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
2017-03-22 08:07:10 C 10 25 30.016 +06 31 16.52 L F51
2017-03-22 08:25:21 C 10 25 29.163 +06 31 21.78 L F51
2017-03-24 20:57:25 C 10 23 12.991 +06 47 00.36 U J04
2017-03-24 21:13:17 C 10 23 12.411 +06 47 04.08 U J04
2017-03-24 21:29:09 C 10 23 11.827 +06 47 07.81 U J04
2017-03-27 04:56:50 C 10 21 32.84 +06 58 59.4 q G96
2017-03-27 05:07:07 C 10 21 32.55 +06 59 01.8 q G96
2017-03-27 05:13:13 C 10 21 32.35 +06 59 03.1 q G96
2017-03-27 05:19:20 C 10 21 32.12 +06 59 04.1 q G96
2019-04-03 10:51:30 C 13 11 34.870 -11 23 40.91 U F51
2019-04-03 11:08:30 C 13 11 33.447 -11 23 33.09 U F51
2019-04-03 11:25:28 C 13 11 32.031 -11 23 25.15 U F51
2019-04-03 11:42:25 C 13 11 30.616 -11 23 16.88 U F51
2019-04-06 09:33:38 C 13 05 52.919 -10 50 27.39 U F51
2019-04-06 09:51:33 C 13 05 51.455 -10 50 19.29 U F51
2019-04-06 10:09:27 C 13 05 49.990 -10 50 10.81 U F51
2019-04-06 10:27:23 C 13 05 48.509 -10 50 02.36 U F51
2019-04-06 10:29:44 C 13 05 48.335 -10 50 01.32 U F51
2019-04-06 11:05:05 C 13 05 45.432 -10 49 44.45 U F51
2019-04-06 11:22:45 C 13 05 43.972 -10 49 36.06 U F51