MPEC 2021-N16 : 2021 NF
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M.P.E.C. 2021-N16 Issued 2021 July 3, 17:05 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 NF
Observations:
K21N00F*KC2021 07 02.15655 19 43 16.91 -41 33 57.1 18.1 GVEN016W94
K21N00F KC2021 07 02.16228 19 43 12.41 -41 31 57.7 18.2 GVEN016W94
K21N00F KC2021 07 02.16802 19 43 07.84 -41 29 57.5 18.0 GVEN016W94
K21N00F KC2021 07 02.24745 19 42 03.95 -41 01 33.5 18.4 GVEN016W95
K21N00F KC2021 07 02.25266 19 41 59.69 -40 59 38.5 18.4 GVEN016W95
K21N00F KC2021 07 02.25790 19 41 55.50 -40 57 43.7 17.9 GVEN016W95
K21N00F KC2021 07 02.36405919 41 02.94 -40 15 25.9 18.6 GVEN016474
K21N00F KC2021 07 02.36495019 41 02.31 -40 15 06.5 18.5 GVEN016474
K21N00F KC2021 07 02.36584119 41 01.67 -40 14 47.0 18.2 GVEN016474
K21N00F KC2021 07 02.36673119 41 01.05 -40 14 27.7 18.2 GVEN016474
K21N00F KC2021 07 02.50595519 39 15.84 -39 22 16.0 18.3 GVEN016474
K21N00F KC2021 07 02.50661319 39 15.31 -39 22 00.6 18.3 GVEN016474
K21N00F KC2021 07 02.50727319 39 14.79 -39 21 45.4 18.3 GVEN016474
K21N00F KC2021 07 02.50825819 39 14.00 -39 21 22.4 18.6 GVEN016474
K21N00F KC2021 07 02.51444 19 39 15.67 -39 19 21.4 18.6 VqEN016E23
K21N00F KC2021 07 02.52965 19 39 03.64 -39 13 31.5 18.2 VqEN016E23
K21N00F KC2021 07 02.54354 19 38 52.55 -39 08 08.4 18.2 VqEN016E23
K21N00F KC2021 07 02.90524 19 34 39.35 -36 37 42.9 18.2 GVEN016L81
K21N00F KC2021 07 02.90840 19 34 36.70 -36 36 21.5 18.1 GVEN016L81
K21N00F KC2021 07 02.91150 19 34 34.09 -36 35 00.8 17.9 GVEN016L81
K21N00F KC2021 07 03.04008119 33 05.89 -35 37 01.7 18.2 GXEN016Y00
K21N00F KC2021 07 03.04111719 33 05.03 -35 36 34.0 17.7 GXEN016Y00
K21N00F KC2021 07 03.04215319 33 04.15 -35 36 05.9 17.9 GXEN016Y00
K21N00F KC2021 07 03.23505 19 30 25.67 -34 05 35.5 18.0 GVEN016W95
K21N00F KC2021 07 03.24021 19 30 21.12 -34 03 04.9 17.9 GVEN016W95
K21N00F KC2021 07 03.24539 19 30 16.54 -34 00 32.3 17.9 GVEN016W95
K21N00F KC2021 07 03.28549 19 29 41.30 -33 40 44.3 17.8 GVEN016W95
K21N00F KC2021 07 03.29066 19 29 36.78 -33 38 09.1 17.9 GVEN016W95
K21N00F KC2021 07 03.29583 19 29 32.29 -33 35 34.2 17.7 GVEN016W95
K21N00F KC2021 07 03.56260919 26 20.11 -31 16 58.5 18.2 GVEN016474
K21N00F KC2021 07 03.56293819 26 19.82 -31 16 47.9 18.2 GVEN016474
K21N00F KC2021 07 03.56424819 26 18.68 -31 16 05.9 18.1 GVEN016474
K21N00F KC2021 07 03.56490519 26 18.11 -31 15 44.8 18.0 GVEN016474
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.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
L81 Skygems Namibia Remote Observatory. Observer N. Paul. 0.5-m f/6.8
Corrected Dall-Kirkham + 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 NF Earth MOID = 0.0189 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 285.23740 (2000.0) P Q
n 0.90729814 Peri. 95.64401 +0.90411277 -0.30688047
a 1.0567430 Node 282.50212 +0.15579703 +0.88469337
e 0.1772799 Incl. 17.73112 +0.39787860 +0.35091596
P 1.09 H 24.91 G 0.15 U 7
Residuals in seconds of arc
210702 W94 (2.4+ 5.1-) 210702 474 0.0 0.4- 210703 Y00 0.1+ 0.2-
210702 W94 (2.5+ 5.0-) 210702 474 0.0 0.5- 210703 W95 0.1+ 0.2-
210702 W94 (2.1+ 4.6-) 210702 474 0.1- 0.4- 210703 W95 0.1+ 0.4-
210702 W95 0.1+ 0.4- 210702 E23 0.2- 1.5+ 210703 W95 0.1- 0.4+
210702 W95 0.5- 0.4+ 210702 E23 0.1- 0.1+ 210703 W95 0.1- 0.2-
210702 W95 0.1- 0.1- 210702 E23 0.1+ 0.1- 210703 W95 0.1- 0.1+
210702 474 0.1+ 0.3- 210702 L81 0.3+ 0.3+ 210703 W95 0.1+ 0.3-
210702 474 0.1+ 0.4- 210702 L81 0.3+ 0.2- 210703 474 0.1- 0.0
210702 474 0.0 0.3- 210702 L81 0.2+ 0.1- 210703 474 0.1- 0.1+
210702 474 0.2+ 0.4- 210703 Y00 0.3+ 0.4- 210703 474 0.0 0.1-
210702 474 0.2+ 0.5- 210703 Y00 0.3+ 0.5- 210703 474 0.1+ 0.1+
Ephemeris:
2021 NF a,e,i = 1.06, 0.18, 18 q = 0.8694
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 06 03 21 06 25.2 -68 00 24 0.2057 1.1302 119.6 51.3 23.6
...
2021 06 18 21 03 25.2 -65 31 20 0.1149 1.0898 127.5 47.7 22.2
...
2021 06 26 20 33 43.0 -59 37 34 0.06763 1.0667 136.7 40.8 20.8
...
2021 07 02 19 44 51.2 -42 27 11 0.03505 1.0490 156.8 22.4 18.8
2021 07 03 19 33 20.5 -35 55 04 0.03049 1.0460 163.7 15.8 18.3
2021 07 04 19 20 40.4 -27 10 24 0.02654 1.0430 172.2 7.6 17.7
...
2021 07 10 17 40 03.0 +49 06 10 0.02957 1.0250 105.5 73.0 19.9
...
2021 07 18 15 06 02.8 +72 34 06 0.07099 1.0009 75.5 100.6 22.8
...
2021 08 02 12 26 44.8 +75 05 24 0.1550 0.9572 64.0 107.6 24.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-N16
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