[Iaude] MPEC J235: 2021 JJ7 [a=2.41,e=0.61,i=1.2,H=24.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat May 15 14:54:41 EDT 2021


M.P.E.C. 2021-J235                                 Issued 2021 May 15, 18:53 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 JJ7                                    


Observations:
     K21J07J* C2021 05 01.26979613 41 32.47 -13 50 46.8          21.50GVEJ235G96
     K21J07J  C2021 05 01.28095513 41 31.71 -13 50 54.2          21.37GVEJ235G96
     K21J07J  C2021 05 01.28654013 41 31.35 -13 50 57.6          20.74GVEJ235G96
     K21J07J  C2021 05 04.38231 13 39 02.830-14 33 53.97         21.1 wUEJ235F51
     K21J07J  C2021 05 04.39513 13 39 01.831-14 34 06.47         21.0 wUEJ235F51
     K21J07J  C2021 05 04.40800 13 39 00.809-14 34 18.89         21.0 wUEJ235F51
     K21J07J  C2021 05 04.42084 13 38 59.803-14 34 31.22         21.1 wUEJ235F51
     K21J07J  C2021 05 14.24230613 25 42.03 -19 55 06.1          19.96GVEJ235G96
     K21J07J  C2021 05 14.24968713 25 40.66 -19 55 34.1          19.74GVEJ235G96
     K21J07J  C2021 05 14.25497513 25 39.64 -19 55 53.8          19.37GVEJ235G96
     K21J07J  C2021 05 14.26025313 25 38.72 -19 56 14.2          19.67GVEJ235G96
     K21J07J  C2021 05 14.31938113 25 27.93 -19 59 55.5          19.49GVEJ235I52
     K21J07J  C2021 05 14.32428913 25 27.08 -20 00 14.8          20.67GVEJ235I52
     K21J07J  C2021 05 14.32877713 25 26.24 -20 00 30.9          20.27GVEJ235I52
     K21J07J 2C2021 05 14.91537113 24 07.367-20 40 36.20         19.1 GVEJ235J04
     K21J07J  C2021 05 15.15370813 23 30.79 -20 58 19.5          19.68GVEJ235I52
     K21J07J  C2021 05 15.15412713 23 30.72 -20 58 21.0          20.03GVEJ235I52
     K21J07J  C2021 05 15.15831013 23 29.91 -20 58 40.9          21.18GVEJ235I52
     K21J07J  C2021 05 15.16248713 23 29.03 -20 59 00.3          20.64GVEJ235I52
     K21J07J  C2021 05 15.32312413 23 01.047-21 11 07.69         19.78wUEJ235F51
     K21J07J  C2021 05 15.33414213 22 58.559-21 12 00.12         19.86wUEJ235F51
     K21J07J  C2021 05 15.34516113 22 56.063-21 12 52.17         19.76wUEJ235F51
     K21J07J  C2021 05 15.35618413 22 53.571-21 13 44.18         19.79wUEJ235F51

Observer details:
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.
G96 Mt. Lemmon Survey.  Observers D. Rankin, G. J. Leonard.  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.  1.5-m reflector +
    10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers T. A. Pruyne, D. C.
    Fuls.  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. Fohring, R. Kresken, D. Koschny, L. Conversi, A. Knofel,
    M. Busch, E. Schwab.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2021 JJ7                                                 Earth MOID = 0.0148 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 310.71546              (2000.0)            P               Q                  
n   0.26394487     Peri.  261.79714     +0.17604525     +0.98436063             
a   2.4069139      Node    18.34621     -0.89483106     +0.16277732             
e   0.6110174      Incl.    1.18284     -0.41022609     +0.06736241             
P   3.73           H   24.60          G   0.15           U   8                  
Residuals in seconds of arc
210501 G96  0.4+  0.1-    210514 G96  0.2+  0.1+    210515 I52  0.5-  0.4+
210501 G96  0.2-  0.5+    210514 G96  0.6-  0.4+    210515 I52  0.4+  0.0
210501 G96  0.1-  0.9+    210514 G96  0.2+  0.2-    210515 I52  0.4+  0.0
210504 F51  0.0   0.0     210514 I52  0.2-  0.4+    210515 F51  0.0   0.0
210504 F51  0.1+  0.0     210514 I52  0.2+  0.6-    210515 F51  0.0   0.1-
210504 F51  0.0   0.0     210514 I52  0.4-  0.0     210515 F51  0.1-  0.0
210504 F51  0.0   0.0     210514 J04  0.5+  0.2+    210515 F51  0.0   0.0
210514 G96  0.2+  0.2+    210515 I52  0.8-  0.0

Ephemeris:
2021 JJ7                 a,e,i = 2.41, 0.61, 1                   q = 0.9362
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 15    13 49 40.1 -12 02 58   0.2897  1.2921   175.2     3.8    22.8
...
2021 04 30    13 42 26.8 -13 35 55   0.1686  1.1730   168.7     9.7    21.7
...
2021 05 08    13 35 28.7 -15 45 36   0.1116  1.1147   159.8    18.2    21.0
...
2021 05 14    13 26 15.6 -19 38 23   0.07132 1.0744   152.4    25.8    20.2
2021 05 15    13 23 52.1 -20 45 02   0.06479 1.0680   151.0    27.3    20.0
2021 05 16    13 20 59.4 -22 06 26   0.05833 1.0617   149.5    28.9    19.8
...
2021 05 22    12 18 49.7 -45 46 54   0.02238 1.0266   129.3    49.7    18.3
...
2021 05 30    02 18 06.9 -11 53 03   0.03883 0.9872    46.2   132.2    23.5
...
2021 06 14    01 59 13.5 +04 02 02   0.1364  0.9422    54.1   119.2    24.9

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J235




More information about the Iaude mailing list