[Iaude] MPEC K87: 2021 KL2 [a=2.09,e=0.49,i=5.8,H=20.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu May 27 01:57:04 EDT 2021


M.P.E.C. 2021-K87                                  Issued 2021 May 27, 05:55 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 KL2                                    


Observations:
     K21K02L  C2021 05 22.44617 19 55 49.25 -18 29 28.0          21.2 GVEK087G96
     K21K02L  C2021 05 22.45136 19 55 50.69 -18 29 16.0          21.1 GVEK087G96
     K21K02L  C2021 05 22.45653 19 55 52.27 -18 29 04.4          21.9 GVEK087G96
     K21K02L  C2021 05 22.46172 19 55 53.86 -18 28 52.6          20.7 GVEK087G96
     K21K02L* C2021 05 23.55667920 01 35.435-17 47 24.89         19.79wUEK087F51
     K21K02L  C2021 05 23.56337520 01 37.464-17 47 09.43         19.84wUEK087F51
     K21K02L  C2021 05 23.57014620 01 39.505-17 46 53.71         19.88wUEK087F51
     K21K02L  C2021 05 23.57695320 01 41.557-17 46 38.00         20.01wUEK087F51
     K21K02L  C2021 05 24.55914520 06 51.863-17 07 51.31         19.85GVEK087F51
     K21K02L  C2021 05 24.56580420 06 53.901-17 07 35.14         19.62GVEK087F51
     K21K02L  C2021 05 24.57238920 06 55.926-17 07 19.29         20.15GVEK087F51
     K21K02L 2C2021 05 25.02441120 09 20.545-16 48 34.44         19.7 GVEK087L80
     K21K02L 2C2021 05 25.05454520 09 29.881-16 47 20.62         19.4 GVEK087L80
     K21K02L 2C2021 05 25.07747420 09 36.919-16 46 25.03         19.5 GVEK087L80
     K21K02L |C2021 05 25.28401 20 10 43.41 -16 37 49.6          19.2 GVEK087807
     K21K02L |C2021 05 25.28636 20 10 44.15 -16 37 43.8          19.6 GVEK087807
     K21K02L |C2021 05 25.28843 20 10 44.79 -16 37 38.8          19.6 GVEK087807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman, K. Chambers, I. Smith.  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.  Observer R. A. Kowalski.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  1.5-m reflector + 10K CCD.
L80 SpringBok Observatory, Tivoli.  Observers R. Reszelewski, M. Zolnowski, M.
    Gedek, K. Zukowski, T. Santana-Ros, L. Conversi, M. Micheli.  Measurers M.
    Micheli, R. Reszelewski.  0.4-m f/3.75 reflector + CCD.

Orbital elements:
2021 KL2                                                 Earth MOID = 0.0957 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 293.05244              (2000.0)            P               Q                  
n   0.32597081     Peri.   54.31643     +0.52647427     +0.84508578             
a   2.0909817      Node   247.70813     -0.80891377     +0.46422435             
e   0.4860253      Incl.    5.77061     -0.26169326     +0.26519008             
P   3.02           H   20.76          G   0.15           U   9                  
Residuals in seconds of arc
210522 G96  0.4+  0.3-    210523 F51  0.0   0.0     210525 L80  0.1-  0.4+
210522 G96 (1.1-  0.2+)   210523 F51  0.0   0.1-    210525 L80  0.4-  0.1-
210522 G96  0.6-  0.4+    210524 F51  0.0   0.1-    210525 807  0.2-  0.1+
210522 G96  0.0   0.7+    210524 F51  0.0   0.1+    210525 807  0.0   0.1+
210523 F51  0.0   0.1-    210524 F51  0.2+  0.1+    210525 807  0.0   0.0
210523 F51  0.1+  0.1-    210525 L80  0.6-  0.1+

Ephemeris:
2021 KL2                 a,e,i = 2.09, 0.49, 6                   q = 1.0747
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 27    18 06 16.2 -27 12 27   0.4932  1.3522   125.2    37.5    21.4
...
2021 05 12    19 05 41.9 -23 34 42   0.3695  1.2640   126.2    40.2    20.7
...
2021 05 20    19 43 24.0 -19 54 50   0.3180  1.2212   124.7    42.9    20.4
...
2021 05 26    20 14 32.5 -16 07 57   0.2870  1.1917   122.4    45.9    20.2
2021 05 27    20 19 57.2 -15 24 38   0.2825  1.1870   121.9    46.4    20.1
2021 05 28    20 25 25.2 -14 39 45   0.2782  1.1823   121.4    47.0    20.1
...
2021 06 03    20 59 13.0 -09 39 26   0.2568  1.1562   117.7    51.0    20.0
...
2021 06 11    21 45 42.6 -01 56 39   0.2402  1.1262   111.6    56.9    20.0
...
2021 06 26    23 09 19.8 +12 26 13   0.2428  1.0873   100.5    66.8    20.2

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K87




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