[Iaude] MPEC J29: 2021 JL [a=1.12,e=0.20,i=5.9,H=26.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon May 3 03:20:24 EDT 2021


M.P.E.C. 2021-J29                                   Issued 2021 May 3, 07:19 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 JL                                     


Observations:
     K21J00L  C2021 04 20.16914 10 14 51.95 -26 24 51.7          19.8 GVEJ029G96
     K21J00L  C2021 04 20.17438 10 15 01.76 -26 23 50.7          19.7 GVEJ029G96
     K21J00L  C2021 04 20.17963 10 15 11.47 -26 22 51.6          19.5 GVEJ029G96
     K21J00L* C2021 05 01.21992813 14 45.17 -01 32 38.6          20.24GVEJ029G96
     K21J00L  C2021 05 01.23105313 14 48.91 -01 31 57.4          20.57GVEJ029G96
     K21J00L  C2021 05 01.23661213 14 50.75 -01 31 36.7          20.81GVEJ029G96
     K21J00L KC2021 05 01.29950513 15 11.57 -01 27 44.2          20.40GVEJ029I52
     K21J00L KC2021 05 01.30245113 15 12.54 -01 27 33.4          20.58GVEJ029I52
     K21J00L KC2021 05 01.30695013 15 14.02 -01 27 17.0          20.30GVEJ029I52
     K21J00L KC2021 05 01.34003 13 15 25.20 -01 25 13.8          20.8 RoEJ029691
     K21J00L KC2021 05 01.34937 13 15 28.35 -01 24 39.6          20.6 RoEJ029691
     K21J00L KC2021 05 01.35872 13 15 31.53 -01 24 05.5          20.9 RoEJ029691
     K21J00L KC2021 05 02.21511313 20 53.07 -00 34 56.0          21.16GVEJ029G96
     K21J00L KC2021 05 02.21633113 20 53.42 -00 34 52.1          21.13GVEJ029G96
     K21J00L 1C2021 05 02.94203 13 24 52.76 +00 02 01.0          21.1 VVEJ029033
     K21J00L 1C2021 05 02.94504 13 24 53.55 +00 02 09.6          20.8 VVEJ029033
     K21J00L 1C2021 05 02.94804 13 24 54.43 +00 02 18.6          20.7 VVEJ029033
     K21J00L KC2021 05 03.08272013 25 37.90 +00 11 41.8          21.2 GXEJ029Y00
     K21J00L KC2021 05 03.08280713 25 37.90 +00 11 41.8          20.6 GXEJ029Y00
     K21J00L KC2021 05 03.08508113 25 38.53 +00 11 48.2          20.7 GXEJ029Y00
     K21J00L KC2021 05 03.08583313 25 38.74 +00 11 50.6          21.0 GXEJ029Y00
     K21J00L  C2021 05 03.24274313 26 28.78 +00 17 04.0          20.7 GVEJ029H01
     K21J00L  C2021 05 03.24668013 26 29.79 +00 17 15.1          20.7 GVEJ029H01
     K21J00L  C2021 05 03.25650513 26 32.34 +00 17 43.1          20.6 GVEJ029H01
     K21J00L  C2021 05 03.26360713 26 34.17 +00 18 03.2          20.6 GVEJ029H01

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.
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer T. H. Bressi.  0.9-m
    f/3 reflector + CCD.
G96 Mt. Lemmon Survey.  Observers G. J. Leonard, D. Rankin.  Measurers B.
    Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, K. W. Wierzchos.  1.5-m
    reflector + 10K 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 K. W. Wierzchos.
    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.
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 JL                                                  Earth MOID = 0.0196 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 309.72932              (2000.0)            P               Q                  
n   0.83039823     Peri.  278.50803     -0.70983024     -0.70162486             
a   1.1210159      Node   216.97275     +0.68006668     -0.65968026             
e   0.1988437      Incl.    5.93206     +0.18344029     -0.26934088             
P   1.19           H   26.05          G   0.15           U   7                  
Residuals in seconds of arc
210420 G96  0.0   0.1+    210501 691  0.0   0.0     210503 Y00  0.7-  0.4+
210420 G96 (0.8+  1.1+)   210501 691  0.1+  0.1-    210503 Y00  0.0   0.2+
210420 G96  0.0   0.1-    210501 691  0.3+  0.2-    210503 Y00  0.2+  0.5+
210501 G96  0.2-  0.0     210502 G96  0.1+  0.1+    210503 H01  0.1-  0.0
210501 G96  0.3+  0.0     210502 G96  0.0   0.0     210503 H01  0.1-  0.0
210501 G96  0.2+  0.0     210502 033  0.3+  0.2+    210503 H01  0.0   0.1+
210501 I52  0.1+  0.0     210502 033  0.5-  0.1-    210503 H01  0.0   0.1+
210501 I52  0.0   0.1-    210502 033  0.0   0.1+
210501 I52  0.3-  0.2-    210503 Y00  0.4-  0.6+

Ephemeris:
2021 JL                  a,e,i = 1.12, 0.20, 6                   q = 0.8981
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 03    04 11 49.6 -25 05 50   0.06089 0.9688    57.9   119.0    24.7
...
2021 04 18    08 55 54.2 -32 02 25   0.02468 1.0131   110.9    67.8    20.4
...
2021 04 26    12 25 17.9 -09 25 15   0.03625 1.0387   153.2    25.9    20.1
...
2021 05 02    13 19 34.9 -00 45 21   0.05498 1.0583   156.1    22.7    21.0
2021 05 03    13 25 12.2 +00 06 45   0.05843 1.0616   155.7    23.0    21.1
2021 05 04    13 30 14.1 +00 52 25   0.06195 1.0648   155.2    23.4    21.3
...
2021 05 10    13 52 04.0 +03 50 14   0.08423 1.0846   151.7    26.2    22.0
...
2021 05 18    14 09 37.9 +05 19 44   0.1165  1.1109   146.9    29.8    22.9
...
2021 06 02    14 31 09.6 +04 52 54   0.1842  1.1587   138.6    35.4    24.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J29




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