Bolin, B. T.

Masci, F. J.

Ye, Q.-Z.

English

Caltech Authors - Main

MPEC 2020-A99 : 2020 AV2
https://minorplanetcenter.net/mpec/K20/K20A99.html[1/15/2020 11:01:27 AM]
Processing (Info)
MPEC 2020-A99 : 2020 AV2
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
A form allowing access to any MPEC is at the bottom of this page.
 Read MPEC 2020-A98  Read MPEC 2020-A100
M.P.E.C. 2020-A99                               Issued 2020 January 8, 20:24 UT
     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.
             Prepared using the Tamkin Foundation Computer Network
                              MPC@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714
                                2020 AV2                                 
Observations:
     K20A02V* C2020 01 04.07706921 24 49.90 -06 08 41.8          17.96rUEA099I41
     K20A02V  C2020 01 04.08206021 24 50.67 -06 08 31.5          17.95rUEA099I41
     K20A02V  C2020 01 04.08706021 24 51.46 -06 08 21.0          18.13rUEA099I41
     K20A02V  C2020 01 04.09204121 24 52.22 -06 08 10.7          18.01rUEA099I41
     K20A02V KC2020 01 04.70706 21 26 27.96 -05 47 01.6          18.1 GVEA099595
     K20A02V KC2020 01 04.71111 21 26 28.61 -05 46 52.4          18.1 GVEA099595
     K20A02V KC2020 01 04.71515 21 26 29.20 -05 46 45.3          18.3 GVEA099595
     K20A02V KC2020 01 04.71919 21 26 29.78 -05 46 36.2          17.9 GVEA099595
     K20A02V KC2020 01 04.72324 21 26 30.42 -05 46 28.0          17.9 GVEA099595
     K20A02V KC2020 01 04.72728 21 26 31.03 -05 46 19.4          17.6 GVEA099595
     K20A02V KC2020 01 05.68737 21 28 55.98 -05 13 34.3          17.1 RoEA099K88
     K20A02V KC2020 01 05.69290 21 28 56.81 -05 13 22.7          17.1 RoEA099K88
     K20A02V KC2020 01 05.69567 21 28 57.21 -05 13 18.0          17.2 RoEA099K88
     K20A02V KC2020 01 05.71766 21 29 00.45 -05 12 33.0          18.1 GVEA099K38
     K20A02V KC2020 01 05.72785 21 29 01.90 -05 12 12.5          18.3 GVEA099104
     K20A02V KC2020 01 05.73082 21 29 02.34 -05 12 06.6          17.6 GVEA099104
     K20A02V KC2020 01 05.73273 21 29 02.73 -05 12 02.4          18.0 GVEA099K38
     K20A02V KC2020 01 05.73678 21 29 03.23 -05 11 54.5          18.0 GVEA099104
     K20A02V KC2020 01 05.74274 21 29 04.10 -05 11 42.4          17.9 GVEA099104
     K20A02V KC2020 01 05.74712 21 29 04.78 -05 11 33.3          18.1 GVEA099K38
     K20A02V KC2020 01 05.74871 21 29 05.00 -05 11 30.1          18.2 GVEA099104
     K20A02V KC2020 01 05.75070 21 29 05.29 -05 11 26.2          18.1 GVEA099104
     K20A02V KC2020 01 05.76029 21 29 06.69 -05 11 06.0                VEA099587
     K20A02V KC2020 01 05.76187 21 29 06.90 -05 11 03.1          17.7 GVEA099587
     K20A02V KC2020 01 05.76280 21 29 07.03 -05 11 01.0                VEA099587
     K20A02V .C2020 01 05.81762 21 29 15.07 -05 09 07.7          15.0 GVEA099950
     K20A02V .C2020 01 05.81826 21 29 15.16 -05 09 06.5          15.2 GVEA099950
     K20A02V .C2020 01 05.81892 21 29 15.26 -05 09 05.1          15.2 GVEA099950
