[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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