[Iaude] MPEC J13: 2021 JJ [a=1.31,e=0.21,i=8.5,H=25.52]
Roland Santallo Obs930
obs930 at southernstars-observatory.org
Sat May 11 21:25:02 EDT 2024
TEst Test
Le 01/05/2024 à 04:15, mpec at cfa.harvard.edu a écrit :
> 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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--
Roland Santallo
Southern Stars Observatory TAHITI
https://southernstars-observatory.org
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