MPEC 2023-F56 : 2008 EA8
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M.P.E.C. 2023-F56 Issued 2023 March 19, 14:06 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2008 EA8
Revision to MPEC 2008-E68
Additional Observations:
K08E08A C2011 04 03.43753613 02 32.276-09 17 38.85 22.42GVEF056F51
K08E08A C2011 04 03.44015713 02 31.757-09 17 35.53 22.02GVEF056F51
K08E08A C2011 04 03.45143013 02 29.420-09 17 21.49 22.83GVEF056F51
K08E08A C2011 04 03.45406113 02 28.912-09 17 18.10 22.47GVEF056F51
K08E08A C2011 04 03.46727313 02 26.242-09 17 01.06 22.07GVEF056F51
K08E08A C2011 04 03.48115613 02 23.362-09 16 43.46 22.97GVEF056F51
K08E08A C2012 04 16.39494113 24 34.289-10 51 10.94 22.44GVEF056F51
K08E08A C2012 04 16.40815013 24 31.124-10 50 51.73 20.48GVEF056F51
K08E08A C2012 04 16.42135613 24 27.987-10 50 32.94 21.16GVEF056F51
K08E08A C2012 04 16.43460113 24 24.848-10 50 13.81 23.97GVEF056F51
K08E08A C2013 05 04.37408713 39 33.709-11 08 42.27 20.41GVEF056F51
K08E08A C2013 05 04.39043913 39 26.800-11 08 00.70 21.23GVEF056F51
K08E08A C2013 05 04.40676413 39 19.816-11 07 18.62 20.94GVEF056F51
K08E08A C2014 05 07.55262120 43 18.310-16 00 58.16 20.41GVEF056F51
K08E08A C2014 05 07.56496720 43 32.804-15 59 49.59 20.32GVEF056F51
K08E08A C2014 05 07.57701220 43 46.908-15 58 42.28 VEF056F51
K08E08A C2014 05 07.58957820 44 01.618-15 57 31.81 20.28GVEF056F51
K08E08A C2022 03 01.14280 05 34 01.13 +14 09 21.8 21.6 GVEF056G96
K08E08A C2022 03 01.14842 05 34 05.08 +14 09 32.8 21.4 GVEF056G96
K08E08A C2022 03 01.15404 05 34 09.01 +14 09 42.9 21.5 GVEF056G96
K08E08A C2023 03 13.19720 10 06 43.43 +05 41 41.2 22.3 GVEF056G96
K08E08A C2023 03 13.20278 10 06 42.37 +05 41 49.5 21.7 GVEF056G96
K08E08A C2023 03 13.21396 10 06 40.23 +05 42 07.4 21.7 GVEF056G96
K08E08A C2023 03 15.34323410 00 32.771+06 34 59.82 21.12GVEF056F51
K08E08A C2023 03 15.35595610 00 30.640+06 35 16.92 21.14GVEF056F51
K08E08A C2023 03 15.38190210 00 26.236+06 35 54.29 21.10GVEF056F51
K08E08A C2023 03 16.39332509 57 49.289+06 58 42.76 21.95GVEF056F51
K08E08A C2023 03 16.40397309 57 47.569+06 58 57.29 21.07GVEF056F51
K08E08A C2023 03 16.41462009 57 45.934+06 59 11.11 21.69GVEF056F51
K08E08A C2023 03 16.42521309 57 44.261+06 59 24.96 21.66GVEF056F51
K08E08A C2023 03 18.36014509 53 14.081+07 39 23.61 21.82wUEF056F51
K08E08A C2023 03 18.38144609 53 11.135+07 39 48.62 22.72wUEF056F51
K08E08A C2023 03 18.39210009 53 09.649+07 40 01.08 22.05wUEF056F51
K08E08A C2023 03 18.47850509 52 57.823+07 41 41.04 21.92GVEF056F52
K08E08A C2023 03 18.47921309 52 57.717+07 41 41.84 21.72GVEF056F52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, H. Gao,
C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers E. J. Christensen, A. Serrano. Measurers B.
