[Iaude] MPEC C61: 2009 EQ2 [a=2.41,e=0.50,i=6.5,H=20.74]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue Feb 6 09:10:43 EST 2024
M.P.E.C. 2024-C61 Issued 2024 February 6, 14:09 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
2009 EQ2
Revision to MPEC 2009-E49
Additional Observations:
K09E02Q C2024 01 20.63337511 40 16.329-05 01 05.50 21.77GVEC061F52
K09E02Q C2024 01 20.64181111 40 17.238-05 01 10.61 21.85GVEC061F52
K09E02Q C2024 01 20.65026911 40 18.110-05 01 15.34 21.12GVEC061F52
K09E02Q KC2024 02 05.49567212 10 23.174-07 16 19.16 21.24GVEC061V06
K09E02Q KC2024 02 05.49885312 10 23.495-07 16 20.68 21.38GVEC061V06
K09E02Q KC2024 02 05.50203112 10 23.880-07 16 21.94 21.48GVEC061V06
K09E02Q KC2024 02 05.50520812 10 24.258-07 16 23.34 21.52GVEC061V06
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. 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. 1.55-m
reflector + 1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240120 F52 0.13+ 0.04+ 240205 V06 0.17+ 0.05+ MPO164340 +0.14 days
Orbital elements:
2009 EQ2 Earth MOID = 0.2051 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 301.63999 (2000.0) P Q
n 0.26361720 Peri. 40.25396 -0.81636852 +0.57744604
a 2.4089080 Node 174.98687 -0.55477245 -0.77930514
e 0.5032310 Incl. 6.52168 -0.16053026 -0.24339179
P 3.74 H 20.74 G 0.15 U 0
Residuals in seconds of arc
090307 G96 0.5+ 0.2- 090409 H55 0.1+ 0.3- 090520 H45 0.1- 0.1-
090307 G96 0.3+ 0.1- 090409 H55 0.1+ 0.2- 090520 H45 0.3+ 0.3-
090307 G96 1.1- 0.2- 090417 H55 0.0 0.1+ 090520 H45 0.1- 0.0
090307 G96 0.1- 0.0 090417 H55 0.1+ 0.1- 090520 H45 0.2- 0.2-
090307 G96 0.5- 0.3- 090417 H55 0.0 0.1- 090525 118 0.2+ 0.2-
090307 G96 0.2- 0.2- 090417 H55 0.0 0.1+ 090525 118 0.0 0.4-
090307 G96 0.1+ 0.5- 090417 H55 0.1- 0.0 090530 H45 0.4+ 0.2-
090307 G96 0.1+ 0.4- 090417 H55 0.0 0.3+ 090530 H45 0.2+ 0.2-
090307 G96 0.4- 0.3- 090419 703 0.4- 0.4+ 090530 H45 0.1+ 0.2-
090307 595 0.2+ 0.0 090419 703 0.7- 0.5+ 090530 H45 0.1+ 0.2-
090308 595 0.7+ 0.3- 090419 703 0.8+ 0.7- 090530 H45 0.4+ 0.2-
090308 595 0.3+ 0.9- 090419 703 0.1+ 0.2- 090530 H45 0.0 0.1+
090308 473 0.9+ 0.3- 090423 J13 0.2- 0.0 090603 448 0.4+ 0.5-
090308 473 1.1+ 0.4- 090423 J13 0.1- 0.3+ 090603 448 0.1- 0.3-
090308 G96 0.3+ 0.4+ 090423 J13 0.0 0.2+ 090603 448 0.1- 0.3-
090308 G96 0.4- 0.0 090423 J13 0.5+ 0.2- 090611 448 0.3+ 0.3+
090315 691 0.2+ 0.1- 090426 703 0.5- 0.2+ 090611 448 0.5+ 0.3+
090315 691 0.6- 0.4- 090426 703 0.8+ 0.6+ 090611 448 1.6+ 0.4+
090315 691 0.5- 0.0 090426 703 0.7- 0.1+ 090613 A13 0.2+ 0.1-
090316 J95 0.0 0.6+ 090426 703 0.4- 0.7+ 090613 A13 0.0 0.1-
090316 J95 0.7- 0.6+ 090510 H55 0.5- 0.4+ 090615 691 0.3- 0.0
090316 J95 0.2+ 0.0 090510 H55 0.4- 0.2+ 090615 691 0.5- 0.1-
090319 691 0.3- 0.3+ 090510 H55 0.2+ 0.0 090615 691 0.3- 0.1+
090319 691 0.2- 0.3+ 090516 691 0.4- 0.2- 090714 H55 0.4+ 0.2+
090319 691 0.3- 0.1- 090516 691 0.3- 0.3- 090714 H55 0.1+ 0.2+
090328 448 0.0 0.0 090516 691 0.3- 0.0 090714 H55 0.1+ 0.8-
090328 448 0.3+ 0.1- 090516 A13 0.1+ 0.3+ 090724 H55 (0.3- 1.0+)
090328 448 0.2+ 0.3+ 090516 A13 0.1- 0.3+ 090724 H55 0.3- 0.0
090331 D29 0.8+ 0.4+ 090519 H45 1.0+ 1.1+ 090724 H55 0.1+ 0.4+
090401 H45 0.0 0.5- 090519 H45 0.7+ 0.1- 240120 F52 0.1- 0.0
090401 H45 0.2- 0.2+ 090519 H45 0.7+ 0.3- 240120 F52 0.2+ 0.2-
090401 H45 0.6+ 0.1- 090519 H45 0.1- 0.1- 240120 F52 0.1- 0.0
090401 H45 0.3+ 0.0 090519 H45 0.3+ 0.5+ 240205 V06 0.3+ 0.2+
090401 H45 0.3+ 0.3- 090519 H45 0.0 0.0 240205 V06 0.4- 0.0
090401 H45 0.7+ 0.1+ 090520 H45 0.4+ 0.1- 240205 V06 0.1- 0.0
090409 H55 0.3+ 0.0 090520 H45 0.2+ 0.0 240205 V06 0.2+ 0.0
Ephemeris:
2009 EQ2 a,e,i = 2.41, 0.50, 7 q = 1.1967
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 01 07 11 15 53.2 -02 40 28 0.9481 1.6265 114.7 33.3 23.1
...
2024 01 22 11 42 46.6 -05 14 07 0.7588 1.5335 122.7 32.7 22.4
...
2024 01 30 11 57 44.6 -06 25 55 0.6682 1.4858 126.9 32.0 22.1
...
2024 02 05 12 09 24.3 -07 12 38 0.6051 1.4512 130.1 31.3 21.8
2024 02 06 12 11 23.6 -07 19 41 0.5951 1.4455 130.6 31.2 21.7
2024 02 07 12 13 23.6 -07 26 30 0.5851 1.4399 131.1 31.1 21.7
...
2024 02 13 12 25 43.2 -08 01 51 0.5280 1.4069 134.1 30.2 21.4
...
2024 02 21 12 43 13.7 -08 31 33 0.4590 1.3653 138.1 28.9 21.0
...
2024 03 07 13 20 40.0 -08 14 02 0.3524 1.2965 144.9 26.1 20.2
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-C61
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