MPEC 2021-R69 : 2021 RJ
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M.P.E.C. 2021-R69 Issued 2021 September 4, 23:27 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 RJ
Observations:
K21R00J C2021 08 31.26595420 53 34.990-11 49 40.77 20.30GVER069F51
K21R00J C2021 08 31.27764620 53 40.750-11 48 19.34 20.08GVER069F51
K21R00J C2021 08 31.28935020 53 46.499-11 46 57.67 20.21GVER069F51
K21R00J C2021 08 31.30108920 53 52.247-11 45 35.66 20.20GVER069F51
K21R00J* C2021 09 03.30097621 18 09.921-06 16 25.85 21.33wUER069F51
K21R00J C2021 09 03.31398321 18 15.291-06 15 06.66 20.42wUER069F51
K21R00J C2021 09 03.32698321 18 20.634-06 13 47.34 21.32wUER069F51
K21R00J C2021 09 03.36078121 18 34.469-06 10 21.13 20.26wUER069F51
K21R00J hC2021 09 03.91173721 22 34.76 -05 15 56.7 20.6 GVER069L01
K21R00J hC2021 09 03.91519321 22 36.22 -05 15 35.8 20.8 GVER069L01
K21R00J hC2021 09 03.93228521 22 43.07 -05 13 54.8 20.5 GVER069L01
K21R00J hC2021 09 03.93596421 22 44.53 -05 13 33.6 20.8 GVER069L01
K21R00J C2021 09 04.20020 21 24 40.40 -04 47 37.8 20.1 GVER069654
K21R00J C2021 09 04.20822 21 24 43.55 -04 46 51.6 20.1 GVER069654
K21R00J C2021 09 04.26272 21 25 04.86 -04 41 36.9 20.0 GVER069654
K21R00J C2021 09 04.27073 21 25 08.00 -04 40 50.7 20.0 GVER069654
K21R00J C2021 09 04.41057521 26 05.573-04 27 08.06 21.07wUER069F51
K21R00J C2021 09 04.42645821 26 11.665-04 25 37.29 21.08wUER069F51
K21R00J C2021 09 04.44232521 26 17.747-04 24 06.57 21.33wUER069F51
K21R00J KC2021 09 04.86037821 29 13.90 -03 45 22.6 20.1 GXER069595
K21R00J 1C2021 09 04.87879 21 29 20.98 -03 43 45.3 20.6 VVER069033
K21R00J 1C2021 09 04.88000 21 29 21.44 -03 43 38.4 20.5 VVER069033
K21R00J 1C2021 09 04.88121 21 29 21.90 -03 43 31.7 20.4 VVER069033
K21R00J 1C2021 09 04.88246 21 29 22.39 -03 43 24.6 20.5 VVER069033
K21R00J KC2021 09 04.91080321 29 33.06 -03 40 42.3 XER069595
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.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.5 reflector + CCD.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers P. Choi, N. Saini,
C. Zhai, R. Trahan, M. Shao.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, K. Chambers, T. de Boer, J. Fairlamb, H. Gao, C.-C.
Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic, V. Dobos.
Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2021 RJ Earth MOID = 0.0550 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 347.58508 (2000.0) P Q
n 0.32625478 Peri. 343.28675 +0.70906155 +0.70345444
a 2.0897683 Node 331.81278 -0.63456079 +0.60635882
e 0.4914972 Incl. 5.93259 -0.30751313 +0.37078408
P 3.02 H 24.66 G 0.15 U 8
Residuals in seconds of arc
210831 F51 0.0 0.1+ 210903 L01 0.8+ 0.1- 210904 F51 0.2- 0.1-
210831 F51 0.1- 0.0 210903 L01 0.3+ 0.2+ 210904 595 0.1+ 0.0
210831 F51 0.0 0.0 210903 L01 0.1- 0.3- 210904 033 0.1+ 0.0
210831 F51 0.1+ 0.0 210904 654 0.1- 0.1- 210904 033 0.0 0.2+
210903 F51 0.2- 0.1+ 210904 654 0.1- 0.2- 210904 033 0.1- 0.1+
210903 F51 0.2+ 0.2+ 210904 654 0.3- 0.2- 210904 033 0.1+ 0.3+
210903 F51 0.5+ 0.6+ 210904 654 0.0 0.2- 210904 595 0.5- 0.3+
210903 F51 1.3+ 1.4+ 210904 F51 0.0 0.3+
210903 L01 0.3- 0.7- 210904 F51 0.1+ 0.1+
Ephemeris:
2021 RJ a,e,i = 2.09, 0.49, 6 q = 1.0627
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 05 16 08 29.0 -45 02 37 0.1138 1.0658 114.0 60.4 22.2
...
2021 08 20 18 47 20.6 -34 10 39 0.07945 1.0667 132.0 44.8 21.0
...
2021 08 28 20 22 13.3 -18 30 32 0.07931 1.0788 148.8 29.0 20.6
...
2021 09 03 21 15 51.6 -06 46 39 0.09064 1.0929 157.2 21.0 20.7
2021 09 04 21 23 12.7 -05 06 10 0.09336 1.0957 158.0 20.2 20.7
2021 09 05 21 30 09.2 -03 31 25 0.09629 1.0985 158.6 19.6 20.8
...
2021 09 11 22 04 23.3 +04 01 20 0.1175 1.1179 160.0 18.0 21.2
...
2021 09 19 22 35 41.4 +10 01 12 0.1534 1.1493 159.1 18.1 21.8
...
2021 10 04 23 11 23.5 +14 36 54 0.2383 1.2220 156.0 19.5 23.0
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-R69
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