[Iaude] MPEC J137: 2021 JK3 [a=2.59,e=0.77,i=9.4,H=23.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon May 10 02:22:58 EDT 2021


M.P.E.C. 2021-J137                                 Issued 2021 May 10, 06:21 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 JK3                                    


Observations:
     K21J03K* C2021 05 08.40782914 18 43.156-04 39 32.44         21.37wUEJ137F51
     K21J03K  C2021 05 08.41978414 18 39.669-04 39 24.40         21.46wUEJ137F51
     K21J03K  C2021 05 08.43177714 18 36.170-04 39 16.56         21.39wUEJ137F51
     K21J03K hC2021 05 08.95257014 16 07.82 -04 33 39.5          21.0 GVEJ137L01
     K21J03K IC2021 05 08.95491214 16 07.16 -04 33 38.0          21.2 GVEJ137L01
     K21J03K IC2021 05 08.95725514 16 06.46 -04 33 36.2          21.0 GVEJ137L01
     K21J03K hC2021 05 08.96193814 16 04.98 -04 33 33.2          21.1 GVEJ137L01
     K21J03K KC2021 05 09.23693214 14 44.87 -04 30 19.7          21.69GVEJ137I52
     K21J03K KC2021 05 09.24029214 14 43.78 -04 30 17.1          20.45GVEJ137I52
     K21J03K KC2021 05 09.24365214 14 42.71 -04 30 14.9          21.37GVEJ137I52
     K21J03K KC2021 05 09.24701114 14 41.68 -04 30 13.0          21.35GVEJ137I52
     K21J03K KC2021 05 10.19924714 09 46.30 -04 18 57.9          21.5 VuEJ137H21
     K21J03K KC2021 05 10.20671314 09 43.81 -04 18 52.2                uEJ137H21
     K21J03K KC2021 05 10.21492414 09 41.88 -04 18 42.5          20.88GVEJ137I52
     K21J03K KC2021 05 10.21828314 09 40.68 -04 18 40.1          21.97GVEJ137I52
     K21J03K KC2021 05 10.22164314 09 39.57 -04 18 38.4          21.07GVEJ137I52

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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer 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.  1.0-m
    reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2021 JK3                                                 Earth MOID = 0.0135 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 310.94470              (2000.0)            P               Q                  
n   0.23615030     Peri.  270.34770     +0.82015946     +0.55578485             
a   2.5922510      Node    55.89220     -0.43765394     +0.76233039             
e   0.7655567      Incl.    9.43990     -0.36850711     +0.33159551             
P   4.17           H   23.14          G   0.15           U   9                  
Residuals in seconds of arc
210508 F51  0.0   0.1-    210508 L01  0.9-  0.2+    210510 H21  0.1+  0.0
210508 F51  0.0   0.1+    210509 I52  0.8+  0.2-    210510 I52  0.6+  0.3+
210508 F51  0.1+  0.0     210509 I52  0.1+  0.1+    210510 I52  0.5-  0.3+
210508 L01  0.6-  0.3+    210509 I52  0.4-  0.0     210510 I52  0.3-  0.5-
210508 L01  0.1+  0.1+    210509 I52  0.2-  0.4-
210508 L01  0.2+  0.3+    210510 H21  0.1+  0.2-

Ephemeris:
2021 JK3                 a,e,i = 2.59, 0.77, 9                   q = 0.6077
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 10    15 12 15.3 -07 36 02   0.6555  1.6059   150.7    17.8    24.2
...
2021 04 25    14 57 42.3 -06 26 50   0.4322  1.4298   166.5     9.5    22.7
...
2021 05 03    14 39 12.6 -05 30 42   0.3283  1.3325   169.9     7.6    21.9
...
2021 05 09    14 15 54.5 -04 32 42   0.2579  1.2581   162.8    13.8    21.5
2021 05 10    14 10 50.2 -04 20 59   0.2469  1.2456   160.9    15.4    21.4
2021 05 11    14 05 19.8 -04 08 30   0.2361  1.2331   158.9    17.2    21.4
...
2021 05 17    13 20 02.8 -02 30 58   0.1769  1.1575   143.0    31.7    21.0
...
2021 05 25    11 24 29.1 +01 24 10   0.1218  1.0559   107.5    66.1    21.0
...
2021 06 09    06 42 07.2 +07 42 08   0.1690  0.8682    27.2   147.7    27.0

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J137




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