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
2010-12-11 18:25:45 S 11 55 26.544 +24 19 40.22 L C51
2010-12-11 21:36:06 S 11 55 36.90 +24 18 24.5 L C51
2010-12-12 03:27:50 C 11 55 56.10 +24 16 02.0 r 106
2010-12-12 03:43:07 C 11 55 56.88 +24 15 55.9 r 106
2010-12-12 03:58:23 C 11 55 57.67 +24 15 49.9 r 106
2010-12-12 04:13:38 C 11 55 58.48 +24 15 44.0 r 106
2011-01-01 08:04:04 C 12 12 35.37 +21 50 28.2 m I28
2011-01-01 08:14:57 C 12 12 35.49 +21 50 26.2 m I28
2011-01-01 08:26:11 C 12 12 35.62 +21 50 24.0 m I28
2011-01-13 01:32:07 C 12 12 34.33 +21 08 33.0 r J75
2011-01-13 01:47:21 C 12 12 34.08 +21 08 31.5 r J75
2011-01-13 02:02:37 C 12 12 33.83 +21 08 30.1 r J75
2011-01-14 11:09:38 C 12 12 01.97 +21 05 25.0 u H10
2011-01-14 11:20:42 C 12 12 01.75 +21 05 24.1 u H10
2011-01-14 11:31:44 C 12 12 01.52 +21 05 23.1 u H10
2011-01-14 11:51:48 C 12 12 01.12 +21 05 21.3 u H10
2011-01-15 10:35:10 C 12 11 35.70 +21 03 25.0 r 703
2011-01-15 10:45:33 C 12 11 35.44 +21 03 24.2 r 703
2011-01-15 10:55:57 C 12 11 35.23 +21 03 23.4 r 703
2011-01-15 11:06:24 C 12 11 34.98 +21 03 22.4 r 703
2011-01-16 03:13:08 C 12 11 14.83 +21 02 04.3 w B19
2011-01-16 03:14:49 C 12 11 14.78 +21 02 04.3 w B19
2011-01-16 03:16:31 C 12 11 14.74 +21 02 04.0 w B19
2011-01-17 23:39:40 C 12 10 11.03 +20 58 52.9 v 204
2011-01-17 23:54:40 C 12 10 10.61 +20 58 52.2 v 204
2011-01-18 00:14:40 C 12 10 10.06 +20 58 51.0 v 204
2011-01-18 00:29:39 C 12 10 09.64 +20 58 50.0 v 204
2011-01-18 00:44:40 C 12 10 09.22 +20 58 49.3 v 204
2011-01-19 16:18:06 C 12 09 01.66 +20 56 28.0 o 300
2011-01-19 16:19:05 C 12 09 01.62 +20 56 28.7 o 300
2011-01-19 16:20:02 C 12 09 01.54 +20 56 28.6 o 300
2011-01-19 16:21:57 C 12 09 01.51 +20 56 28.2 o 300
2011-01-19 16:22:54 C 12 09 01.48 +20 56 27.7 o 300
2011-01-21 19:01:04 C 12 07 20.10 +20 53 59.3 o 300
2011-01-21 19:02:32 C 12 07 20.08 +20 53 59.3 o 300
2011-01-21 19:04:00 C 12 07 20.03 +20 53 59.4 o 300
2011-01-21 19:06:56 C 12 07 19.96 +20 53 59.3 o 300
2011-01-22 01:44:34 C 12 07 05.80 +20 53 40.2 w B19
2011-01-22 01:45:40 C 12 07 05.77 +20 53 39.9 w B19
2011-01-22 01:46:48 C 12 07 05.70 +20 53 40.0 w B19
2011-01-24 14:52:13 C 12 04 40.27 +20 51 24.9 o 300
2011-01-24 14:53:39 C 12 04 40.21 +20 51 24.4 o 300
2011-01-24 15:05:20 C 12 04 39.75 +20 51 24.6 o 300
2011-01-25 17:58:39 C 12 03 27.83 +20 50 37.5 o 300
2011-01-25 18:00:06 C 12 03 27.76 +20 50 37.3 o 300
2011-01-25 18:01:34 C 12 03 27.68 +20 50 37.2 o 300
2011-01-25 18:05:55 C 12 03 27.46 +20 50 37.1 o 300
2011-01-26 09:16:00 C 12 02 45.30 +20 50 12.7 H10
2011-01-26 09:25:36 C 12 02 44.82 +20 50 12.6 H10
2011-01-26 09:34:20 C 12 02 44.39 +20 50 12.4 H10