[Iaude] MPEC M28: 2021 NA6 [a=2.09,e=0.40,i=5.1,H=23.32]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Wed Jun 19 10:14:13 EDT 2024
M.P.E.C. 2024-M28 Issued 2024 June 19, 14:12 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 NA6
Revision to MPEC 2021-N133
Additional Observations:
K21N06A KC2024 06 15.37851418 06 44.790-03 50 52.80 21.03GVEM028I52
K21N06A KC2024 06 15.38703318 06 45.080-03 50 42.10 VEM028I52
K21N06A KC2024 06 15.39556718 06 45.490-03 50 32.10 VEM028I52
K21N06A KC2024 06 15.41785518 06 46.560-03 50 03.90 21.96GVEM028I52
K21N06A KC2024 06 17.31709018 08 35.714-03 11 40.63 VEM028I52
K21N06A KC2024 06 17.33031918 08 36.316-03 11 24.72 21.1 GVEM028I52
K21N06A KC2024 06 17.34394018 08 36.952-03 11 08.56 21.0 GVEM028I52
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observers J. K. Hogan, G. J.
Leonard. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D.
C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A.
Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchos, D. Parrott. 1.0-m prime focus + CCD, 1.00-m
f/2.0 prime focus + CCD + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240615 I52 0.38- 0.02- 240617 I52 0.38- 0.03- E2024-G17 -0.00 days
Orbital elements:
2021 NA6 Earth MOID = 0.2486 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 325.77743 (2000.0) P Q
n 0.32583854 Peri. 77.26927 +0.33541812 +0.94083917
a 2.0915476 Node 212.45703 -0.89539334 +0.30250157
e 0.4047418 Incl. 5.14521 -0.29285739 +0.15269073
P 3.02 H 23.32 G 0.15 U 1
Residuals in seconds of arc
210711 F51 0.0 0.1- 210714 H21 0.2- 0.9+ 210812 F51 0.0 0.2-
210711 F51 0.1+ 0.1- 210719 H21 0.3- 0.3+ 210812 F51 (0.4- 0.1-)
210711 F51 0.1- 0.1+ 210719 H21 0.4- 0.0 210829 H21 0.0 0.5+
210712 568 0.1+ 0.1- 210719 H21 0.3- 0.0 210829 H21 0.4- 0.2+
210712 568 0.0 0.1- 210802 H21 0.2+ 0.6+ 240615 I52 (1.1+ 0.0 )
210712 568 0.0 0.1- 210802 H21 0.1+ 0.4+ 240615 I52 0.4- 0.2+
210713 F51 0.0 0.2- 210802 H21 0.0 0.2+ 240615 I52 0.2- 0.4-
210713 F51 0.4+ 0.2- 210803 H21 0.3+ 1.2+ 240615 I52 0.2+ 0.3+
210713 F51 0.1+ 0.1- 210803 H21 0.1+ 0.9+ 240617 I52 0.1+ 0.2+
210714 H21 0.1- 0.9+ 210812 F51 0.1+ 0.1+ 240617 I52 0.1+ 0.3+
210714 H21 0.5- 0.6+ 210812 F51 0.1- 0.0 240617 I52 0.4+ 0.1+
Ephemeris:
2021 NA6 a,e,i = 2.09, 0.40, 5 q = 1.2450
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 05 20 17 39 16.7 -12 59 03 0.3726 1.3531 152.4 20.3 22.8
...
2024 06 04 17 55 46.8 -07 53 46 0.3066 1.3043 158.3 16.7 22.2
...
2024 06 12 18 03 33.1 -05 01 09 0.2825 1.2835 159.2 16.3 22.0
...
2024 06 18 18 09 14.6 -02 57 51 0.2691 1.2707 158.8 16.8 21.9
2024 06 19 18 10 11.8 -02 38 19 0.2673 1.2688 158.7 16.9 21.9
2024 06 20 18 11 09.3 -02 19 09 0.2655 1.2670 158.5 17.1 21.9
...
2024 06 26 18 17 01.7 -00 33 22 0.2571 1.2575 157.2 18.3 21.8
...
2024 07 04 18 25 22.9 +01 15 54 0.2513 1.2489 154.9 20.2 21.8
...
2024 07 19 18 44 06.8 +02 36 49 0.2557 1.2459 150.9 23.3 21.9
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-M28
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