[Iaude] MPEC J62: 2021 JL1 [a=1.81,e=0.36,i=3.2,H=24.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed May 5 11:03:30 EDT 2021


M.P.E.C. 2021-J62                                   Issued 2021 May 5, 15:02 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 JL1                                    


Observations:
     K21J01L  C2021 04 07.48675514 52 27.132+01 49 55.39         22.22GVEJ062F51
     K21J01L  C2021 04 07.50014814 52 28.802+01 49 55.10         22.41GVEJ062F51
     K21J01L  C2021 04 07.51358214 52 30.480+01 49 54.55         22.47GVEJ062F51
     K21J01L  C2021 04 14.56194715 09 18.380+01 37 28.15         22.12GVEJ062F51
     K21J01L  C2021 04 14.58130815 09 20.877+01 37 24.08         22.76GVEJ062F51
     K21J01L  C2021 04 14.59313815 09 22.432+01 37 21.89         22.36GVEJ062F51
     K21J01L* C2021 05 04.43766415 57 58.155-01 27 22.44         22.17wUEJ062F51
     K21J01L  C2021 05 04.45019015 57 59.690-01 27 34.38         22.04wUEJ062F51
     K21J01L  C2021 05 04.46272915 58 01.225-01 27 46.43         22.60wUEJ062F51
     K21J01L  C2021 05 04.47528615 58 02.744-01 27 58.45         22.05wUEJ062F51
     K21J01L KC2021 05 05.11313115 59 34.96 -01 37 40.5          21.2 GXEJ062Y00
     K21J01L KC2021 05 05.11806115 59 35.57 -01 37 44.5          20.9 GXEJ062Y00
     K21J01L KC2021 05 05.12298615 59 36.20 -01 37 50.9          20.8 GXEJ062Y00
     K21J01L  C2021 05 05.27928415 59 58.63 -01 41 15.7          21.9 GVEJ062H01
     K21J01L  C2021 05 05.28286915 59 59.07 -01 41 19.2          21.7 GVEJ062H01
     K21J01L  C2021 05 05.29363116 00 00.41 -01 41 29.9          21.8 GVEJ062H01
     K21J01L  C2021 05 05.29968216 00 01.16 -01 41 36.0          21.6 GVEJ062H01
     K21J01L ^C2021 05 05.52973416 00 31.937-01 45 14.12         21.70GVEJ062568
     K21J01L ^C2021 05 05.53094716 00 32.074-01 45 15.22         21.63GVEJ062568
     K21J01L ^C2021 05 05.53247016 00 32.242-01 45 16.67         21.74GVEJ062568
     K21J01L ^C2021 05 05.53406616 00 32.451-01 45 18.39         21.64GVEJ062568

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, L. Wells, 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.
Y00 SONEAR Observatory, Oliveira.  Observers C. Jacques, E. Pimentel, J.
    Barros.  Measurer C. Jacques.  0.45-m f/2.9 reflector + CCD.

Orbital elements:
2021 JL1                                                 Earth MOID = 0.1518 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 302.53224              (2000.0)            P               Q                  
n   0.40364000     Peri.  130.55337     -0.65129648     +0.75684912             
a   1.8133150      Node    98.72025     -0.71186311     -0.58443510             
e   0.3619249      Incl.    3.17247     -0.26279994     -0.29260045             
P   2.44           H   24.63          G   0.15           U   6                  
Residuals in seconds of arc
210407 F51  0.1+  0.0     210504 F51  0.0   0.1+    210505 H01  0.0   0.0
210407 F51  0.0   0.1+    210504 F51  0.1+  0.1+    210505 H01  0.1+  0.0
210407 F51  0.0   0.1-    210504 F51  0.0   0.1+    210505 H01  0.0   0.0
210414 F51  0.2-  0.0     210505 Y00  0.3-  0.7+    210505 568 (0.2+  0.1-)
210414 F51  0.1-  0.2-    210505 Y00  0.2-  1.6+    210505 568  0.0   0.0
210414 F51  0.2+  0.0     210505 Y00  0.3+  0.0     210505 568 (0.2-  0.1+)
210504 F51  0.0   0.0     210505 H01  0.0   0.0     210505 568  0.0   0.0

Ephemeris:
2021 JL1                 a,e,i = 1.81, 0.36, 3                   q = 1.1570
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 05    14 46 37.5 +01 50 24   0.2223  1.2000   151.2    23.6    22.9
...
2021 04 20    15 22 34.5 +01 12 08   0.1814  1.1704   154.0    22.1    22.3
...
2021 04 28    15 42 17.9 +00 01 31   0.1676  1.1613   155.5    21.1    22.1
...
2021 05 04    15 56 54.3 -01 20 05   0.1606  1.1577   156.9    20.0    22.0
2021 05 05    15 59 17.5 -01 36 07   0.1598  1.1574   157.2    19.8    22.0
2021 05 06    16 01 39.6 -01 52 50   0.1590  1.1572   157.5    19.5    21.9
...
2021 05 12    16 15 24.7 -03 47 00   0.1559  1.1575   159.5    17.8    21.8
...
2021 05 20    16 32 14.7 -06 50 54   0.1565  1.1623   162.9    14.8    21.8
...
2021 06 04    16 58 13.6 -13 18 31   0.1721  1.1846   170.6     8.1    21.7

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J62




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