MPEC 2021-K13 : 2021 JE9
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M.P.E.C. 2021-K13 Issued 2021 May 17, 01:51 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 JE9
Observations:
K21J09E C2021 05 09.51788416 13 38.363-06 08 30.25 20.95GVEK013F51
K21J09E C2021 05 09.53192716 13 34.448-06 09 01.77 21.84GVEK013F51
K21J09E C2021 05 09.55995616 13 26.640-06 10 04.95 21.62GVEK013F51
K21J09E* C2021 05 13.43948315 58 10.457-08 23 28.49 21.85wUEK013F51
K21J09E C2021 05 13.45218115 58 07.429-08 23 52.26 21.86wUEK013F51
K21J09E C2021 05 13.47761115 58 01.448-08 24 39.81 21.32wUEK013F51
K21J09E KC2021 05 14.24284215 55 20.44 -08 48 16.9 21.7 VuEK013H21
K21J09E KC2021 05 14.24830615 55 19.19 -08 48 26.3 21.6 VuEK013H21
K21J09E |C2021 05 14.32649 15 55 00.96 -08 49 51.9 21.6 GVEK013807
K21J09E |C2021 05 14.32834 15 55 00.56 -08 49 55.0 21.3 GVEK013807
K21J09E |C2021 05 14.33020 15 55 00.16 -08 49 58.4 21.6 GVEK013807
K21J09E |C2021 05 14.33205 15 54 59.74 -08 50 01.8 21.6 GVEK013807
K21J09E ^C2021 05 14.44188215 54 39.170-08 54 00.57 21.75GVEK013568
K21J09E ^C2021 05 14.44285915 54 38.949-08 54 02.33 21.70GVEK013568
K21J09E ^C2021 05 14.44383915 54 38.730-08 54 04.06 21.65GVEK013568
K21J09E C2021 05 16.39911515 48 16.654-09 49 33.55 21.57GVEK013F51
K21J09E C2021 05 16.39993415 48 16.491-09 49 35.23 21.63GVEK013F51
K21J09E C2021 05 16.41345015 48 13.726-09 49 57.27 21.61GVEK013F51
K21J09E C2021 05 16.42774015 48 10.816-09 50 20.55 21.16GVEK013F51
Observer details:
568 Mauna Kea. Observers R. Wainscoat, C. Crowder, T. Burdullis. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
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, 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD.
Orbital elements:
2021 JE9 Earth MOID = 0.0193 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 316.92915 (2000.0) P Q
n 0.68068699 Peri. 58.59003 -0.67688002 -0.73134992
a 1.2798854 Node 74.25143 +0.64250430 -0.64232090
e 0.3740645 Incl. 4.97293 +0.35919585 -0.22924041
P 1.45 H 24.46 G 0.15 U 7
Residuals in seconds of arc
210509 F51 0.1- 0.2- 210514 H21 0.4- 0.1+ 210514 568 0.0 0.0
210509 F51 0.2+ 0.1+ 210514 807 0.1- 0.1- 210516 F51 0.0 0.1+
210509 F51 0.2+ 0.0 210514 807 0.0 0.0 210516 F51 0.1+ 0.2-
210513 F51 0.3+ 0.0 210514 807 0.2+ 0.1- 210516 F51 0.1- 0.2-
210513 F51 0.3- 0.1+ 210514 807 0.0 0.2- 210516 F51 0.1+ 0.2-
210513 F51 0.2- 0.0 210514 568 0.0 0.0
210514 H21 0.1+ 0.4- 210514 568 0.0 0.0
Ephemeris:
2021 JE9 a,e,i = 1.28, 0.37, 5 q = 0.8011
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 17 18 52 21.4 +17 01 12 0.09512 1.0216 98.1 76.6 22.1
...
2021 05 02 16 52 00.1 -00 25 15 0.1279 1.1130 143.4 32.7 21.6
...
2021 05 10 16 11 35.9 -06 26 05 0.1598 1.1619 160.8 16.6 21.7
...
2021 05 16 15 49 31.1 -09 38 15 0.1896 1.1980 169.6 8.8 21.8
2021 05 17 15 46 25.8 -10 05 12 0.1950 1.2040 170.4 8.0 21.9
2021 05 18 15 43 29.9 -10 30 54 0.2006 1.2100 171.0 7.5 21.9
...
2021 05 24 15 28 54.6 -12 42 50 0.2365 1.2453 168.6 9.2 22.4
...
2021 06 01 15 16 13.1 -14 54 20 0.2910 1.2912 160.0 15.6 23.2
...
2021 06 16 15 07 34.0 -17 45 08 0.4120 1.3726 144.6 25.4 24.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-K13
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