[Iaude] MPEC N99: 2021 NW1 [a=2.00,e=0.57,i=9.4,H=21.53]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Mon Jul 8 10:15:55 EDT 2024
M.P.E.C. 2024-N99 Issued 2024 July 8, 14:14 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 NW1
Revision to MPEC 2021-N66
Additional Observations:
K21N01W 0C2024 07 05.58808203 02 58.372+07 44 00.80 23.50GVEN099T14
K21N01W 0C2024 07 05.59114303 02 59.351+07 44 05.48 23.75GVEN099T14
K21N01W 0C2024 07 05.59420203 03 00.314+07 44 10.04 23.40GVEN099T14
K21N01W 0C2024 07 06.59421603 08 21.030+08 09 07.99 23.41GVEN099T14
K21N01W 0C2024 07 06.59727403 08 21.994+08 09 12.60 23.66GVEN099T14
K21N01W 0C2024 07 06.60033503 08 22.970+08 09 17.22 23.28GVEN099T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer H. Januszewski.
Measurer D. J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels
Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240705 T14 0.06+ 0.03+ 240706 T14 0.06+ 0.03+ MPO650448 +0.04 days
Orbital elements:
2021 NW1 PHA, Earth MOID = 0.0049 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 313.67865 (2000.0) P Q
n 0.34840961 Peri. 310.92795 +0.80901045 -0.56477707
a 2.0002117 Node 84.07179 +0.57642252 +0.70804970
e 0.5748760 Incl. 9.42479 +0.11506155 +0.42390150
P 2.83 H 21.53 G 0.15 U 0
Residuals in seconds of arc
210706 F51 0.1- 0.1+ 210713 F51 0.1+ 0.0 210811 807 0.1+ 0.0
210706 F51 0.0 0.1+ 210728 807 0.0 0.4- 210811 807 0.5- 0.3-
210706 F51 0.1+ 0.1+ 210728 807 0.3+ 0.4+ 210818 E10 0.1- 0.1-
210706 F51 0.0 0.1- 210728 807 0.3+ 0.2- 210818 E10 0.0 0.1-
210706 F51 0.1+ 0.2+ 210729 807 0.6- 0.4- 210818 E10 0.1+ 0.2-
210707 F51 0.0 0.2- 210729 807 0.2- 0.2+ 210829 807 0.1- 0.4+
210707 F51 0.0 0.1+ 210729 807 0.2+ 0.1- 210829 807 0.1+ 0.2+
210707 F51 0.0 0.3- 210729 E10 0.2+ 0.2- 210829 807 0.3- 0.1-
210707 F51 0.1+ 0.1- 210729 E10 0.1+ 0.2- 240705 T14 0.1+ 0.0
210708 F51 0.0 0.1- 210729 E10 0.1+ 0.2- 240705 T14 0.1+ 0.0
210708 F51 0.1+ 0.1- 210729 E10 0.0 0.0 240705 T14 0.1- 0.1-
210708 F51 0.1- 0.0 210730 807 0.1+ 0.1- 240706 T14 0.1+ 0.1-
210708 F51 0.1+ 0.0 210730 807 0.3- 0.2+ 240706 T14 0.0 0.0
210713 F51 0.1+ 0.1+ 210730 807 0.0 0.2- 240706 T14 0.1- 0.0
210713 F51 0.2- 0.0 210811 807 0.2- 0.0
Ephemeris:
2021 NW1 a,e,i = 2.00, 0.57, 9 q = 0.8503
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 06 08 00 44 51.8 -04 00 12 1.1048 1.2009 68.9 52.0 24.1
...
2024 06 23 01 57 11.8 +02 17 11 1.0204 1.0792 64.0 57.8 23.8
...
2024 07 01 02 38 36.9 +05 46 48 1.0023 1.0194 60.6 60.4 23.7
...
2024 07 07 03 10 30.6 +08 19 13 1.0012 0.9781 58.0 61.8 23.7
2024 07 08 03 15 52.1 +08 43 48 1.0020 0.9716 57.5 62.0 23.7
2024 07 09 03 21 14.2 +09 08 07 1.0031 0.9653 57.1 62.2 23.7
...
2024 07 15 03 53 32.4 +11 26 47 1.0157 0.9298 54.5 62.8 23.6
...
2024 07 23 04 36 29.7 +14 07 52 1.0467 0.8910 51.2 62.6 23.6
...
2024 08 07 05 54 46.2 +17 38 55 1.1386 0.8521 46.2 59.2 23.6
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-N99
More information about the Iaude
mailing list