MPEC 2020-B21 : 2020 BR
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M.P.E.C. 2020-B21 Issued 2020 January 19, 14:19 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 BR
Observations:
K20B00R* C2020 01 18.30960 08 42 31.44 +14 25 10.8 18.3 GVEB021703
K20B00R C2020 01 18.31524 08 42 26.40 +14 24 00.8 19.0 GVEB021703
K20B00R C2020 01 18.32088 08 42 21.42 +14 22 50.7 18.8 GVEB021703
K20B00R C2020 01 18.32654 08 42 16.28 +14 21 39.7 18.5 GVEB021703
K20B00R KC2020 01 18.39583 08 41 12.23 +14 07 01.0 oEB021711
K20B00R KC2020 01 18.39824 08 41 10.00 +14 06 29.6 oEB021711
K20B00R KC2020 01 18.40070 08 41 07.75 +14 05 57.9 oEB021711
K20B00R C2020 01 18.40829 08 41 01.33 +14 04 18.1 18.5 GVEB021I52
K20B00R C2020 01 18.40859 08 41 01.05 +14 04 14.1 18.5 GVEB021I52
K20B00R C2020 01 18.40889 08 41 00.78 +14 04 10.3 18.6 GVEB021I52
K20B00R C2020 01 18.40919 08 41 00.48 +14 04 06.3 18.6 GVEB021I52
K20B00R KC2020 01 18.84079708 34 13.76 +12 23 51.1 18.2 GVEB021C95
K20B00R KC2020 01 18.85868308 33 55.25 +12 19 24.2 18.5 GVEB021C95
K20B00R KC2020 01 18.86321 08 33 50.31 +12 18 16.0 18.4 GVEB021587
K20B00R KC2020 01 18.86369 08 33 49.78 +12 18 08.3 18.1 GVEB021587
K20B00R KC2020 01 18.86636 08 33 46.98 +12 17 28.0 17.5 GVEB021587
K20B00R KC2020 01 18.88590 08 33 26.50 +12 12 33.4 18.3 GVEB021587
K20B00R KC2020 01 18.89061 08 33 21.59 +12 11 22.2 VEB021204
K20B00R KC2020 01 18.89517 08 33 16.79 +12 10 13.2 VEB021204
K20B00R KC2020 01 18.89983 08 33 11.84 +12 09 02.6 18.4 GVEB021204
K20B00R KC2020 01 18.91098 08 33 00.16 +12 06 14.2 18.6 VqEB021C77
K20B00R KC2020 01 18.91990 08 32 50.65 +12 03 58.8 18.7 VqEB021C77
K20B00R KC2020 01 18.92355 08 32 46.75 +12 03 01.9 18.5 VqEB021C77
K20B00R KC2020 01 18.95008308 32 18.42 +11 56 01.2 18.7 GVEB021Z99
K20B00R KC2020 01 18.95163 08 32 16.47 +11 55 47.4 18.2 GVEB021K38
K20B00R KC2020 01 18.95397808 32 14.24 +11 55 00.6 18.6 GVEB021Z99
K20B00R KC2020 01 18.95625 08 32 11.45 +11 54 35.8 18.5 GVEB021K38
K20B00R KC2020 01 18.95786808 32 10.07 +11 54 00.7 18.7 GVEB021Z99
K20B00R KC2020 01 18.96762 08 31 59.19 +11 51 38.7 18.3 GVEB021K38
K20B00R KC2020 01 18.97298208 31 53.91 +11 50 07.4 18.2 GVEB021J95
K20B00R KC2020 01 18.97507508 31 51.65 +11 49 34.8 18.4 GVEB021J95
K20B00R KC2020 01 18.97679 08 31 49.17 +11 49 15.9 18.5 GVEB021K38
K20B00R KC2020 01 18.97712308 31 49.43 +11 49 02.4 18.2 GVEB021J95
K20B00R KC2020 01 18.97918608 31 47.19 +11 48 30.2 18.3 GVEB021J95
K20B00R KC2020 01 18.97929 08 31 46.35 +11 48 38.8 18.3 GVEB021104
K20B00R KC2020 01 18.98233 08 31 43.04 +11 47 51.0 18.2 GVEB021104
K20B00R KC2020 01 18.98629 08 31 38.71 +11 46 49.0 18.4 GVEB021104
K20B00R KC2020 01 18.98822 08 31 36.68 +11 46 16.1 18.9 GVEB021K38
K20B00R KC2020 01 19.01997 08 31 01.86 +11 37 54.8 18.1 GVEB021203
K20B00R KC2020 01 19.02819 08 30 52.76 +11 35 43.4 18.1 GVEB021203
K20B00R KC2020 01 19.03643 08 30 43.65 +11 33 32.1 18.0 GVEB021203
K20B00R C2020 01 19.17562 08 28 15.30 +10 55 42.5 18.2 GVEB021I52
K20B00R C2020 01 19.17575 08 28 15.20 +10 55 40.6 18.1 GVEB021I52
K20B00R C2020 01 19.17588 08 28 15.08 +10 55 38.2 18.1 GVEB021I52
K20B00R C2020 01 19.17601 08 28 14.91 +10 55 35.9 18.1 GVEB021I52
K20B00R KC2020 01 19.25347 08 26 42.97 +10 33 32.8 18.3 GVEB021H36
K20B00R KC2020 01 19.25432 08 26 42.85 +10 33 30.3 oEB021711
K20B00R KC2020 01 19.25623 08 26 39.70 +10 32 45.2 18.2 GVEB021H36
K20B00R KC2020 01 19.25664 08 26 40.10 +10 32 50.2 oEB021711
K20B00R KC2020 01 19.25897 08 26 37.35 +10 32 10.2 oEB021711
K20B00R KC2020 01 19.25902 08 26 36.39 +10 31 57.3 18.3 GVEB021H36
K20B00R KC2020 01 19.29144 08 25 57.58 +10 22 31.8 18.2 RqEB021734
K20B00R KC2020 01 19.29388 08 25 54.69 +10 21 50.1 18.3 RqEB021734
K20B00R KC2020 01 19.29631 08 25 51.79 +10 21 07.8 18.3 RqEB021734
K20B00R KC2020 01 19.29874 08 25 48.91 +10 20 24.1 18.0 RqEB021734
K20B00R KC2020 01 19.30117 08 25 45.83 +10 19 41.6 18.4 RqEB021734
K20B00R C2020 01 19.51800008 21 23.50 +09 15 47.0 17.9 GVEB021474
K20B00R C2020 01 19.51998508 21 20.93 +09 15 09.4 17.9 GVEB021474
K20B00R C2020 01 19.52197008 21 18.40 +09 14 31.8 18.3 GVEB021474
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers P.
Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
587 Sormano. Observers M. Calcagno, A. Fumagalli, A. Gulic, P. Sicoli, A.
Testa. Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
703 Catalina Sky Survey. Observer K. W. Wierzchos. 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. 0.68-m Schmidt + 10K
CCD.
711 McDonald Observatory, Fort Davis. Observer J. G. Ries. 2.1-m reflector +
CCD + focal reducer.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin.
Measurer D. Cromer. 0.7-m reflector + 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
Newtonian reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/5.1 reflector +
CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers H. Groeller, D. Rankin.
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien +
CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2020 BR Earth MOID = 0.0471 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 32.35313 (2000.0) P Q
n 0.37801278 Peri. 305.30249 -0.31361148 +0.79774601
a 1.8943711 Node 298.02239 -0.56435886 -0.59278730
e 0.8358633 Incl. 35.69155 -0.76364057 +0.11047404
P 2.61 H 22.9 G 0.15 U 8
Residuals in seconds of arc
200118 703 1.0- 0.5- 200118 C77 0.0 0.0 200119 203 0.2+ 0.2+
200118 703 0.3- 0.2- 200118 C77 0.1- 0.9+ 200119 I52 0.6- 0.0
200118 703 (1.4+ 0.2+) 200118 C77 0.2- 0.1- 200119 I52 0.1+ 0.2+
200118 703 1.1+ 0.1+ 200118 Z99 0.3- 0.1+ 200119 I52 0.5+ 0.0
200118 711 0.3- 0.4+ 200118 K38 0.2+ 0.0 200119 I52 0.2+ 0.1-
200118 711 0.4- 0.1+ 200118 Z99 0.3- 0.2- 200119 H36 0.5- 0.2-
200118 711 0.2- 0.1+ 200118 K38 0.3- 0.1+ 200119 711 0.6- 0.2+
200118 I52 0.3+ 0.0 200118 Z99 0.1- 0.3+ 200119 H36 0.4- 0.2-
200118 I52 0.3+ 0.1- 200118 K38 0.5+ 0.1- 200119 711 0.4- 0.2+
200118 I52 0.4+ 0.0 200118 J95 0.1- 0.0 200119 711 0.0 0.4+
200118 I52 0.0 0.1- 200118 J95 0.0 0.1+ 200119 H36 0.2- 0.1+
200118 C95 0.0 0.0 200118 K38 0.2- 0.4+ 200119 734 0.7- 1.0-
200118 C95 0.0 0.3- 200118 J95 0.1+ 0.3- 200119 734 0.0 0.1+
200118 587 (0.7+ 1.0+) 200118 J95 0.0 0.2- 200119 734 0.4+ 0.4+
200118 587 0.2+ 0.5+ 200118 104 0.2+ 0.1- 200119 734 (1.1+ 0.6-)
200118 587 0.0 0.3+ 200118 104 0.3+ 0.2- 200119 734 (1.0- 0.4-)
200118 587 0.1- 0.0 200118 104 0.2+ 0.1- 200119 474 0.3+ 0.1-
200118 204 0.3+ 0.1+ 200118 K38 0.6- 0.2- 200119 474 0.1+ 0.0
200118 204 0.4+ 0.2+ 200119 203 0.3+ 0.2+ 200119 474 0.6+ 0.1+
200118 204 0.1+ 0.3+ 200119 203 0.0 0.2-
Ephemeris:
2020 BR a,e,i = 1.89, 0.84, 36 q = 0.3109
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 20 09 47 30.4 +30 26 44 0.6884 1.5023 127.0 31.5 24.3
...
2020 01 04 09 45 15.7 +28 16 58 0.3785 1.3011 141.5 28.0 22.6
...
2020 01 12 09 29 22.2 +24 48 03 0.2221 1.1850 152.6 22.4 21.1
...
2020 01 18 08 46 49.4 +15 27 00 0.1123 1.0934 166.9 11.8 19.1
2020 01 19 08 31 24.6 +11 44 15 0.09568 1.0778 168.5 10.5 18.6
2020 01 20 08 10 26.3 +06 27 43 0.08025 1.0620 166.1 12.9 18.3
...
2020 01 26 02 05 48.2 -46 01 40 0.07391 0.9646 72.3 103.5 21.0
...
2020 02 03 23 18 59.7 -39 53 02 0.2113 0.8275 37.4 133.7 25.2
...
2020 02 18 22 30 56.2 -33 38 58 0.5149 0.5496 22.6 136.3 26.5
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-B21
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