     K20A02V .C2020 01 05.81957 21 29 15.36 -05 09 03.7          15.3 GVEA099950
     K20A02V .C2020 01 05.82023 21 29 15.45 -05 09 02.6          15.1 GVEA099950
     K20A02V .C2020 01 05.82089 21 29 15.56 -05 09 01.3          14.9 GVEA099950
     K20A02V KC2020 01 06.03203 21 29 46.61 -05 01 55.0          18.2 GVEA099734
HOME ABOUT CONTACT
OBSERVERS DATA IAWN BETA STATUS
MPEC 2020-A99 : 2020 AV2
https://minorplanetcenter.net/mpec/K20/K20A99.html[1/15/2020 11:01:27 AM]
     K20A02V KC2020 01 06.03601 21 29 47.19 -05 01 47.2          18.0 GVEA099734
     K20A02V KC2020 01 06.03899 21 29 47.64 -05 01 41.0          18.3 GVEA099734
     K20A02V  C2020 01 06.06751 21 29 51.77 -05 00 42.3          17.6 GVEA099I52
     K20A02V  C2020 01 06.06951 21 29 52.05 -05 00 38.2          17.7 GVEA099I52
     K20A02V  C2020 01 06.07150 21 29 52.34 -05 00 34.2          17.8 GVEA099I52
     K20A02V  C2020 01 06.07351 21 29 52.63 -05 00 30.1          17.8 GVEA099I52
     K20A02V 2C2020 01 06.64405721 31 15.008-04 41 22.86         17.9 GVEA099119
     K20A02V 2C2020 01 06.65329321 31 16.302-04 41 04.39         18.3 GVEA099119
     K20A02V 2C2020 01 06.66381221 31 17.803-04 40 43.40         18.0 GVEA099119
     K20A02V KC2020 01 06.68999 21 31 21.63 -04 39 51.3          17.6 RoEA099K88
     K20A02V KC2020 01 06.69203 21 31 21.92 -04 39 48.1          17.2 RVEA099K61
     K20A02V KC2020 01 06.69276 21 31 22.00 -04 39 45.8          17.7 RoEA099K88
     K20A02V KC2020 01 06.69282 21 31 22.01 -04 39 46.1          17.2 RVEA099K61
     K20A02V KC2020 01 06.69378 21 31 22.15 -04 39 44.2          17.3 RVEA099K61
     K20A02V KC2020 01 06.69457 21 31 22.25 -04 39 42.7          17.1 RVEA099K61
     K20A02V KC2020 01 06.69552 21 31 22.40 -04 39 40.3                oEA099K88
     K20A02V KC2020 01 06.71974 21 31 25.84 -04 38 52.0                VEA099204
     K20A02V KC2020 01 06.72104 21 31 26.01 -04 38 49.0          17.0 GVEA099104
     K20A02V KC2020 01 06.72351521 31 26.33 -04 38 44.3          17.2 VqEA099C95
     K20A02V KC2020 01 06.72664 21 31 26.81 -04 38 38.2                VEA099204
     K20A02V KC2020 01 06.72701 21 31 26.88 -04 38 37.9          16.9 RqEA099215
     K20A02V KC2020 01 06.72702 21 31 26.83 -04 38 37.2          17.0 GVEA099104
     K20A02V KC2020 01 06.72736921 31 26.88 -04 38 36.7          17.0 VqEA099C95
     K20A02V KC2020 01 06.72894 21 31 27.15 -04 38 34.0          16.9 RqEA099215
     K20A02V KC2020 01 06.73086 21 31 27.41 -04 38 29.8          16.9 RqEA099215
     K20A02V KC2020 01 06.73116921 31 27.41 -04 38 29.3          17.4 VqEA099C95
     K20A02V KC2020 01 06.73300 21 31 27.66 -04 38 25.3          17.0 GVEA099104
     K20A02V KC2020 01 06.73319 21 31 27.72 -04 38 25.1          17.1 GVEA099204
     K20A02V KC2020 01 06.73500421 31 27.99 -04 38 21.6          17.5 VqEA099C95
     K20A02V KC2020 01 06.73940 21 31 28.59 -04 38 12.9                VEA099204
     K20A02V KC2020 01 06.74548 21 31 29.44 -04 38 00.3                VEA099204
