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
2004-07-31 01:15:10 C 19 33 28.96 -51 53 20.2 r 859
2004-07-31 01:23:27 C 19 33 28.23 -51 53 18.7 r 859
2004-07-31 01:35:26 C 19 33 27.07 -51 53 16.8 r 859
2004-08-23 23:38:47 C 18 53 55.12 -47 52 56.3 834
2004-08-24 00:00:01 C 18 53 54.26 -47 52 43.3 834
2004-08-24 00:21:42 C 18 53 53.38 -47 52 30.3 834
2004-08-24 00:43:45 C 18 53 52.49 -47 52 16.9 834
2004-08-25 00:56:25 C 18 53 00.33 -47 37 23.0 834
2004-08-25 01:11:11 C 18 52 59.77 -47 37 13.9 834
2004-08-25 01:37:11 C 18 52 58.81 -47 36 57.5 834
2004-08-25 02:40:26 C 18 52 56.47 -47 36 17.8 834
2004-08-25 02:58:56 C 18 52 55.79 -47 36 06.2 834
2004-08-26 00:21:59 C 18 52 14.04 -47 22 45.3 834
2004-08-26 00:51:53 C 18 52 13.01 -47 22 26.4 834
2004-08-26 01:11:32 C 18 52 12.33 -47 22 14.1 834
2004-08-27 12:29:32 C 18 51 10.13 -46 59 47.3 r E17
2004-08-27 13:06:30 C 18 51 09.19 -46 59 22.6 r E17
2004-08-27 13:43:33 C 18 51 07.88 -46 58 58.3 r E17
2004-08-30 22:39:27 C 18 49 20.50 -46 06 01.9 r 859
2004-08-30 22:51:09 C 18 49 20.30 -46 05 53.9 r 859
2004-08-30 23:06:26 C 18 49 19.98 -46 05 43.5 r 859
2004-08-30 23:14:11 C 18 49 19.79 -46 05 38.1 r 859
2004-08-30 23:24:38 C 18 49 19.61 -46 05 32.1 r 859
2004-09-02 22:20:36 C 18 48 23.09 -45 17 37.8 r 859
2004-09-02 22:31:40 C 18 48 22.96 -45 17 30.4 r 859
2004-09-02 22:40:50 C 18 48 22.85 -45 17 23.9 r 859
2004-09-02 22:53:26 C 18 48 22.70 -45 17 14.4 r 859
2004-09-02 23:01:20 C 18 48 22.64 -45 17 10.8 r 859
2004-09-05 22:09:23 C 18 48 00.29 -44 28 04.6 r 859
2004-09-05 22:20:19 C 18 48 00.24 -44 27 57.2 r 859
2004-09-05 22:33:34 C 18 48 00.19 -44 27 47.9 r 859
2004-09-05 22:44:45 C 18 48 00.13 -44 27 40.1 r 859
2004-09-13 00:18:55 C 18 49 17.02 -42 27 40.5 834
2004-09-13 00:34:43 C 18 49 17.24 -42 27 29.0 834
2004-09-13 01:03:25 C 18 49 17.63 -42 27 08.0 834
2004-09-23 22:50:25 C 18 56 37.62 -39 17 29.6 r I77
2004-09-23 23:05:21 C 18 56 38.06 -39 17 19.6 r I77
2004-09-30 00:29:18 C 19 03 04.17 -37 30 29.8 c 844
2004-09-30 00:47:23 C 19 03 05.03 -37 30 16.2 c 844
2004-09-30 01:08:13 C 19 03 06.05 -37 30 00.6 c 844
2004-09-30 01:49:59 C 19 03 08.01 -37 29 28.9 c 844
2004-11-10 23:05:49 C 20 18 17.85 -24 02 37.3 r I77
2004-11-10 23:14:16 C 20 18 18.71 -24 02 29.5 r I77
2004-11-10 23:20:02 C 20 18 19.22 -24 02 24.0 r I77
2004-11-10 23:25:29 C 20 18 19.87 -24 02 18.7 r I77
2004-11-12 10:32:34 C 20 21 37.69 -23 30 15.3 r E12
2004-11-12 10:44:51 C 20 21 38.84 -23 30 03.9 r E12
2004-11-12 10:57:08 C 20 21 39.99 -23 29 52.4 r E12
2004-11-12 11:09:25 C 20 21 41.13 -23 29 41.0 r E12
2004-11-30 08:41:35 C 21 04 28.24 -16 26 40.0 r 379