504680 (2009 EO2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4807630428 ± 1.73e-08
Semi-major axis (a)1.7119863637 AU ± 1.72e-09
Inclination (i)11.47771862° ± 4.77e-06
Long. of Asc. Node (Ω)264.62965225° ± 1.02e-05
Arg. of Perihelion (ω)220.61831209° ± 1.14e-05
Mean Anomaly (M)178.79267491° ± 3.90e-06
Mean Motion (n)0.4400092683°/day ± 6.64e-10
Perihelion dist (q)0.88892659 AU ± 2.96e-08
Aphelion dist (Q)2.53504614 AU ± 2.97e-08
Orbital Period2.24001255 yr ± 3.38e-09
Physical Parameters
H (abs. magnitude)19.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.282″
Uncertainty0
Orbit TypeApollo
MOID0.013428 AU
Observations Used171
Oppositions4
Arc Total2009-2017
First Observation Used2009-03-05
Last Observation Used2017-12-21
Observations (180)
Date Type RA Dec Mag Band Observatory
2017-12-09 00:46:45 S 23 41 11.89 +22 17 22.9 L C51
2017-12-09 03:55:15 S 23 40 55.32 +22 06 16.4 L C51
2017-12-09 05:29:30 S 23 40 47.10 +22 00 42.4 L C51
2017-12-09 07:03:45 S 23 40 38.72 +21 55 06.1 L C51
2017-12-09 08:38:01 S 23 40 30.44 +21 49 29.1 L C51
2017-12-09 11:46:31 S 23 40 13.83 +21 38 10.9 L C51
2017-12-09 20:01:48 C 23 39 29.17 +21 07 44.6 q 160
2017-12-09 20:04:47 C 23 39 28.84 +21 07 33.7 q 160
2017-12-09 20:07:46 C 23 39 28.56 +21 07 22.6 q 160
2017-12-12 06:42:31 C 23 34 13.20 +17 16 50.2 U T05
2017-12-12 06:50:27 C 23 34 12.35 +17 16 16.6 U T05
2017-12-12 07:00:37 C 23 34 11.28 +17 15 32.5 U T05
2017-12-12 07:13:26 C 23 34 09.90 +17 14 38.0 U T05
2017-12-14 02:36:24 C 23 30 09.17 +14 01 18.0 U 703
2017-12-14 02:44:00 C 23 30 08.33 +14 00 42.3 U 703
2017-12-14 02:51:34 C 23 30 07.49 +14 00 07.0 U 703
2017-12-14 02:59:09 C 23 30 06.62 +13 59 31.1 U 703
2017-12-15 03:29:16 C 23 27 44.15 +12 01 04.9 U 703
2017-12-15 03:36:56 C 23 27 43.25 +12 00 26.7 U 703
2017-12-15 03:44:35 C 23 27 42.40 +11 59 48.6 U 703
2017-12-15 03:52:14 C 23 27 41.57 +11 59 09.9 U 703
2017-12-17 19:24:48 C 23 21 09.53 +06 17 03.3 q 160
2017-12-17 19:27:51 C 23 21 09.14 +06 16 46.1 q 160
2017-12-17 19:30:55 C 23 21 08.79 +06 16 28.0 q 160
2017-12-20 19:26:17 C 23 12 43.08 -01 16 56.0 q 160
2017-12-20 19:29:15 C 23 12 42.65 -01 17 15.5 q 160
2017-12-20 19:32:12 C 23 12 42.20 -01 17 35.4 q 160
2017-12-21 18:59:34 C 23 09 38.30 -04 01 33.3 q 160
2017-12-21 19:01:22 C 23 09 38.04 -04 01 46.2 q 160
2017-12-21 19:03:22 C 23 09 37.81 -04 02 00.0 q 160