[Iaude] MPEC J13: 2021 JJ [a=1.31,e=0.21,i=8.5,H=25.52]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Wed May 1 10:15:41 EDT 2024
M.P.E.C. 2024-J13 Issued 2024 May 1, 14:14 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 JJ
Revision to MPEC 2021-J25
Additional Observations:
K21J00J C2024 04 10.41663614 56 16.019+15 48 45.75 22.16GVEJ013F51
K21J00J C2024 04 10.42955414 56 16.386+15 48 34.31 22.77GVEJ013F51
K21J00J C2024 04 10.44246214 56 16.703+15 48 22.63 22.35GVEJ013F51
K21J00J C2024 04 10.45533914 56 17.045+15 48 11.13 22.17GVEJ013F51
K21J00J KC2024 04 30.37645715 13 02.428+00 06 04.54 20.46GVEJ013I52
K21J00J KC2024 04 30.37774115 13 02.449+00 05 56.72 20.41GVEJ013I52
K21J00J KC2024 04 30.37901815 13 02.478+00 05 49.06 20.65GVEJ013I52
K21J00J KC2024 04 30.38029215 13 02.514+00 05 41.14 20.30GVEJ013I52
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.
I52 Steward Observatory, Mt. Lemmon Station. Observers V. F. Carvajal, G. J.
Leonard. 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. 1.0-m prime focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240410 F51 1.21- 0.68- 240430 I52 2.67- 1.18- E2024-DD1 -0.10 days
Orbital elements:
2021 JJ Earth MOID = 0.0422 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 315.49049 (2000.0) P Q
n 0.65838208 Peri. 209.88981 -0.21472797 +0.97055455
a 1.3086315 Node 47.94637 -0.86441465 -0.13683157
e 0.2092403 Incl. 8.45383 -0.45461986 -0.19824475
P 1.50 H 25.52 G 0.15 U 0
Residuals in seconds of arc
210418 G96 0.4- 0.5- 210506 807 0.5+ 0.1+ 210511 G96 0.0 0.1-
210418 G96 0.0 0.5- 210506 807 0.2- 0.6+ 210511 G96 0.2+ 0.3+
210418 G96 0.5+ 0.1+ 210506 I52 0.3+ 0.2+ 210512 807 0.2- 0.1+
210501 F51 0.2+ 0.2+ 210506 I52 0.9- 0.0 210512 807 0.1- 0.0
210501 F51 0.1+ 0.2+ 210506 I52 0.4+ 0.6- 210512 807 0.5- 0.2+
210501 F51 0.1+ 0.0 210506 I52 0.3+ 0.4+ 210520 474 0.4+ 0.3+
210502 I52 0.1- 0.0 210507 I52 0.2- 0.0 210520 474 0.2- 0.0
210502 I52 0.1+ 0.1+ 210507 I52 0.3+ 0.1+ 210520 474 0.1+ 0.3-
210502 033 0.1- 0.2+ 210508 691 0.4+ 0.0 210520 474 0.1+ 0.1+
210502 033 0.1+ 0.0 210508 691 0.4- 0.1+ 240410 F51 0.1- 0.0
210502 033 0.1+ 0.1- 210508 691 0.6+ 0.1- 240410 F51 0.1+ 0.1+
210502 I93 0.8- 0.6- 210508 F51 0.1+ 0.1+ 240410 F51 0.2- 0.0
210502 I93 0.1+ 0.4+ 210508 F51 0.0 0.2- 240410 F51 0.0 0.2+
210502 204 0.5- 0.4+ 210508 F51 0.0 0.3- 240430 I52 0.1+ 0.0
210502 204 (0.8+ 0.5+) 210508 F51 0.3- 0.6- 240430 I52 0.0 0.1+
210505 I52 (1.3+ 0.7+) 210508 F51 0.2- 0.6- 240430 I52 0.1+ 0.2+
210505 I52 0.1+ 1.0- 210508 F51 0.0 0.2- 240430 I52 0.2+ 0.1+
210505 I52 0.0 1.1- 210511 G96 0.1- 0.2+
210506 807 0.4- 0.5- 210511 G96 0.3+ 0.1+
Ephemeris:
2021 JJ a,e,i = 1.31, 0.21, 8 q = 1.0348
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 04 01 14 47 37.5 +17 15 30 0.1789 1.1457 142.1 32.4 23.4
...
2024 04 16 15 00 41.3 +13 50 25 0.1174 1.1051 148.3 28.5 22.3
...
2024 04 24 15 07 03.8 +08 22 50 0.08885 1.0863 154.0 23.9 21.6
...
2024 04 30 15 12 40.2 +00 45 06 0.06992 1.0737 161.2 17.6 20.8
2024 05 01 15 13 45.1 -00 58 13 0.06704 1.0718 162.8 16.2 20.7
2024 05 02 15 14 53.8 -02 51 14 0.06426 1.0698 164.4 14.6 20.5
...
2024 05 08 15 23 46.2 -18 19 15 0.05027 1.0593 174.3 5.4 19.6
...
2024 05 16 15 49 44.7 -50 13 25 0.04297 1.0480 148.7 30.1 20.1
...
2024 05 31 00 02 31.3 -79 39 33 0.06620 1.0358 107.6 68.9 22.1
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-J13
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