[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





More information about the Iaude mailing list