     K20A02V |C2020 01 07.06032 21 32 13.74 -04 27 30.2                VEA099H06
     K20A02V  C2020 01 07.06132 21 32 13.90 -04 27 29.0                VEA099I52
     K20A02V  C2020 01 07.06257 21 32 14.09 -04 27 26.1          18.6 GVEA099I52
     K20A02V |C2020 01 07.06396 21 32 14.25 -04 27 23.2          17.8 GVEA099H06
     K20A02V  C2020 01 07.06584 21 32 14.50 -04 27 19.0          18.1 GVEA099I52
     K20A02V KC2020 01 07.52871 21 33 18.76 -04 12 02.9          18.1 RUEA099C42
     K20A02V KC2020 01 07.53471 21 33 19.48 -04 11 53.0          18.4 RUEA099C42
     K20A02V KC2020 01 07.54080 21 33 20.47 -04 11 38.4          18.3 RUEA099C42
     K20A02V KC2020 01 07.55290 21 33 22.04 -04 11 16.1          17.9 RUEA099C42
     K20A02V KC2020 01 07.68766 21 33 40.58 -04 06 50.5          17.8 RoEA099K88
     K20A02V KC2020 01 07.69043 21 33 40.98 -04 06 45.0          17.8 RoEA099K88
     K20A02V KC2020 01 07.69319 21 33 41.32 -04 06 39.8          18.1 RoEA099K88
     K20A02V KC2020 01 07.69596 21 33 41.73 -04 06 35.1          18.1 RoEA099K88
     K20A02V KC2020 01 07.69873 21 33 42.04 -04 06 29.0          18.1 RoEA099K88
     K20A02V KC2020 01 07.71157 21 33 43.83 -04 06 03.7          17.8 RVEA099160
     K20A02V KC2020 01 07.71657 21 33 44.46 -04 05 54.3          18.3 RVEA099160
     K20A02V KC2020 01 07.72134 21 33 45.13 -04 05 43.7                VEA099160
     K20A02V KC2020 01 07.74272 21 33 48.05 -04 05 02.1          18.1 VqEA099C77
     K20A02V KC2020 01 07.75249 21 33 49.28 -04 04 42.8          17.8 VqEA099C77
     K20A02V qC2020 01 08.05245 21 34 29.72 -03 54 52.7          17.9 G EA099H06
     K20A02V qC2020 01 08.06788 21 34 31.79 -03 54 22.5          17.8 G EA099H06
     K20A02V @C2020 01 08.09692 21 34 35.55 -03 53 27.7          16.3 rVEA099675
     K20A02V @C2020 01 08.09844 21 34 35.71 -03 53 24.2          16.2 rVEA099675
     K20A02V @C2020 01 08.09997 21 34 35.96 -03 53 19.5          16.2 rVEA099675
     K20A02V KC2020 01 08.70618 21 35 56.01 -03 33 44.9          17.5 RUEA099470
     K20A02V KC2020 01 08.70697 21 35 56.12 -03 33 44.0          17.0 RUEA099470
     K20A02V KC2020 01 08.70737 21 35 56.22 -03 33 42.5          17.2 RUEA099470
     K20A02V KC2020 01 08.71137 21 35 56.76 -03 33 35.1          17.5 RUEA099470
     K20A02V KC2020 01 08.71296 21 35 56.97 -03 33 31.9          16.8 RUEA099470
     K20A02V KC2020 01 08.71320 21 35 57.04 -03 33 32.1          17.2 RVEA099160
     K20A02V KC2020 01 08.71741 21 35 57.60 -03 33 24.1                VEA099160
     K20A02V KC2020 01 08.72164 21 35 58.10 -03 33 16.5                VEA099160
     K20A02V KC2020 01 08.72583 21 35 58.69 -03 33 07.7          17.9 GVEA099204
     K20A02V KC2020 01 08.73158 21 35 59.41 -03 32 56.6                VEA099204
     K20A02V KC2020 01 08.73733 21 36 00.17 -03 32 45.6                VEA099204
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, M. Facchini, 
   M. D. Grazia.  Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + 
   CCD.
