MPEC 2021-K19 : 2021 JJ9
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M.P.E.C. 2021-K19 Issued 2021 May 17, 07:31 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 JJ9
Observations:
K21J09J*KC2021 05 15.09634 14 04 57.53 -39 42 35.1 19.6 GVEK019W94
K21J09J KC2021 05 15.10193 14 04 58.07 -39 42 35.9 19.7 GVEK019W94
K21J09J KC2021 05 15.10749 14 04 58.59 -39 42 37.3 19.2 GVEK019W94
K21J09J KC2021 05 15.15037 14 05 02.55 -39 42 43.1 VEK019W95
K21J09J KC2021 05 15.15568 14 05 03.04 -39 42 43.8 VEK019W95
K21J09J KC2021 05 15.16096 14 05 03.55 -39 42 44.5 19.2 GVEK019W95
K21J09J |C2021 05 16.18471 14 07 06.88 -39 44 41.1 20.1 GVEK019807
K21J09J |C2021 05 16.18655 14 07 07.07 -39 44 41.3 19.9 GVEK019807
K21J09J |C2021 05 16.18840 14 07 07.26 -39 44 41.4 19.9 GVEK019807
K21J09J KC2021 05 16.20619 14 07 08.83 -39 44 47.0 18.8 GVEK019W95
K21J09J KC2021 05 16.21148 14 07 09.38 -39 44 47.2 18.4 GVEK019W95
K21J09J KC2021 05 16.21675 14 07 09.91 -39 44 47.3 18.4 GVEK019W95
K21J09J KC2021 05 16.48711 14 07 46.73 -39 45 05.5 19.4 VqEK019E23
K21J09J KC2021 05 16.50100 14 07 48.11 -39 45 08.3 20.3 VqEK019E23
K21J09J KC2021 05 16.51488 14 07 49.45 -39 45 09.2 20.4 VqEK019E23
K21J09J KC2021 05 17.17249 14 09 13.30 -39 46 03.9 19.3 GVEK019W95
K21J09J KC2021 05 17.17775 14 09 13.86 -39 46 04.0 19.6 GVEK019W95
K21J09J KC2021 05 17.18306 14 09 14.41 -39 46 03.6 19.4 GVEK019W95
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A.
Maury, G. Attard, D. Parrott. 0.28-m f/2.2 Schmidt + CCD.
W95 Observatorio Panameno, San Pedro de Atacama. Observers A. Maury, G.
Attard, J. Fabrega. Measurers A. Maury, G. Attard, D. Parrott. 0.40-m
f/3.8 reflector + CCD.
Orbital elements:
2021 JJ9 Earth MOID = 0.1332 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 294.22586 (2000.0) P Q
n 0.37648615 Peri. 338.48103 -0.23222899 +0.96834121
a 1.8994887 Node 277.99894 -0.87836435 -0.24922097
e 0.3966580 Incl. 5.30568 -0.41778675 -0.01428979
P 2.62 H 21.99 G 0.15 U 9
Residuals in seconds of arc
210515 W94 0.2- 0.1+ 210516 807 0.0 0.0 210516 E23 0.8+ 1.3+
210515 W94 0.1+ 0.3+ 210516 807 0.0 0.1- 210516 E23 0.1- 0.1+
210515 W94 0.1+ 0.1- 210516 807 0.0 0.1- 210516 E23 1.3- 0.5+
210515 W95 0.1- 0.3+ 210516 W95 0.0 0.1+ 210517 W95 0.3+ 0.3-
210515 W95 0.1- 0.2+ 210516 W95 0.1+ 0.1- 210517 W95 0.2+ 0.4-
210515 W95 0.1+ 0.0 210516 W95 0.1- 0.2- 210517 W95 0.1- 0.0
Ephemeris:
2021 JJ9 a,e,i = 1.90, 0.40, 5 q = 1.1460
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 17 13 40 30.9 -35 09 57 0.2798 1.2633 155.2 19.5 20.7
...
2021 05 02 13 47 44.7 -38 18 58 0.2194 1.2096 154.6 20.9 20.1
...
2021 05 10 13 56 25.5 -39 21 36 0.1945 1.1868 153.3 22.5 19.9
...
2021 05 16 14 06 45.0 -39 44 15 0.1789 1.1727 152.5 23.5 19.7
2021 05 17 14 08 51.7 -39 45 40 0.1766 1.1706 152.4 23.6 19.7
2021 05 18 14 11 05.6 -39 46 21 0.1743 1.1686 152.3 23.7 19.6
...
2021 05 24 14 27 08.7 -39 33 33 0.1620 1.1583 152.2 24.1 19.5
...
2021 06 01 14 55 40.2 -38 22 03 0.1495 1.1493 153.1 23.5 19.3
...
2021 06 16 16 04 41.6 -32 39 06 0.1412 1.1477 157.6 19.7 19.0
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-K19
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