Gray, D. Rankin, F. C. Shelly. 1.5-m reflector + 10K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
110403 F51 1.56- 0.61- 230318 F52 9.83- 3.46- MPO136047 -8.06 days
Orbital elements:
2008 EA8 Earth MOID = 0.0056 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 79.50878 (2000.0) P Q
n 1.05052701 Peri. 146.01810 +0.98078547 -0.19381729
a 0.9583656 Node 225.17443 +0.17129482 +0.91011204
e 0.6737835 Incl. 1.79709 +0.09336994 +0.36623889
P 0.94 H 22.34 G 0.15 U 0
Residuals in seconds of arc
080306 G96 0.3+ 0.3- 080311 809 0.6+ 0.2- 130504 F51 0.4+ 0.1-
080306 G96 0.9+ 0.4- 080311 809 0.5+ 0.2- 130504 F51 0.4- 0.2+
080306 G96 0.5+ 0.1+ 080311 809 0.7+ 0.2- 140507 F51 0.2+ 0.1+
080306 G96 1.2+ 0.6- 080311 809 0.7+ 0.3- 140507 F51 0.4+ 0.0
080306 G96 0.6+ 0.6- 080311 809 0.5+ 0.1- 140507 F51 0.1+ 0.0
080306 G96 1.0+ 0.1- 080311 809 0.7+ 0.1- 140507 F51 0.4- 0.0
080306 G96 1.3+ 0.6- 080311 809 0.6+ 0.1- 220301 G96 0.3- 0.0
080308 G96 0.2+ 0.8- 080311 809 0.6+ 0.2- 220301 G96 0.0 0.2+
080308 G96 1.2+ 0.2- 080311 809 0.7+ 0.2- 220301 G96 0.0 0.4-
080308 G96 0.7+ 0.2- 080312 291 (2.9- 2.0+) 230313 G96 0.2- 0.4+
080308 G96 0.7+ 1.0- 080312 291 1.4- 0.8+ 230313 G96 0.0 0.2-
080308 G96 1.0+ 0.2+ 080312 291 1.0+ 0.7- 230313 G96 0.3+ 0.0
080308 G96 0.6+ 0.4- 080313 291 0.9+ 0.9+ 230315 F51 0.1+ 0.1+
080308 G96 0.7+ 0.2- 080313 291 0.7+ 0.4- 230315 F51 0.5+ 0.6-
080308 G96 0.1- 0.8+ 080313 291 0.7- 0.6+ 230315 F51 0.3+ 0.5+
080310 291 0.4+ 0.7+ 110403 F51 0.3- 0.0 230316 F51 0.1+ 0.7-
080310 291 0.6- 0.8+ 110403 F51 0.0 0.0 230316 F51 0.5- 0.2-
080310 291 0.9- 1.2+ 110403 F51 0.5- 0.3- 230316 F51 0.2+ 0.3-
080311 H55 0.3+ 0.5- 110403 F51 0.1- 0.2- 230316 F51 0.2+ 0.3-
080311 H55 0.1+ 0.2- 110403 F51 0.4+ 0.0 230318 F51 0.1- 0.3-
080311 809 0.8+ 0.1- 110403 F51 0.2- 0.0 230318 F51 0.0 0.2-
080311 809 0.7+ 0.2- 120416 F51 0.1- 0.2- 230318 F51 0.2- 0.1-
080311 809 0.6+ 0.0 120416 F51 0.3- 0.0 230318 F52 0.0 0.1-
080311 809 0.6+ 0.1- 120416 F51 0.2- 0.1- 230318 F52 0.2- 0.1-
080311 H55 1.0- 0.3- 120416 F51 0.1+ 0.1-
080311 809 0.5+ 0.1- 130504 F51 0.1- 0.1+
Ephemeris:
2008 EA8 a,e,i = 0.96, 0.67, 2 q = 0.3126
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 17 12 33 04.2 -13 01 49 0.2248 1.1563 134.3 37.7 20.9
...
2023 03 04 10 44 28.1 +00 27 16 0.2937 1.2834 173.0 5.4 20.7
...
2023 03 12 10 10 33.0 +05 09 10 0.3622 1.3411 161.1 13.9 21.6
...
2023 03 18 09 54 01.8 +07 32 22 0.4233 1.3802 150.9 20.6 22.2
2023 03 19 09 51 52.6 +07 51 42 0.4341 1.3864 149.3 21.5 22.3
2023 03 20 09 49 52.4 +08 09 53 0.4451 1.3925 147.8 22.4 22.4
...
2023 03 26 09 40 40.5 +09 38 15 0.5141 1.4270 139.3 27.1 22.9
...
2023 04 03 09 34 24.0 +10 52 49 0.6124 1.4678 129.6 31.6 23.5
...
2023 04 18 09 34 36.2 +11 48 23 0.8083 1.5294 114.7 36.6 24.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F56
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