[Iaude] MPEC K08: 2021 JT8 [a=2.03,e=0.50,i=2.7,H=23.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun May 16 14:05:16 EDT 2021


M.P.E.C. 2021-K08                                  Issued 2021 May 16, 18:04 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 JT8                                    


Observations:
     K21J08T  C2021 05 04.44289715 20 53.251-06 33 26.47         21.49GVEK008F51
     K21J08T  C2021 05 04.45542515 20 53.406-06 33 13.07         20.93GVEK008F51
     K21J08T  C2021 05 10.45305315 23 46.410-04 37 22.00         20.79GVEK008F51
     K21J08T  C2021 05 10.45575515 23 46.448-04 37 18.83         21.70GVEK008F51
     K21J08T  C2021 05 10.46051415 23 46.532-04 37 12.70         21.32GVEK008F51
     K21J08T* C2021 05 15.46440015 26 40.665-02 41 47.07         21.38wUEK008F51
     K21J08T  C2021 05 15.47616615 26 40.927-02 41 29.68         21.21wUEK008F51
     K21J08T  C2021 05 15.49967915 26 41.470-02 40 54.11         21.43wUEK008F51
     K21J08T 1C2021 05 15.97941 15 27 01.71 -02 29 06.5          21.0 VVEK008033
     K21J08T 1C2021 05 15.98232 15 27 01.79 -02 29 01.9          21.2 VVEK008033
     K21J08T 1C2021 05 15.98523 15 27 01.85 -02 28 57.6          20.9 VVEK008033
     K21J08T 1C2021 05 15.98813 15 27 01.97 -02 28 53.1          21.3 VVEK008033
     K21J08T !C2021 05 16.04763115 27 04.582-02 27 09.56         21.1 GVEK008J04
     K21J08T !C2021 05 16.05699215 27 04.821-02 26 54.85         20.7 GVEK008J04
     K21J08T !C2021 05 16.06569315 27 05.039-02 26 41.64         21.3 GVEK008J04
     K21J08T KC2021 05 16.28611615 27 14.72 -02 21 08.1                VEK008I52
     K21J08T KC2021 05 16.28863815 27 14.81 -02 21 02.4          21.97GVEK008I52
     K21J08T KC2021 05 16.29116215 27 14.89 -02 20 58.2          21.44GVEK008I52
     K21J08T  C2021 05 16.29231615 27 14.79 -02 20 57.5          21.1 GVEK008H01
     K21J08T KC2021 05 16.29368615 27 14.98 -02 20 54.1          21.18GVEK008I52
     K21J08T  C2021 05 16.29636915 27 14.90 -02 20 51.2          21.0 GVEK008H01
     K21J08T  C2021 05 16.30763115 27 15.19 -02 20 33.9          20.8 GVEK008H01
     K21J08T  C2021 05 16.31549015 27 15.40 -02 20 21.8          20.7 GVEK008H01
     K21J08T ^C2021 05 16.35870915 27 18.707-02 19 05.39         21.02GVEK008568
     K21J08T ^C2021 05 16.35969415 27 18.731-02 19 03.90         21.04GVEK008568
     K21J08T  C2021 05 16.39327315 27 19.606-02 18 12.66         21.32GVEK008F51
     K21J08T  C2021 05 16.42196315 27 20.312-02 17 28.29         21.37GVEK008F51
     K21J08T  C2021 05 16.43632815 27 20.669-02 17 05.99         20.87GVEK008F51

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
568 Mauna Kea.  Observers R. Wainscoat, C. Crowder, T. Burdullis.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer 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 R.
    Kresken, M. Micheli, D. Koschny, L. Conversi.  1.0-m f/4.4 reflector +
    CCD.

Orbital elements:
2021 JT8                                                 Earth MOID = 0.0315 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 289.94388              (2000.0)            P               Q                  
n   0.34158257     Peri.  129.71364     +0.37058800     +0.92868110             
a   2.0267752      Node   162.02163     -0.86606040     +0.35122912             
e   0.4969441      Incl.    2.72890     -0.33556506     +0.11911978             
P   2.89           H   23.61          G   0.15           U   8                  
Residuals in seconds of arc
210504 F51  0.1+  0.1-    210515 033  0.5-  0.3-    210516 H01  0.0   0.0
210504 F51  0.3-  0.1+    210515 033  0.0   0.2-    210516 H01  0.0   0.0
210510 F51  0.1+  0.2+    210516 J04  0.1-  0.2-    210516 H01  0.0   0.1-
210510 F51  0.1+  0.1-    210516 J04  0.0   0.2+    210516 568  0.0   0.0
210510 F51  0.1+  0.0     210516 J04  0.1+  0.0     210516 568  0.0   0.0
210515 F51  0.2+  0.1+    210516 I52 (1.1-  2.1-)   210516 F51  0.0   0.1+
210515 F51  0.1+  0.2-    210516 I52  0.6-  0.2-    210516 F51  0.0   0.1+
210515 F51  0.1-  0.0     210516 I52  0.4-  0.0     210516 F51  0.1+  0.1+
210515 033  0.1-  0.3-    210516 H01  0.0   0.1-
210515 033  0.1-  0.1-    210516 I52  0.0   0.3+

Ephemeris:
2021 JT8                 a,e,i = 2.03, 0.50, 3                   q = 1.0196
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 16    15 11 34.1 -10 31 02   0.4179  1.3968   156.5    16.6    23.3
...
2021 05 01    15 19 18.6 -07 30 04   0.2960  1.2970   166.3    10.6    22.2
...
2021 05 09    15 23 02.4 -05 07 17   0.2419  1.2463   166.9    10.6    21.7
...
2021 05 15    15 26 23.1 -02 53 02   0.2058  1.2101   164.1    13.2    21.4
2021 05 16    15 27 02.7 -02 28 01   0.2001  1.2042   163.4    13.9    21.3
2021 05 17    15 27 44.8 -02 02 09   0.1946  1.1984   162.7    14.5    21.3
...
2021 05 23    15 33 08.1 +00 53 18   0.1630  1.1648   157.7    19.3    21.0
...
2021 05 31    15 45 32.1 +06 02 22   0.1252  1.1239   149.9    26.9    20.6
...
2021 06 15    16 55 27.7 +24 12 09   0.06842 1.0625   131.6    45.6    19.7

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K08




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