[Iaude] MPEC J55: 2021 JD1 [a=2.22,e=0.56,i=5.0,H=24.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed May 5 02:30:17 EDT 2021


M.P.E.C. 2021-J55                                   Issued 2021 May 5, 06:29 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 JD1                                    


Observations:
     K21J01D* C2021 05 03.35904816 07 09.74 +37 46 08.4          21.06GVEJ055G96
     K21J01D  C2021 05 03.36428416 07 13.28 +37 46 31.4          20.83GVEJ055G96
     K21J01D  C2021 05 03.36952216 07 16.80 +37 46 54.9          20.73GVEJ055G96
     K21J01D KC2021 05 03.43153316 07 58.52 +37 51 30.7          22.20GVEJ055I52
     K21J01D KC2021 05 03.43321516 07 59.70 +37 51 37.1          21.91GVEJ055I52
     K21J01D KC2021 05 03.43489716 08 00.86 +37 51 44.4          21.07GVEJ055I52
     K21J01D KC2021 05 03.43657716 08 02.00 +37 51 52.3          21.27GVEJ055I52
     K21J01D KC2021 05 04.01208716 15 06.91 +38 34 33.8          21.5 GVEJ055L01
     K21J01D IC2021 05 04.01559816 15 09.44 +38 34 50.0          21.6 GVEJ055L01
     K21J01D KC2021 05 04.02652316 15 17.30 +38 35 38.5          21.5 GVEJ055L01
     K21J01D KC2021 05 04.28408916 18 37.49 +38 54 56.7          20.67GVEJ055I52
     K21J01D KC2021 05 04.28829316 18 40.63 +38 55 16.0          21.50GVEJ055I52
     K21J01D KC2021 05 04.29249016 18 43.74 +38 55 35.4          21.33GVEJ055I52
     K21J01D KC2021 05 04.29668716 18 46.83 +38 55 53.8          21.11GVEJ055I52
     K21J01D  C2021 05 05.23327716 31 27.64 +40 04 01.7          20.7 GVEJ055H01
     K21J01D  C2021 05 05.23667616 31 30.43 +40 04 17.2          21.3 GVEJ055H01
     K21J01D  C2021 05 05.25076016 31 41.95 +40 05 20.8          20.6 GVEJ055H01
     K21J01D  C2021 05 05.25401716 31 44.62 +40 05 35.5          20.7 GVEJ055H01

Observer details:
G96 Mt. Lemmon Survey.  Observer D. Rankin.  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.
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 T. A. Pruyne.
    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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2021 JD1                                                 Earth MOID = 0.0086 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 309.31233              (2000.0)            P               Q                  
n   0.29840375     Peri.  148.61439     -0.14256257     +0.98656897             
a   2.2178553      Node   113.08506     -0.92512149     -0.10417586             
e   0.5562807      Incl.    4.97236     -0.35188940     -0.12581361             
P   3.30           H   24.35          G   0.15           U   9                  
Residuals in seconds of arc
210503 G96  0.3-  0.5+    210503 I52  0.2+  0.2+    210504 I52  0.3+  0.1-
210503 G96  0.0   0.1-    210504 L01  0.4+  0.2-    210504 I52  0.0   0.8-
210503 G96  0.1+  0.2-    210504 L01  0.3+  0.3+    210505 H01  0.1-  0.1+
210503 I52  0.5-  0.7+    210504 L01  0.0   0.0     210505 H01  0.0   0.1+
210503 I52  0.0   0.3-    210504 I52  0.2-  0.2-    210505 H01  0.1-  0.2+
210503 I52  0.2+  0.3-    210504 I52  0.1+  0.2-    210505 H01  0.0   0.2+

Ephemeris:
2021 JD1                 a,e,i = 2.22, 0.56, 5                   q = 0.9841
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 05    14 00 31.0 +13 38 39   0.2603  1.2406   154.6    20.2    22.9
...
2021 04 20    14 36 39.3 +23 23 25   0.1652  1.1416   143.4    31.6    22.1
...
2021 04 28    15 17 45.9 +31 16 30   0.1252  1.0955   132.7    42.5    21.7
...
2021 05 04    16 14 56.8 +38 33 47   0.1015  1.0649   121.5    53.8    21.5
2021 05 05    16 28 06.8 +39 47 15   0.09827 1.0602   119.4    56.0    21.5
2021 05 06    16 42 34.8 +40 58 05   0.09529 1.0556   117.1    58.3    21.5
...
2021 05 12    18 37 06.9 +45 16 50   0.08372 1.0307   101.8    73.6    21.6
...
2021 05 20    21 19 14.0 +37 58 04   0.08830 1.0051    83.1    91.9    22.3
...
2021 06 04    23 31 23.0 +17 40 40   0.1402  0.9841    73.6    98.6    23.6

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J55




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