484506 (2008 ER7)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6239135176 ± 5.75e-08
Semi-major axis (a)1.4865319966 AU ± 6.69e-09
Inclination (i)2.23713024° ± 4.48e-06
Long. of Asc. Node (Ω)323.39307629° ± 5.09e-05
Arg. of Perihelion (ω)81.06687638° ± 4.94e-05
Mean Anomaly (M)335.41873219° ± 1.31e-05
Mean Motion (n)0.5438146260°/day ± 3.67e-09
Perihelion dist (q)0.55906459 AU ± 8.56e-08
Aphelion dist (Q)2.41399940 AU ± 8.62e-08
Orbital Period1.81243063 yr ± 1.22e-08
Physical Parameters
H (abs. magnitude)20.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.278″
Uncertainty0
Orbit TypeApollo
MOID0.001060 AU
Observations Used210
Oppositions5
Arc Total2008-2019
First Observation Used2008-03-06
Last Observation Used2019-04-06
Observations (220)
Date Type RA Dec Mag Band Observatory
2008-03-06 08:03:57 C 12 44 02.53 -08 05 52.7 o 691
2008-03-06 08:30:47 C 12 43 59.29 -08 05 35.9 o 691
2008-03-06 08:57:33 C 12 43 56.17 -08 05 18.2 o 691
2008-03-06 23:16:03 C 12 42 18.01 -07 56 19.0 o 246
2008-03-06 23:18:09 C 12 42 17.87 -07 56 17.7 o 246
2008-03-06 23:19:54 C 12 42 17.61 -07 56 17.2 o 246
2008-03-06 23:22:10 C 12 42 17.32 -07 56 14.6 o 246
2008-03-06 23:26:07 C 12 42 16.89 -07 56 13.1 o 246
2008-03-06 23:27:38 C 12 42 16.74 -07 56 12.5 o 246
2008-03-07 07:58:31 C 12 41 18.20 -07 50 45.3 r G96
2008-03-07 08:06:31 C 12 41 17.19 -07 50 39.8 r G96
2008-03-07 08:14:24 C 12 41 16.29 -07 50 35.0 r G96
2008-03-07 08:22:17 C 12 41 15.39 -07 50 30.2 r G96
2008-03-07 09:10:11 C 12 41 09.71 -07 49 59.3 o 291
2008-03-07 09:15:48 C 12 41 09.00 -07 49 54.9 o 291
2008-03-08 09:47:53 C 12 38 20.26 -07 34 12.4 o 291
2008-03-08 10:08:05 C 12 38 17.90 -07 33 59.2 o 291
2008-03-08 10:13:28 C 12 38 17.27 -07 33 56.1 o 291
2008-03-09 07:56:16 C 12 35 48.71 -07 19 53.4 o 291
2008-03-09 08:01:40 C 12 35 48.05 -07 19 50.1 o 291
2008-03-09 08:07:28 C 12 35 47.35 -07 19 46.4 o 291
2008-03-10 09:11:06 C 12 32 55.69 -07 03 26.5 o 291
2008-03-10 09:16:30 C 12 32 55.07 -07 03 23.1 o 291
2008-03-10 09:41:37 C 12 32 52.08 -07 03 06.4 o 291
2008-03-11 06:36:56 C 12 30 29.72 -06 49 10.3 o 809
2008-03-11 06:39:03 C 12 30 29.46 -06 49 08.8 o 809
2008-03-11 06:41:55 C 12 30 29.13 -06 49 07.0 o 809
2008-03-11 06:44:14 C 12 30 28.86 -06 49 05.5 o 809
2008-03-11 06:46:24 C 12 30 28.60 -06 49 04.1 o 809
2008-03-11 06:48:33 C 12 30 28.36 -06 49 02.7 o 809
2008-03-11 06:50:45 C 12 30 28.10 -06 49 01.2 o 809
2008-03-11 06:52:52 C 12 30 27.85 -06 48 59.7 o 809
2008-03-11 06:55:05 C 12 30 27.59 -06 48 58.3 o 809
2008-03-11 06:57:28 C 12 30 27.32 -06 48 56.7 o 809
2008-03-11 07:00:20 C 12 30 27.51 -06 49 08.3 o 291
2008-03-11 07:06:38 C 12 30 26.25 -06 48 50.7 o 809
2008-03-11 07:08:50 C 12 30 25.99 -06 48 49.3 o 809
2008-03-11 07:10:16 C 12 30 26.37 -06 49 01.9 o 291
2008-03-11 07:18:33 C 12 30 25.41 -06 48 56.2 o 291
2008-03-12 10:34:41 C 12 27 20.26 -06 31 00.5 o 291
2008-03-12 10:41:07 C 12 27 19.48 -06 30 56.2 o 291
2008-03-12 10:47:27 C 12 27 18.77 -06 30 51.9 o 291
2008-03-15 06:48:10 C 12 19 47.58 -05 46 04.3 o 291
2008-03-15 06:53:40 C 12 19 46.91 -05 46 00.1 o 291
2008-03-15 07:01:33 C 12 19 46.06 -05 45 55.1 o 291
2008-03-19 08:47:55 C 12 09 24.47 -04 42 27.4 o H01
2008-03-19 08:53:40 C 12 09 23.85 -04 42 23.8 o H01
2008-03-19 08:59:28 C 12 09 23.25 -04 42 20.2 o H01
2008-03-25 06:37:33 C 11 55 45.54 -03 15 24.8 o 291
2008-03-25 06:42:54 C 11 55 45.03 -03 15 21.2 o 291