[Iaude] MPEC N33: 2021 RY122 [a=2.10,e=0.41,i=4.6,H=21.43]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu Jul 4 10:17:35 EDT 2024
M.P.E.C. 2024-N33 Issued 2024 July 4, 14:16 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 RY122
Revision to MPEC 2021-U250
Additional Observations:
K21RC2Y C2024 06 07.57667221 32 05.852-14 47 20.43 22.98GVEN033F52
K21RC2Y C2024 06 07.59241221 32 08.054-14 47 03.25 22.70GVEN033F52
K21RC2Y C2024 06 07.60028821 32 09.127-14 46 54.83 22.44GVEN033F52
K21RC2Y C2024 06 18.55966721 58 12.790-11 08 32.15 21.95GVEN033F51
K21RC2Y C2024 06 18.57131021 58 14.385-11 08 17.09 22.16GVEN033F51
K21RC2Y C2024 06 18.58297421 58 15.971-11 08 01.69 22.19GVEN033F51
K21RC2Y C2024 06 18.59463921 58 17.568-11 07 46.97 22.23GVEN033F51
K21RC2Y C2024 07 01.52299022 29 00.859-05 59 53.13 22.01wXEN033F52
K21RC2Y C2024 07 01.53487322 29 02.465-05 59 34.67 22.11wXEN033F52
K21RC2Y C2024 07 01.55858722 29 05.680-05 58 57.96 22.10wXEN033F52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240607 F52 21.8- 9.2- 240701 F52 29.9- 13.4- E2024-GH2 +0.00 days
Orbital elements:
2021 RY122 Earth MOID = 0.2497 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 312.51852 (2000.0) P Q
n 0.32333481 Peri. 58.19526 +0.94216109 +0.32574668
a 2.1023309 Node 282.69189 -0.32830423 +0.84960862
e 0.4068546 Incl. 4.63757 -0.06744486 +0.41479429
P 3.05 H 21.43 G 0.15 U 1
Residuals in seconds of arc
210807 F51 0.1+ 0.0 211027 G96 0.0 0.3+ 211106 F52 0.0 0.0
210807 F51 0.2- 0.1- 211027 G96 0.0 0.1+ 211106 F52 0.0 0.0
210808 F51 0.3- 0.3- 211030 F52 0.1+ 0.0 211108 F51 0.0 0.0
210808 F51 0.1- 0.1- 211030 F52 0.1+ 0.0 211108 F51 0.1- 0.0
210808 F51 0.1- 0.0 211030 F52 0.1+ 0.0 211108 F51 0.1- 0.1+
210908 F52 0.0 0.2- 211030 F52 0.1+ 0.0 211108 F51 0.1- 0.0
210908 F52 0.1+ 0.0 211031 H21 0.2- 0.3+ 240607 F52 0.4- 0.1-
210908 F52 0.1+ 0.0 211031 691 0.1- 0.1+ 240607 F52 0.2+ 0.0
210908 F52 0.0 0.0 211031 H21 0.2- 0.2+ 240607 F52 0.0 0.2-
211003 F52 0.1- 0.0 211031 691 0.2- 0.1- 240618 F51 0.1+ 0.0
211003 F52 0.2- 0.1- 211031 691 0.2- 0.1+ 240618 F51 0.1+ 0.0
211003 F52 0.1- 0.0 211105 G96 0.0 0.0 240618 F51 0.0 0.3+
211014 F51 0.0 0.0 211105 G96 0.2+ 0.0 240618 F51 0.0 0.2-
211014 F51 0.1+ 0.0 211105 G96 0.6+ 0.0 240701 F52 0.0 0.1+
211014 F51 0.1- 0.1+ 211105 G96 0.5- 0.4- 240701 F52 0.1- 0.1+
211027 G96 0.4- 0.9+ 211106 F52 0.0 0.0 240701 F52 0.0 0.0
211027 G96 0.3- 0.1- 211106 F52 0.0 0.0
Ephemeris:
2021 RY122 a,e,i = 2.10, 0.41, 5 q = 1.2470
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 06 04 21 23 35.1 -15 50 31 0.7127 1.4676 115.2 38.7 23.1
...
2024 06 19 21 59 15.2 -10 58 51 0.5845 1.4015 119.8 39.0 22.6
...
2024 06 27 22 18 16.6 -07 53 44 0.5261 1.3696 121.9 39.0 22.3
...
2024 07 03 22 32 29.9 -05 21 10 0.4870 1.3475 123.4 39.1 22.1
2024 07 04 22 34 51.6 -04 54 38 0.4808 1.3440 123.6 39.1 22.0
2024 07 05 22 37 13.1 -04 27 49 0.4748 1.3405 123.8 39.0 22.0
...
2024 07 11 22 51 17.8 -01 40 45 0.4410 1.3208 125.2 39.0 21.8
...
2024 07 19 23 09 48.7 +02 16 17 0.4020 1.2976 126.8 38.8 21.6
...
2024 08 03 23 43 00.2 +10 04 25 0.3470 1.2652 129.8 38.0 21.2
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-N33
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