[Iaude] MPEC J178: 2021 JA5 [a=1.63,e=0.46,i=2.5,H=26.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed May 12 01:23:31 EDT 2021


M.P.E.C. 2021-J178                                 Issued 2021 May 12, 05:22 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  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 JA5                                    


Observations:
     K21J05A* C2021 05 10.34297913 39 12.398+02 54 52.61         21.52wUEJ178F51
     K21J05A  C2021 05 10.35779713 39 09.037+02 57 18.75         21.20wUEJ178F51
     K21J05A  C2021 05 10.37255913 39 05.687+02 59 44.49         21.60wUEJ178F51
     K21J05A ^C2021 05 11.26052013 36 38.233+05 41 51.74         21.20GVEJ178568
     K21J05A ^C2021 05 11.26220013 36 37.802+05 42 12.45         21.09GVEJ178568
     K21J05A ^C2021 05 11.26359113 36 37.451+05 42 29.38         21.03GVEJ178568
     K21J05A ^C2021 05 11.26559613 36 36.935+05 42 53.94         21.24GVEJ178568
     K21J05A KC2021 05 12.14014013 33 27.34 +09 00 35.0          21.12GVEJ178I52
     K21J05A KC2021 05 12.14309213 33 26.43 +09 01 20.6          20.95GVEJ178I52
     K21J05A KC2021 05 12.14604513 33 25.50 +09 02 05.4          20.68GVEJ178I52
     K21J05A KC2021 05 12.14899813 33 24.57 +09 02 50.7          20.45GVEJ178I52

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Cunningham, N. Manset.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, 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.  Observer T. A. Pruyne.
    Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
    Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    reflector + CCD.

Orbital elements:
2021 JA5                                                 Earth MOID = 0.0155 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 268.32426              (2000.0)            P               Q                  
n   0.47522426     Peri.   75.24482     +0.34524697     +0.93817318             
a   1.6263112      Node   214.98479     -0.87709771     +0.31298034             
e   0.4600074      Incl.    2.52021     -0.33392236     +0.14789996             
P   2.07           H   26.60          G   0.15           U   8                  
Residuals in seconds of arc
210510 F51  0.1+  0.4-    210511 568  0.0   0.1+    210512 I52  0.2+  0.3+
210510 F51  0.1-  0.1+    210511 568  0.0   0.0     210512 I52  0.1-  0.1-
210510 F51  0.0   0.4+    210511 568  0.0   0.0     210512 I52  0.2-  0.1-
210511 568  0.0   0.1-    210512 I52  0.2+  0.0

Ephemeris:
2021 JA5                 a,e,i = 1.63, 0.46, 3                   q = 0.8782
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 12    13 59 34.3 -14 45 55   0.2444  1.2431   168.8     9.0    24.6
...
2021 04 27    13 54 39.6 -11 22 06   0.1341  1.1399   174.0     5.3    23.0
...
2021 05 05    13 48 17.1 -06 06 30   0.08224 1.0872   162.3    16.4    22.2
...
2021 05 11    13 37 19.8 +04 51 27   0.04636 1.0494   147.6    31.0    21.4
2021 05 12    13 33 53.9 +08 27 03   0.04081 1.0433   143.6    35.1    21.2
2021 05 13    13 29 23.3 +13 07 33   0.03548 1.0373   138.5    40.2    21.0
...
2021 05 19    07 21 58.1 +77 10 34   0.02076 1.0025    63.3   115.6    22.7
...
2021 05 27    02 22 02.5 +36 58 58   0.06026 0.9609    29.1   149.2    28.7
...
2021 06 11    02 17 17.5 +25 43 30   0.1561  0.9028    40.7   132.8    28.3

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J178




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