4954 Eric (1990 SQ)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4493640870 ± 2.73e-09
Semi-major axis (a)2.0013783818 AU ± 2.52e-10
Inclination (i)17.42720107° ± 2.28e-07
Long. of Asc. Node (Ω)358.39636619° ± 7.59e-07
Arg. of Perihelion (ω)52.62294448° ± 7.90e-07
Mean Anomaly (M)127.17485143° ± 3.08e-07
Mean Motion (n)0.3481115793°/day ± 6.58e-11
Perihelion dist (q)1.10203081 AU ± 5.47e-09
Aphelion dist (Q)2.90072595 AU ± 5.48e-09
Orbital Period2.83135162 yr ± 5.35e-10
Physical Parameters
H (abs. magnitude)12.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.070″
Uncertainty0
Orbit TypeAmor
MOID0.193195 AU
Observations Used6261
Gaia Obs Used292
Oppositions27
Arc Total1975-2026
First Observation Used1975-06-07
Last Observation Used2026-04-08
Observations (7184)
Date Type RA Dec Mag Band Observatory
2008-04-01 22:34:56 C 07 42 56.56 +34 11 52.3 r 084
2008-04-01 22:44:49 C 07 42 57.49 +34 11 46.9 c J34
2008-04-01 23:15:26 C 07 43 00.32 +34 11 19.6 c J34
2008-04-01 23:33:18 C 07 43 01.99 +34 11 03.4 c J34
2008-04-02 18:28:22 C 07 44 48.51 +33 54 27.4 r 084
2008-04-02 18:30:34 C 07 44 48.70 +33 54 25.5 r 084
2008-04-02 20:26:10 C 07 44 59.37 +33 52 44.1 r 084
2008-04-03 19:01:49 C 07 47 05.39 +33 33 06.3 r 084
2008-04-03 21:51:47 C 07 47 20.94 +33 30 40.4 o 204
2008-04-03 22:15:29 C 07 47 23.17 +33 30 17.5 r 084
2008-04-03 22:17:43 C 07 47 23.38 +33 30 15.3 r 084
2008-04-03 22:23:37 C 07 47 23.86 +33 30 12.6 o 204
2008-04-03 23:02:25 C 07 47 27.41 +33 29 38.6 o 204
2008-04-04 18:27:44 C 07 49 15.05 +33 12 55.1 r 084
2008-04-04 18:29:57 C 07 49 15.26 +33 12 53.1 r 084
2008-04-04 21:13:59 C 07 49 30.17 +33 10 31.5 r 084
2008-04-04 21:55:27 C 07 49 33.97 +33 09 55.6 r 084
2008-04-04 22:36:40 C 07 49 37.72 +33 09 20.0 r 084
2008-04-04 22:38:52 C 07 49 37.92 +33 09 18.1 r 084
2008-04-05 19:40:19 C 07 51 33.37 +32 51 23.1 r 084
2008-04-05 19:42:31 C 07 51 33.57 +32 51 21.2 r 084
2008-04-15 19:09:05 C 08 12 38.80 +29 36 11.1 r 084
2008-04-15 19:54:54 C 08 12 42.67 +29 35 35.0 r 084
2008-04-16 00:18:33 C 08 13 05.07 +29 32 09.3 c J93
2008-04-16 00:22:07 C 08 13 05.36 +29 32 06.7 c J93
2008-04-16 00:25:41 C 08 13 05.66 +29 32 03.8 c J93
2008-04-16 03:33:19 C 08 13 21.82 +29 29 41.8 r 703
2008-04-16 03:45:55 C 08 13 22.80 +29 29 30.3 r 703
2008-04-16 03:58:27 C 08 13 23.84 +29 29 20.4 r 703
2008-04-16 04:11:08 C 08 13 24.88 +29 29 10.4 r 703
2008-04-16 20:35:58 C 08 14 48.50 +29 16 21.3 r 084
2008-04-16 21:19:21 C 08 14 52.16 +29 15 47.2 r 084
2008-04-16 21:54:46 C 08 14 55.16 +29 15 19.5 r 084
2008-04-16 21:56:59 C 08 14 55.35 +29 15 17.6 r 084
2008-04-17 03:17:58 C 08 15 22.60 +29 11 13.4 15.5 c 704
2008-04-17 03:33:21 C 08 15 23.89 +29 11 01.0 15.8 c 704
2008-04-17 03:48:46 C 08 15 25.16 +29 10 49.2 15.6 c 704
2008-04-17 04:04:16 C 08 15 26.46 +29 10 37.0 15.5 c 704
2008-04-17 04:19:43 C 08 15 27.73 +29 10 25.0 15.5 c 704
2008-04-21 20:05:13 C 08 24 47.22 +27 45 23.0 r 084
2008-04-21 20:07:25 C 08 24 47.39 +27 45 21.3 r 084
2008-04-22 20:00:01 C 08 26 45.07 +27 27 34.4 r 084
2008-04-22 21:44:26 C 08 26 53.58 +27 26 16.6 r 084
2008-04-22 21:46:40 C 08 26 53.77 +27 26 14.7 r 084
2008-04-23 21:54:20 C 08 28 52.01 +27 08 24.7 r 084
2008-04-23 21:56:32 C 08 28 52.19 +27 08 23.2 r 084
2008-04-24 19:28:11 C 08 30 37.21 +26 52 35.6 r 084
2008-04-24 21:01:35 C 08 30 44.76 +26 51 26.7 r 084
2008-04-24 21:43:48 C 08 30 48.18 +26 50 55.7 r 084
2008-04-24 21:46:00 C 08 30 48.35 +26 50 54.0 r 084