[Iaude] MPEC J221: 2021 JP6 [a=2.24,e=0.51,i=1.0,H=24.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 14 13:02:08 EDT 2021


M.P.E.C. 2021-J221                                 Issued 2021 May 14, 17:00 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 JP6                                    


Observations:
     K21J06P  C2021 05 12.34733 15 59 02.30 -16 19 48.5          21.2 GVEJ221G96
     K21J06P  C2021 05 12.35243 15 59 03.64 -16 19 48.6          21.4 GVEJ221G96
     K21J06P  C2021 05 12.45452815 59 34.137-16 19 52.59         20.75GVEJ221F51
     K21J06P  C2021 05 12.46496815 59 36.892-16 19 53.72         21.01GVEJ221F51
     K21J06P* C2021 05 12.47544015 59 39.706-16 19 54.86         21.41wUEJ221F51
     K21J06P  C2021 05 12.48590415 59 42.511-16 19 56.00         21.35wUEJ221F51
     K21J06P 2C2021 05 12.97473316 02 10.083-16 20 58.11         20.5 GVEJ221J04
     K21J06P 2C2021 05 12.97888516 02 11.203-16 20 59.26         20.6 GVEJ221J04
     K21J06P KC2021 05 13.26690716 03 37.14 -16 21 36.9          21.77GVEJ221I52
     K21J06P KC2021 05 13.26942916 03 37.86 -16 21 37.3          20.90GVEJ221I52
     K21J06P KC2021 05 13.27195016 03 38.59 -16 21 37.8          21.56GVEJ221I52
     K21J06P KC2021 05 13.58273916 05 11.01 -16 20 54.4          21.1 GVEJ221474
     K21J06P KC2021 05 13.58509816 05 11.67 -16 20 54.3          20.6 GVEJ221474
     K21J06P KC2021 05 13.58745616 05 12.38 -16 20 54.7          20.6 GVEJ221474

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien
    + CCD.
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  1.5-m reflector + 10K 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.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers M.
    Micheli, D. Koschny, L. Conversi, R. Kresken, A. Knofel, M. Busch, E.
    Schwab.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2021 JP6                                                 Earth MOID = 0.0951 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
M 309.63862              (2000.0)            P               Q                  
n   0.29320661     Peri.   55.95787     -0.20170518     +0.97942352             
a   2.2439864      Node   202.40827     -0.90429896     -0.18884386             
e   0.5050655      Incl.    1.00361     -0.37624250     -0.07118680             
P   3.36           H   24.69          G   0.15           U   8                  
Residuals in seconds of arc
210512 G96  0.2-  0.3-    210512 F51  0.2+  0.0     210513 I52  0.3+  0.5-
210512 G96  0.6-  0.2+    210512 J04  0.1+  0.4+    210513 474  0.0   0.0
210512 F51 (0.5+  0.3-)   210512 J04  0.4-  0.0     210513 474  0.2-  0.3+
210512 F51  0.0   0.1-    210513 I52  0.2-  0.3-    210513 474  0.3+  0.1+
210512 F51  0.2+  0.0     210513 I52  0.0   0.3-

Ephemeris:
2021 JP6                 a,e,i = 2.24, 0.51, 1                   q = 1.1106
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 14    14 35 35.8 -14 47 17   0.2733  1.2666   162.8    13.6    23.2
...
2021 04 29    15 08 42.4 -15 39 13   0.1918  1.1960   169.4     8.9    22.1
...
2021 05 07    15 35 36.1 -16 05 10   0.1585  1.1656   170.4     8.3    21.6
...
2021 05 13    16 02 15.1 -16 20 20   0.1383  1.1467   169.5     9.2    21.3
2021 05 14    16 07 19.9 -16 22 07   0.1354  1.1439   169.2     9.5    21.3
2021 05 15    16 12 36.2 -16 23 36   0.1326  1.1412   168.9     9.9    21.2
...
2021 05 21    16 48 18.1 -16 23 44   0.1185  1.1274   165.9    12.7    21.1
...
2021 05 29    17 44 58.9 -15 48 04   0.1077  1.1152   159.8    18.3    21.0
...
2021 06 13    19 29 49.0 -12 53 26   0.1121  1.1128   148.6    28.3    21.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J221




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