119 Abastuman.  Observers R. Inasaridze, V. Ayvazian, G. Kapanadze.  Measurers 
   M. Micheli, Y. Krugly.  0.7-m f/3 reflector + CCD.
160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi.  Measurer E. 
   Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector + CCD.
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
470 Ceccano.  Observer G. Masi.  0.43-m f/6.8 astrograph + CCD.
587 Sormano.  Observers A. Testa, G. Ventre.  Measurer A. Testa.  0.5-m f/6.8 
   reflector + CCD.
595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/5.15 reflector + CCD.
675 Palomar Mountain.  Observers R. S. Walters, R. Riddle, D. Neill.  Measurer 
   B. T. Bolin.
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin.  
    Measurer D. Cromer.  0.69-m reflector + CCD.
950 La Palma.  Observers C. Cifuentes, J. Caballero, C. Benn, B. Gonzalez.  
    Measurers O. Vaduvescu, C. de la Fuente Marcos.  4.2-m f/11 reflector.
C42 Xingming Observatory, Mt. Nanshan.  Observers H.-J. Tan, X. Gao.  Measurer 
   H.-J. Tan.  0.6-m f/8 Ritchey-Chretien + CCD.
C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4.0 reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m f/3.2 
MPEC 2020-A99 : 2020 AV2
https://minorplanetcenter.net/mpec/K20/K20A99.html[1/15/2020 11:01:27 AM]
   Newtonian reflector + CCD.
H06 iTelescope Observatory, Mayhill.  Observers H. Sato, F. D. Romanov.  0.43-m 
   f/6.8 astrograph + CCD + f/4.5 focal reducer, 0.43-m f/6.8 reflector + CCD + 
   f/4.5 focal reducer.
I41 Palomar Mountain--ZTF.  Observer Z. T. F. Collaboration.  Measurers B. T. 
   Bolin, F. J. Masci, Q.-Z. Ye.  1.2-m f/2.4 Schmidt.
I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.  
    Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. 
   Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. 
   Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m 
   reflector + CCD.
K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.3-m f/5.5 Ritchey-Chretien + 
   CCD.
K61 Rokycany Observatory.  Observer M. Adamovsky.  0.51-m f/6.8 reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
Orbital elements:
2020 AV2                                                 Earth MOID = 0.3460 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 222.78472              (2000.0)            P               Q
n   2.38316868     Peri.  187.33510     -0.97071094     +0.23811432
a   0.5550936      Node     6.70148     -0.20416609     -0.74744818
e   0.1779624      Incl.   15.89812     -0.12663525     -0.62017965
P   0.41           H   16.5           G   0.15           U   9
Residuals in seconds of arc
200104 I41  0.2+  0.2+    200106 734  0.4+  0.3-    200107 H06  0.1+  0.1-
200104 I41  0.1+  0.2+    200106 I52  0.1+  0.2-    200107 I52  0.5-  0.3+
200104 I41  0.3+  0.3+    200106 I52  0.0   0.2-    200107 C42  0.1+  0.7+
200104 I41  0.1+  0.2+    200106 I52  0.1+  0.2-    200107 C42  1.3-  1.3-
200104 595  0.2-  0.4-    200106 I52  0.1+  0.2-    200107 C42  1.2+  1.3+
200104 595  0.3+  0.4+    200106 119  0.3+  0.1+    200107 C42  0.1+  0.3-
200104 595  0.0   0.8-    200106 119  0.2+  0.0     200107 K88  0.1+  0.5+
