MPEC 2021-C299 : 2021 CW7
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M.P.E.C. 2021-C299 Issued 2021 February 14, 05:04 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 CW7
Observations:
K21C07W C2021 02 12.35470909 17 15.384+21 59 18.34 21.45GVEC299F51
K21C07W C2021 02 12.36694909 17 11.954+21 59 49.16 21.31GVEC299F51
K21C07W* C2021 02 13.95361 09 19 17.34 +24 11 58.0 18.4 RoEC299K88
K21C07W C2021 02 13.95431 09 19 16.95 +24 12 09.8 18.3 RoEC299K88
K21C07W C2021 02 13.95507 09 19 16.63 +24 12 20.6 18.5 RoEC299K88
K21C07W IC2021 02 13.98021409 19 16.75 +24 21 20.1 19.4 GVEC299L01
K21C07W bC2021 02 13.98125209 19 16.23 +24 21 37.3 19.2 GVEC299L01
K21C07W bC2021 02 13.98228509 19 15.68 +24 21 54.5 19.2 GVEC299L01
K21C07W bC2021 02 13.98330809 19 15.16 +24 22 11.9 19.8 GVEC299L01
K21C07W KC2021 02 13.98454209 19 15.31 +24 22 06.6 19.0 GVEC299595
K21C07W bC2021 02 13.98472409 19 14.35 +24 22 37.0 19.7 GVEC299L01
K21C07W C2021 02 13.98502 09 19 01.82 +24 20 25.1 18.5 RoEC299K88
K21C07W C2021 02 13.98555 09 19 01.59 +24 20 34.4 18.7 RoEC299K88
K21C07W C2021 02 13.98609 09 19 01.33 +24 20 42.2 18.8 RoEC299K88
K21C07W C2021 02 13.98663 09 19 01.07 +24 20 51.5 18.7 RoEC299K88
K21C07W C2021 02 13.98716 09 19 00.80 +24 21 00.8 18.8 RoEC299K88
K21C07W KC2021 02 13.98996209 19 12.46 +24 23 39.5 18.8 GVEC299595
K21C07W KC2021 02 13.99538409 19 09.55 +24 25 12.5 18.7 GVEC299595
K21C07W KC2021 02 14.00063409 19 06.74 +24 26 43.6 19.1 GVEC299595
K21C07W KC2021 02 14.02354409 19 27.03 +24 35 35.8 19.2 GVEC299I93
K21C07W KC2021 02 14.02492009 19 26.21 +24 36 02.8 19.1 GVEC299I93
K21C07W KC2021 02 14.02629609 19 25.45 +24 36 29.2 18.8 GVEC299I93
K21C07W KC2021 02 14.08653509 18 34.58 +24 54 04.9 18.9 GVEC299204
K21C07W KC2021 02 14.09750709 18 30.13 +24 57 49.7 VEC299204
K21C07W C2021 02 14.12797 09 18 11.97 +25 04 18.5 18.4 RoEC299K88
K21C07W C2021 02 14.12905 09 18 11.88 +25 04 40.6 18.6 RoEC299K88
K21C07W |C2021 02 14.14501 09 21 56.84 +26 32 53.3 19.3 VuEC299807
K21C07W |C2021 02 14.14999 09 21 53.64 +26 36 14.2 19.5 VuEC299807
K21C07W |C2021 02 14.15248 09 21 52.00 +26 37 55.1 18.7 VuEC299807
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
595 Farra d'Isonzo. Observers S. Aschi, E. Pettarin. Measurer S. Aschi.
0.40-m f/5.15 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I93 St Pardon de Conques. Observers F. Losse, W. D'Anna. Measurer F. Losse.
0.40-m f/3.7 reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2021 CW7 Earth MOID = 0.0002 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 276.77573 (2000.0) P Q
n 0.74711858 Peri. 245.30372 -0.84945295 +0.52754365
a 1.2028451 Node 326.53267 -0.47642536 -0.77598570
e 0.2872675 Incl. 1.17274 -0.22682277 -0.34575120
P 1.32 H 31.01 G 0.15 U 6
Residuals in seconds of arc
210212 F51 0.1+ 0.0+ 210213 L01 0.1+ 0.6+ 210214 I93 0.1- 0.5+
210212 F51 0.1- 0.0- 210213 K88 0.4- 0.7- 210214 I93 0.1+ 0.4+
210213 K88 0.0+ 0.3- 210213 K88 0.1+ 0.1- 210214 204 0.2- 0.0-
210213 K88 0.6- 0.4+ 210213 K88 0.2+ 1.2- 210214 204 0.0+ 0.3+
210213 K88 0.1+ 0.9- 210213 K88 0.3+ 0.8- 210214 K88 0.5- 0.1+
210213 L01 0.5- 0.5+ 210213 K88 0.1+ 0.2- 210214 K88 0.8- 1.0-
210213 L01 0.1+ 0.0+ 210213 595 0.5+ 0.2+ 210214 807 0.5- 0.4-
210213 L01 0.2+ 0.3- 210213 595 0.3+ 0.1- 210214 807 0.1+ 0.2+
210213 L01 0.6+ 0.4- 210214 595 0.1+ 0.2+ 210214 807 0.4+ 0.1+
210213 595 0.0+ 0.1- 210214 I93 0.4+ 0.1-
Ephemeris:
2021 CW7 a,e,i = 1.20, 0.29, 1 q = 0.8573
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 15 09 12 39.5 +20 33 17 0.1533 1.1289 159.9 17.4 28.1
...
2021 01 30 09 15 46.1 +20 49 45 0.07394 1.0585 173.2 6.4 26.0
...
2021 02 07 09 16 09.8 +21 07 47 0.03564 1.0217 174.1 5.7 24.3
...
2021 02 13 09 17 19.0 +22 26 01 0.0078300.9950 168.7 11.2 21.2
2021 02 14 09 19 49.3 +24 43 32 0.0032090.9906 166.4 13.6 19.3
2021 02 15 21 30 36.0 -33 27 21 0.0015690.9863 21.4 158.6 27.5
...
2021 02 21 21 41 37.1 -40 43 11 0.02925 0.9640 31.1 148.0 31.3
...
2021 03 01 21 42 57.7 -40 18 33 0.06675 0.9373 35.6 142.0 32.1
...
2021 03 16 21 51 04.5 -37 49 41 0.1407 0.8991 44.2 129.6 32.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-C299
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