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
2004-11-30 08:43:15 C 21 04 28.40 -16 26 38.1 r 379
2004-11-30 08:48:12 C 21 04 28.95 -16 26 33.0 r 379
2004-11-30 08:49:50 C 21 04 29.09 -16 26 31.2 r 379
2004-11-30 08:53:08 C 21 04 29.45 -16 26 27.6 r 379
2004-11-30 08:54:48 C 21 04 29.62 -16 26 26.2 r 379
2004-12-01 09:01:02 C 21 07 00.83 -16 00 52.5 r 379
2004-12-01 09:02:40 C 21 07 00.95 -16 00 50.9 r 379
2004-12-01 09:04:20 C 21 07 01.17 -16 00 49.1 r 379
2004-12-01 09:07:37 C 21 07 01.51 -16 00 45.3 r 379
2004-12-01 09:09:17 C 21 07 01.64 -16 00 43.6 r 379
2004-12-01 09:10:55 C 21 07 01.80 -16 00 41.6 r 379
2004-12-01 09:12:35 C 21 07 01.98 -16 00 40.3 r 379
2004-12-02 01:28:00 C 21 08 44.40 -15 43 18.5 d 703
2004-12-02 01:40:32 C 21 08 45.70 -15 43 05.4 d 703
2004-12-02 01:53:04 C 21 08 47.02 -15 42 51.8 d 703
2004-12-02 02:05:38 C 21 08 48.30 -15 42 38.5 d 703
2004-12-02 08:42:37 C 21 09 30.16 -15 35 33.0 r 379
2004-12-02 08:44:15 C 21 09 30.36 -15 35 31.2 r 379
2004-12-02 08:45:55 C 21 09 30.53 -15 35 30.1 r 379
2004-12-02 08:54:10 C 21 09 31.34 -15 35 21.0 r 379
2004-12-02 08:55:48 C 21 09 31.55 -15 35 19.3 r 379
2004-12-03 09:00:24 C 21 12 04.00 -15 09 23.8 r 379
2004-12-03 09:02:02 C 21 12 04.15 -15 09 21.4 r 379
2004-12-03 09:06:20 C 21 12 04.61 -15 09 17.3 r 379
2004-12-03 09:07:58 C 21 12 04.78 -15 09 15.0 r 379
2004-12-03 09:09:38 C 21 12 04.93 -15 09 13.6 r 379
2004-12-03 09:12:55 C 21 12 05.27 -15 09 09.7 r 379
2004-12-06 08:40:38 C 21 19 42.09 -13 51 01.5 r 379
2004-12-06 08:42:18 C 21 19 42.25 -13 50 59.5 r 379
2004-12-06 08:43:56 C 21 19 42.44 -13 50 57.6 r 379
2004-12-06 08:45:36 C 21 19 42.61 -13 50 55.6 r 379
2004-12-06 08:47:15 C 21 19 42.77 -13 50 54.1 r 379
2004-12-06 08:53:51 C 21 19 43.47 -13 50 46.7 r 379
2004-12-08 08:47:21 C 21 24 53.12 -12 57 24.2 r 379
2004-12-08 08:50:39 C 21 24 53.51 -12 57 20.6 r 379
2004-12-08 08:52:17 C 21 24 53.67 -12 57 18.5 r 379
2004-12-09 01:46:43 C 21 26 43.61 -12 38 17.1 d 703
2004-12-09 01:55:56 C 21 26 44.59 -12 38 06.9 d 703
2004-12-09 02:05:10 C 21 26 45.59 -12 37 55.9 d 703
2004-12-09 02:14:28 C 21 26 46.58 -12 37 45.3 d 703
2004-12-11 08:41:01 C 21 32 43.29 -11 35 48.0 r 379
2004-12-11 08:42:39 C 21 32 43.49 -11 35 46.0 r 379
2004-12-11 08:44:19 C 21 32 43.66 -11 35 44.5 r 379
2004-12-11 08:45:57 C 21 32 43.85 -11 35 42.4 r 379
2004-12-15 08:57:13 C 21 43 22.98 -09 43 43.9 r 379
2004-12-15 09:00:31 C 21 43 23.34 -09 43 40.4 r 379
2004-12-15 09:02:09 C 21 43 23.53 -09 43 38.5 r 379
2004-12-15 09:05:28 C 21 43 23.88 -09 43 34.2 r 379
2004-12-17 18:33:32 C 21 49 51.09 -08 35 12.9 o 493
2004-12-17 18:46:39 C 21 49 52.66 -08 34 56.6 o 493