200104 595  0.5-  0.0     200106 119  0.5+  0.1-    200107 K88  0.5+  0.5+
200104 595  0.2-  0.2-    200106 K88  0.3+  0.5+    200107 K88  0.1+  0.3+
200104 595  0.2-  0.1+    200106 K61  0.4-  0.1-    200107 K88  0.6+  0.5-
200105 K88  0.3-  0.8+    200106 K88  0.0   0.5+    200107 K88  0.3-  0.2+
200105 K88  0.0   1.1+    200106 K61  0.7-  0.3+    200107 160  0.4+  0.3-
200105 K88  0.0   0.2+    200106 K61  0.6-  0.3+    200107 160  0.2-  0.8-
200105 K38  0.3-  0.3+    200106 K61  0.8-  0.2+    200107 160  0.3+  0.4+
200105 104  0.5-  0.2-    200106 K88  0.2+  0.4+    200107 C77  0.8+  0.0
200105 104  0.4-  0.4-    200106 204  0.2+  0.0     200107 C77  0.4-  0.1+
200105 K38  0.9+  0.2+    200106 104  0.4+  0.2+    200108 H06  0.1-  0.5+
200105 104  0.1-  0.4-    200106 C95  0.5-  0.1-    200108 H06  0.4+  0.5+
200105 104  0.1-  0.4-    200106 204  0.2+  0.0     200108 675 (1.6-  1.3-)
200105 K38  0.1+  0.0     200106 215  0.4+  0.2-    200108 675 (2.2-  0.8-)
200105 104  0.3+  0.3-    200106 104  0.1+  0.0     200108 675  1.5-  0.9+
200105 104  0.3+  0.4-    200106 C95  0.3-  0.2-    200108 470  1.2-  0.2+
200105 587  0.1-  0.5+    200106 215  0.4+  0.2-    200108 470  1.1-  0.5-
200105 587  0.4-  0.2+    200106 215  0.3+  0.2+    200108 470  0.4-  0.3+
200105 587  0.5-  0.4+    200106 C95  0.3-  0.4-    200108 470  0.1+  0.1-
200105 950  0.0   0.1-    200106 104  0.0   0.1-    200108 470  0.2+  0.1+
200105 950  0.0   0.2-    200106 204  0.1+  0.0     200108 160  0.3+  0.3-
200105 950  0.0   0.1-    200106 C95  0.3+  0.4-    200108 160  0.6+  0.4-
200105 950  0.1+  0.0     200106 204  0.1+  0.3-    200108 160  0.0   1.0-
200105 950  0.0   0.3-    200106 204  0.1+  0.1+    200108 204  0.4+  0.0
200105 950  0.2+  0.3-    200107 H06  0.0   0.1+    200108 204  0.2+  0.0
200106 734  0.0   0.2-    200107 I52  0.1-  0.7-    200108 204  0.6+  0.1-
200106 734  0.1+  0.5-    200107 I52  0.1+  0.3-
Ephemeris:
2020 AV2                 a,e,i = 0.56, 0.18, 16                  q = 0.4563
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 12 09    19 47 54.0 -21 19 46   0.9854  0.6523    38.7    70.6    18.0
...
2019 12 24    20 50 28.1 -12 45 28   0.8833  0.6477    40.2    78.3    18.0
...
2020 01 01    21 16 20.5 -07 56 41   0.8227  0.6342    39.9    83.8    18.0
...
2020 01 07    21 32 05.7 -04 29 26   0.7733  0.6193    39.0    89.1    18.0
2020 01 08    21 34 23.1 -03 56 31   0.7647  0.6164    38.8    90.1    18.1
2020 01 09    21 36 34.3 -03 24 14   0.7560  0.6135    38.6    91.2    18.1
...
2020 01 15    21 47 19.4 -00 27 43   0.7022  0.5938    36.7    98.4    18.1
...
2020 01 23    21 54 00.0 +02 14 26   0.6282  0.5634    32.2   111.3    18.5
...
2020 02 07    21 35 17.4 -00 33 16   0.5233  0.5020    15.6   148.2    21.7
A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-A99
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MPEC 2020-A99: 2020 AV2

https://authors.library.caltech.edu/100735/1/MPEC%202020-A99%20_%202020%20AV2.pdf

MPEC 2020-A99: 2020 AV2

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