[Iaude] MPEC J181: 2021 JE5 [a=1.81,e=0.49,i=30.3,H=22.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed May 12 05:21:29 EDT 2021


M.P.E.C. 2021-J181                                 Issued 2021 May 12, 09:20 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 JE5                                    


Observations:
     K21J05E  C2021 05 10.31203 15 31 48.71 -05 50 58.3          21.7 GVEJ181G96
     K21J05E  C2021 05 10.31720 15 31 48.42 -05 50 29.4          21.2 GVEJ181G96
     K21J05E  C2021 05 10.32237 15 31 48.01 -05 50 01.6          21.4 GVEJ181G96
     K21J05E  C2021 05 10.32754 15 31 47.63 -05 49 34.1          22.1 GVEJ181G96
     K21J05E* C2021 05 10.46245415 31 38.445-05 37 30.07         20.96wUEJ181F51
     K21J05E  C2021 05 10.47421815 31 37.534-05 36 27.12         20.99wUEJ181F51
     K21J05E  C2021 05 10.48688715 31 36.557-05 35 19.57         20.92wUEJ181F51
     K21J05E  C2021 05 10.50033115 31 35.519-05 34 07.53         21.01wUEJ181F51
     K21J05E |C2021 05 11.16847 15 30 50.60 -04 33 33.9          21.0 VuEJ181807
     K21J05E |C2021 05 11.17352 15 30 50.19 -04 33 06.5          21.0 VuEJ181807
     K21J05E |C2021 05 11.17845 15 30 49.81 -04 32 39.7          21.1 VuEJ181807
     K21J05E  C2021 05 12.35403515 29 25.66 -02 44 10.2          20.8 GVEJ181H01
     K21J05E  C2021 05 12.35713815 29 25.41 -02 43 52.8          20.7 GVEJ181H01
     K21J05E  C2021 05 12.36844315 29 24.49 -02 42 48.8          20.8 GVEJ181H01
     K21J05E  C2021 05 12.37556815 29 23.91 -02 42 08.5          20.8 GVEJ181H01

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  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 H. Groeller.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  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.

Orbital elements:
2021 JE5                                                 Earth MOID = 0.2229 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 265.83759              (2000.0)            P               Q                  
n   0.40529625     Peri.   96.00118     +0.67563769     +0.64716247             
a   1.8083715      Node   224.41798     -0.69515026     +0.71875042             
e   0.4904032      Incl.   30.30080     +0.24551952     +0.25412314             
P   2.43           H   22.13          G   0.15           U   9                  
Residuals in seconds of arc
210510 G96  1.3-  1.8-    210510 F51  0.0   0.2+    210511 807  0.2+  0.3-
210510 G96  0.2+  0.4-    210510 F51  0.0   0.0     210512 H01  0.1-  0.1+
210510 G96  0.1-  0.1-    210510 F51  0.0   0.0     210512 H01  0.0   0.0
210510 G96  0.1+  0.1-    210511 807  0.3+  0.0     210512 H01  0.1-  0.0
210510 F51  0.1+  0.2+    210511 807  0.1+  0.2-    210512 H01  0.2-  0.0

Ephemeris:
2021 JE5                 a,e,i = 1.81, 0.49, 30                  q = 0.9215
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 12    15 43 51.2 -30 19 30   0.6586  1.5666   140.3    24.1    23.3
...
2021 04 27    15 42 23.7 -21 15 39   0.4771  1.4607   158.4    14.7    22.2
...
2021 05 05    15 37 05.8 -13 00 40   0.4014  1.4033   167.7     8.8    21.5
...
2021 05 11    15 31 01.9 -04 49 07   0.3578  1.3601   166.1    10.2    21.2
2021 05 12    15 29 51.6 -03 17 11   0.3519  1.3529   164.8    11.3    21.2
2021 05 13    15 28 38.8 -01 42 37   0.3463  1.3457   163.2    12.5    21.2
...
2021 05 19    15 20 34.8 +08 30 36   0.3213  1.3026   151.3    21.9    21.3
...
2021 05 27    15 08 18.9 +22 58 56   0.3110  1.2458   132.9    36.6    21.6
...
2021 06 11    14 44 02.4 +45 51 01   0.3457  1.1433   102.9    60.0    22.3

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J181




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