MPEC 2021-N11 : 2021 NC
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M.P.E.C. 2021-N11 Issued 2021 July 2, 12:54 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 NC
Observations:
K21N00C*KC2021 07 01.15447 19 35 58.19 -42 44 15.9 19.9 GVEN011W94
K21N00C KC2021 07 01.16017 19 35 55.42 -42 42 02.9 18.7 GVEN011W94
K21N00C KC2021 07 01.16585 19 35 52.71 -42 39 49.5 18.7 GVEN011W94
K21N00C KC2021 07 01.30928 19 34 43.05 -41 43 07.5 18.7 GVEN011W95
K21N00C KC2021 07 01.31446 19 34 40.62 -41 41 04.1 18.8 GVEN011W95
K21N00C KC2021 07 01.31965 19 34 38.24 -41 38 59.6 VEN011W95
K21N00C KC2021 07 01.37814819 34 36.09 -41 14 14.3 19.3 GVEN011474
K21N00C KC2021 07 01.37915219 34 35.70 -41 13 51.3 19.2 GVEN011474
K21N00C KC2021 07 01.37965519 34 35.48 -41 13 39.7 19.2 GVEN011474
K21N00C KC2021 07 01.38116219 34 34.86 -41 13 04.9 19.2 GVEN011474
K21N00C KC2021 07 01.39743 19 34 03.74 -41 07 46.4 18.5 GVEN011W95
K21N00C KC2021 07 01.40262 19 34 01.63 -41 05 41.6 18.0 GVEN011W95
K21N00C KC2021 07 01.40780 19 33 59.46 -41 03 36.7 18.6 GVEN011W95
K21N00C KC2021 07 01.60332119 32 59.73 -39 47 15.2 19.2 GVEN011474
K21N00C KC2021 07 01.60432319 32 59.29 -39 46 51.7 19.2 GVEN011474
K21N00C KC2021 07 01.60582919 32 58.66 -39 46 16.3 18.8 GVEN011474
K21N00C KC2021 07 01.60633219 32 58.42 -39 46 04.5 19.6 GVEN011474
K21N00C KC2021 07 02.06163819 30 36.44 -36 52 13.9 19.7 GXEN011Y00
K21N00C KC2021 07 02.06425319 30 35.38 -36 51 16.2 19.6 GXEN011Y00
K21N00C KC2021 07 02.06677719 30 34.40 -36 50 18.6 19.4 GXEN011Y00
K21N00C KC2021 07 02.29067 19 29 10.42 -35 25 58.2 19.5 GVEN011W95
K21N00C KC2021 07 02.29588 19 29 08.44 -35 24 00.9 18.6 GVEN011W95
K21N00C KC2021 07 02.30111 19 29 06.40 -35 22 01.1 18.4 GVEN011W95
K21N00C KC2021 07 02.49180519 28 20.62 -34 10 08.1 19.0 GVEN011474
K21N00C KC2021 07 02.49230819 28 20.44 -34 09 56.8 19.3 GVEN011474
K21N00C KC2021 07 02.49381419 28 19.90 -34 09 23.8 19.3 GVEN011474
K21N00C KC2021 07 02.49431619 28 19.71 -34 09 12.8 19.5 GVEN011474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 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.
Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J.
Barros. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD.
Orbital elements:
2021 NC Earth MOID = 0.0441 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 34.37319 (2000.0) P Q
n 0.67782471 Peri. 306.96346 -0.61840075 +0.74334425
a 1.2834859 Node 282.83231 -0.61193927 -0.65906400
e 0.2296583 Incl. 15.16037 -0.49306271 -0.11434144
P 1.45 H 24.97 G 0.15 U 8
Residuals in seconds of arc
210701 W94 0.1+ 1.1- 210701 474 0.7- 1.2+ 210702 Y00 0.3- 2.0-
210701 W94 0.3+ 1.4- 210701 W95 0.2- 1.7+ 210702 Y00 0.0 0.9-
210701 W94 0.9+ 0.9- 210701 W95 0.5+ 1.1+ 210702 W95 0.3+ 0.3+
210701 W95 0.2+ 2.6+ 210701 W95 0.2+ 0.9+ 210702 W95 0.7+ 0.8-
210701 W95 0.1+ 1.9+ 210701 474 0.3+ 0.5- 210702 W95 0.2+ 0.2+
210701 W95 0.4+ 1.9+ 210701 474 0.2+ 0.4- 210702 474 0.1+ 0.1-
210701 474 0.6- 1.1+ 210701 474 0.4+ 0.3- 210702 474 0.0 0.1+
210701 474 0.4- 1.0+ 210701 474 0.2+ 0.6- 210702 474 0.0 0.1+
210701 474 0.6- 1.0+ 210702 Y00 0.1- 1.2- 210702 474 0.2- 0.0
Ephemeris:
2021 NC a,e,i = 1.28, 0.23, 15 q = 0.9887
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 06 02 06 28 05.9 -54 27 51 0.1477 0.9994 80.1 91.5 24.1
...
2021 06 17 05 44 54.9 -70 15 04 0.08090 1.0242 93.6 81.9 22.4
...
2021 06 25 21 58 59.5 -79 04 48 0.05158 1.0425 119.1 58.4 20.7
...
2021 07 01 19 36 53.2 -43 44 52 0.04517 1.0582 156.2 22.8 19.5
2021 07 02 19 30 48.1 -37 15 21 0.04626 1.0609 162.6 16.7 19.3
2021 07 03 19 25 55.2 -31 07 02 0.04795 1.0637 168.3 11.2 19.2
...
2021 07 09 19 09 25.9 -04 49 06 0.06741 1.0812 162.4 16.5 20.2
...
2021 07 17 19 00 56.1 +10 15 07 0.1056 1.1062 146.7 30.3 21.6
...
2021 08 01 18 58 34.4 +18 22 51 0.1890 1.1568 135.2 38.2 23.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-N11
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