[Iaude] MPEC J240: 1999 RP28 [a=1.48,e=0.24,i=9.2,H=22.50]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu May 9 21:02:42 EDT 2024
M.P.E.C. 2024-J240 Issued 2024 May 10, 01:01 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
1999 RP28
Revision to MPEC 1999-R24
Additional Observations:
J99R28P C2024 05 07.46585114 24 38.308+09 05 55.13 22.40wXEJ240F51
J99R28P C2024 05 07.47726514 24 37.344+09 06 09.25 22.53wXEJ240F51
J99R28P C2024 05 07.48873014 24 36.363+09 06 23.67 22.48wXEJ240F51
J99R28P KC2024 05 08.19808714 23 42.497+09 20 52.91 22.15GVEJ240V06
J99R28P KC2024 05 08.20286014 23 42.101+09 20 58.74 22.40GVEJ240V06
J99R28P KC2024 05 08.20763314 23 41.716+09 21 04.54 22.07GVEJ240V06
J99R28P KC2024 05 08.21240614 23 41.309+09 21 10.30 22.10GVEJ240V06
J99R28P 3C2024 05 09.40926014 22 08.485+09 45 09.15 22.37GVEJ240T14
J99R28P 3C2024 05 09.41047214 22 08.385+09 45 10.61 22.41GVEJ240T14
J99R28P 3C2024 05 09.41168214 22 08.277+09 45 12.17 22.01GVEJ240T14
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.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers R. Wainscoat, H.
Januszewski, T. Burdullis. Measurers R. Weryk, R. Wainscoat. 3.6-m f/4.1
reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. Measurers T. Beuden,
V. F. Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m
reflector + 1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
240507 F51 20+ 1+ 240509 T14 20+ 1+ MPO 53600 +14.4 days
Orbital elements:
1999 RP28 Earth MOID = 0.1324 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 270.55420 (2000.0) P Q
n 0.55004079 Peri. 144.92614 +0.75616115 +0.65418005
a 1.4752743 Node 174.13425 -0.63106807 +0.73561664
e 0.2400387 Incl. 9.23126 -0.17312831 +0.17583125
P 1.79 H 22.50 G 0.15 U 2
Residuals in seconds of arc
990907 703 0.3- 0.2+ 990909 046 1.1- 1.1- 990915 848 0.4- 0.9+
990907 703 0.9+ 0.7+ 990910 557 0.5+ 0.9+ 990916 848 0.5- 0.5+
990907 703 0.8- 0.5+ 990910 557 0.4+ 0.1+ 990916 848 0.1- 0.6+
990907 703 0.6+ 0.7+ 990910 557 0.7+ 0.5+ 991005 413 0.2- 0.5-
990908 557 0.3+ 0.5+ 990910 557 0.2+ 0.5+ 991005 413 0.2- 0.2-
990908 557 0.9+ 0.2+ 990913 848 0.3- 1.0+ 991006 413 0.2- 0.4-
990908 557 1.2+ 0.4+ 990913 848 1.3- 1.1+ 991006 413 1.1- 0.6-
990908 557 1.4+ 0.8+ 990913 848 1.1- 1.0+ 240507 F51 0.1+ 0.1-
990908 557 0.0 0.8+ 990913 046 1.2+ 0.7- 240507 F51 0.1+ 0.1-
990908 557 0.4+ 0.3+ 990913 046 0.2+ 0.2- 240507 F51 0.0 0.2+
990908 557 0.5+ 0.9+ 990914 658 0.2+ 0.2+ 240508 V06 0.3- 0.1+
990908 046 0.2+ 0.4+ 990914 658 0.9+ 2.3+ 240508 V06 0.3- 0.1+
990908 046 0.2- 0.0 990914 658 0.5+ 0.6+ 240508 V06 0.1- 0.0
990908 046 0.3+ 0.0 990915 658 0.1- 0.4+ 240508 V06 0.2- 0.1-
990908 046 1.0- 0.2- 990915 658 0.2- 0.1+ 240509 T14 0.0 0.1-
990908 046 0.3- 0.2+ 990915 658 0.0 0.3+ 240509 T14 0.1+ 0.0
990909 046 0.1- 0.4- 990915 848 0.6- 0.7+ 240509 T14 0.0 0.1+
990909 046 1.0- 0.7- 990915 848 0.6- 0.9+
Ephemeris:
1999 RP28 a,e,i = 1.48, 0.24, 9 q = 1.1212
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 04 10 14 52 50.0 -01 42 18 0.5544 1.5220 154.8 16.3 23.0
...
2024 04 25 14 40 07.4 +04 17 43 0.4837 1.4719 161.1 12.8 22.5
...
2024 05 03 14 30 24.9 +07 28 40 0.4624 1.4444 156.7 16.0 22.5
...
2024 05 09 14 22 40.1 +09 37 07 0.4534 1.4236 151.1 20.0 22.5
2024 05 10 14 21 23.4 +09 56 41 0.4524 1.4201 150.1 20.7 22.6
2024 05 11 14 20 07.3 +10 15 40 0.4516 1.4166 149.1 21.5 22.6
...
2024 05 17 14 12 54.7 +11 55 52 0.4495 1.3956 142.7 26.1 22.7
...
2024 05 25 14 05 01.0 +13 29 46 0.4527 1.3676 134.2 32.1 22.8
...
2024 06 09 13 58 05.0 +14 23 22 0.4701 1.3157 120.2 41.8 23.1
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-J240
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