MPEC 2021-R96 : 2021 RA1
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M.P.E.C. 2021-R96 Issued 2021 September 6, 00:16 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
2021 RA1
Observations:
K21R01A* C2021 09 05.05172 00 23 40.53 +12 36 18.3 20.2 RoER096K88
K21R01A C2021 09 05.05370 00 23 40.47 +12 36 48.7 20.2 RoER096K88
K21R01A C2021 09 05.05568 00 23 40.46 +12 37 17.7 20.0 RoER096K88
K21R01A KC2021 09 05.07788 00 23 39.99 +12 42 46.3 20.0 RoER096K88
K21R01A KC2021 09 05.08528 00 23 39.89 +12 44 34.1 19.7 RoER096K88
K21R01A KC2021 09 05.08853 00 23 39.88 +12 45 21.4 19.9 RoER096K88
K21R01A KC2021 09 05.09232 00 23 39.81 +12 46 17.3 19.7 RoER096K88
K21R01A KC2021 09 05.09747 00 23 39.72 +12 47 33.0 19.8 RoER096K88
K21R01A KC2021 09 05.10180 00 23 39.68 +12 48 37.1 oER096K88
K21R01A KC2021 09 05.10339700 23 40.24 +12 49 08.2 19.9 GVER096L01
K21R01A KC2021 09 05.10390700 23 40.26 +12 49 15.8 20.0 GVER096L01
K21R01A hC2021 09 05.10546100 23 40.19 +12 49 38.4 19.8 GVER096L01
K21R01A KC2021 09 05.10598100 23 40.18 +12 49 45.9 19.6 GVER096L01
K21R01A hC2021 09 05.10689000 23 40.16 +12 49 59.9 20.1 GVER096L01
K21R01A KC2021 09 05.13932 00 23 55.02 +12 58 15.9 20.0 GXER096W34
K21R01A KC2021 09 05.14689 00 23 54.93 +13 00 07.8 19.5 GXER096W34
K21R01A KC2021 09 05.15475 00 23 54.83 +13 02 04.5 19.5 GXER096W34
K21R01A KC2021 09 05.82818 00 24 14.15 +15 33 56.9 19.8 RoER096K88
K21R01A KC2021 09 05.83358 00 24 14.17 +15 35 05.7 19.7 RoER096K88
K21R01A KC2021 09 05.83898 00 24 14.23 +15 36 16.2 19.9 RoER096K88
K21R01A 1C2021 09 05.85558 00 24 14.33 +15 39 36.9 20.0 VVER096033
K21R01A 1C2021 09 05.85622 00 24 14.33 +15 39 45.1 20.1 VVER096033
K21R01A 1C2021 09 05.85686 00 24 14.33 +15 39 52.9 20.0 VVER096033
K21R01A KC2021 09 05.86883600 24 15.36 +15 42 42.1 VER096104
K21R01A KC2021 09 05.87636700 24 15.30 +15 44 18.1 20.5 GVER096104
K21R01A KC2021 09 05.88515500 24 15.24 +15 46 10.6 19.7 GVER096104
K21R01A 1C2021 09 05.89104300 24 14.26 +15 47 13.4 VER096246
K21R01A 1C2021 09 05.89142800 24 14.23 +15 47 18.5 VER096246
K21R01A KC2021 09 05.89146100 24 15.17 +15 47 05.5 19.7 GVER096J95
K21R01A 1C2021 09 05.89188600 24 14.26 +15 47 24.5 VER096246
K21R01A 1C2021 09 05.89443200 24 14.28 +15 47 57.8 19.5 GVER096246
K21R01A 1C2021 09 05.89463600 24 14.20 +15 47 59.4 VER096246
K21R01A hC2021 09 05.91493800 24 15.13 +15 52 03.6 20.3 GVER096J95
K21R01A KC2021 09 05.93682 00 24 14.52 +15 57 00.5 18.9 GVER096G15
K21R01A KC2021 09 05.94076 00 24 14.39 +15 57 49.2 19.5 GVER096G15
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m
f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova.
Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
G15 Magroforte Observatory, Alessandria. Observer A. De Pieri. 0.25-m f/6.7
Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.36-m
f/1.9 Schmidt-Cassegrain + CCD.
Orbital elements:
2021 RA1 Earth MOID = 0.0250 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 347.28324 (2000.0) P Q
n 0.31427243 Peri. 336.96586 +0.74887300 +0.66039821
a 2.1425544 Node 341.36387 -0.57788243 +0.60984831
e 0.5274583 Incl. 9.97412 -0.32440889 +0.43813154
P 3.14 H 25.46 G 0.15 U 8
Residuals in seconds of arc
210905 K88 0.1- 0.9- 210905 L01 0.1- 0.8- 210905 104 0.1+ 0.0
210905 K88 0.3- 0.1+ 210905 L01 0.2- 0.1- 210905 104 0.3+ 0.6+
210905 K88 0.1+ 0.3- 210905 W34 0.1+ 0.1+ 210905 246 0.5+ 0.7-
210905 K88 0.4- 0.4+ 210905 W34 0.1- 0.0 210905 246 0.1+ 0.4-
210905 K88 0.0 0.6- 210905 W34 (0.1+ 0.7+) 210905 J95 0.2- 0.6-
210905 K88 0.6+ 1.1- 210905 K88 0.2- 0.1- 210905 246 0.6+ 0.3-
210905 K88 0.5+ 0.8- 210905 K88 0.0 0.7- 210905 246 1.3+ 0.8+
210905 K88 0.3+ 0.6- 210905 K88 (0.9+ 0.5+) 210905 246 0.2+ 0.2-
210905 K88 0.5+ 0.2+ 210905 033 0.1+ 0.3+ 210905 J95 0.4- 0.5+
210905 L01 0.1+ 0.8- 210905 033 0.1+ 0.3+ 210905 G15 0.1+ 1.1+
210905 L01 0.5+ 0.6- 210905 033 0.1+ 0.1- 210905 G15 0.5- 0.5+
210905 L01 0.1- 0.7- 210905 104 0.2+ 0.0
Ephemeris:
2021 RA1 a,e,i = 2.14, 0.53, 10 q = 1.0124
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 07 12 43 40.1 -59 30 46 0.1238 1.0167 87.6 85.4 24.0
...
2021 08 22 13 25 09.1 -79 09 56 0.04891 1.0168 94.9 82.4 21.8
...
2021 08 30 00 14 10.4 -36 39 36 0.02556 1.0306 144.2 35.0 19.0
...
2021 09 05 00 23 41.4 +12 25 09 0.04386 1.0468 150.7 28.2 20.0
2021 09 06 00 24 11.0 +16 11 20 0.04853 1.0499 148.9 29.7 20.3
2021 09 07 00 24 32.6 +19 16 14 0.05340 1.0532 147.5 31.0 20.5
...
2021 09 13 00 25 03.3 +29 38 48 0.08482 1.0755 143.4 33.9 21.7
...
2021 09 21 00 23 53.3 +34 35 45 0.1297 1.1114 143.8 32.2 22.6
...
2021 10 06 00 21 19.6 +36 03 28 0.2213 1.1940 148.4 26.0 23.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-R96
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