[Iaude] MPEC K06: 2021 JS8 [a=1.65,e=0.43,i=10.0,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun May 16 04:46:55 EDT 2021


M.P.E.C. 2021-K06                                  Issued 2021 May 16, 08:45 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 JS8                                    


Observations:
     K21J08S* C2021 05 14.30636714 30 45.96 -21 11 16.8          20.17GVEK006G96
     K21J08S  C2021 05 14.31300714 30 49.14 -21 10 30.3          19.91GVEK006G96
     K21J08S  C2021 05 14.32381914 30 54.32 -21 09 12.9          20.26GVEK006G96
     K21J08S KC2021 05 14.34214314 31 03.07 -21 07 03.7          20.40GVEK006I52
     K21J08S KC2021 05 14.34312614 31 03.51 -21 06 56.9          19.93GVEK006I52
     K21J08S KC2021 05 14.34411014 31 04.05 -21 06 49.1          20.67GVEK006I52
     K21J08S KC2021 05 14.34509314 31 04.47 -21 06 42.7          19.96GVEK006I52
     K21J08S 4C2021 05 14.94904 14 36 07.76 -19 58 29.9          20.4 GVEK006J04
     K21J08S 4C2021 05 14.95122 14 36 08.72 -19 58 15.1          19.8 GVEK006J04
     K21J08S 4C2021 05 14.95341 14 36 09.66 -19 58 02.4          20.4 GVEK006J04
     K21J08S |C2021 05 15.09800 14 37 17.67 -19 40 48.0          20.6 GVEK006807
     K21J08S |C2021 05 15.09951 14 37 18.32 -19 40 38.3          20.6 GVEK006807
     K21J08S |C2021 05 15.10110 14 37 19.00 -19 40 28.2          20.5 GVEK006807
     K21J08S KC2021 05 16.23998614 45 29.02 -17 46 31.1          20.37GVEK006I52
     K21J08S KC2021 05 16.24125114 45 29.45 -17 46 23.6          20.50GVEK006I52

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  1.00-m f/10.0 astrograph + CCD.
G96 Mt. Lemmon Survey.  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.  1.5-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 A.
    Knofel, D. Koschny, M. Busch, M. Micheli, D. Fohring, E. Schwab, R.
    Kresken.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2021 JS8                                                 Earth MOID = 0.0505 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 314.15247              (2000.0)            P               Q                  
n   0.46712891     Peri.  298.65477     -0.98330128     -0.11296272             
a   1.6450466      Node   235.20437     +0.15180667     -0.94154079             
e   0.4317307      Incl.   10.00587     -0.10036597     -0.31739623             
P   2.11           H   24.97          G   0.15           U   8                  
Residuals in seconds of arc
210514 G96  0.3+  0.1-    210514 I52  0.4+  0.7+    210515 807  0.1+  0.0
210514 G96  0.3+  0.5-    210514 I52  0.4-  0.2+    210515 807  0.1+  0.0
210514 G96  0.4+  0.5+    210514 J04  0.4-  0.3-    210515 807  0.1+  0.0
210514 I52  0.1-  0.1+    210514 J04  0.2-  0.4+    210516 I52  0.2+  0.2-
210514 I52  0.6-  0.1-    210514 J04 (0.5-  1.1-)   210516 I52  0.2-  0.1+

Ephemeris:
2021 JS8                 a,e,i = 1.65, 0.43, 10                  q = 0.9348
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 16    05 40 42.0 -27 06 31   0.1205  0.9687    69.9   103.4    24.1
...
2021 05 01    09 08 31.3 -47 40 29   0.05789 1.0259   107.0    69.9    21.3
...
2021 05 09    13 20 48.3 -34 22 15   0.06258 1.0649   151.4    27.0    20.3
...
2021 05 15    14 36 29.2 -19 51 49   0.08785 1.0970   168.1    11.0    20.6
2021 05 16    14 43 50.0 -18 08 36   0.09306 1.1025   168.8    10.2    20.7
2021 05 17    14 50 18.0 -16 35 43   0.09846 1.1081   169.1    10.0    20.8
...
2021 05 23    15 16 56.5 -10 03 06   0.1341  1.1427   165.5    12.8    21.7
...
2021 05 31    15 36 02.3 -05 41 30   0.1876  1.1909   159.0    17.7    22.6
...
2021 06 15    15 55 27.9 -03 08 07   0.3035  1.2853   148.9    24.1    24.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K06




More information about the Iaude mailing list