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
2011-03-22 21:18:07 C 10 27 15.92 +17 12 37.5 c A24
2011-03-22 22:36:27 C 10 27 12.13 +17 12 09.9 u 160
2011-03-22 22:37:38 C 10 27 12.07 +17 12 09.0 u 160
2011-03-22 22:38:54 C 10 27 12.02 +17 12 08.4 u 160
2011-03-23 19:55:05 C 10 26 14.84 +17 04 32.1 c A24
2011-03-23 19:56:08 C 10 26 14.80 +17 04 31.7 c A24
2011-03-23 20:20:22 C 10 26 13.69 +17 04 23.1 c A24
2011-03-23 20:45:19 C 10 26 12.55 +17 04 14.2 c A24
2011-03-23 21:09:55 C 10 26 11.43 +17 04 05.5 c A24
2011-03-23 21:10:58 C 10 26 11.38 +17 04 05.1 c A24
2011-03-23 22:07:33 C 10 26 08.85 +17 03 43.6 o J16
2011-03-23 22:24:57 C 10 26 08.06 +17 03 37.4 o J16
2011-03-23 22:34:23 C 10 26 07.63 +17 03 33.8 o J16
2011-03-23 22:44:51 C 10 26 07.17 +17 03 30.1 o J16
2011-03-24 20:57:16 C 10 25 10.00 +16 55 30.7 c A53
2011-03-24 21:09:31 C 10 25 09.50 +16 55 26.2 c A53
2011-03-24 21:34:17 C 10 25 08.39 +16 55 17.4 c A53
2011-03-24 21:51:19 C 10 25 07.66 +16 55 11.3 c A53
2011-03-25 03:25:01 C 10 24 53.96 +16 53 10.3 r 703
2011-03-25 03:34:54 C 10 24 53.56 +16 53 07.2 r 703
2011-03-25 03:44:53 C 10 24 53.17 +16 53 03.9 r 703
2011-03-25 03:54:50 C 10 24 52.70 +16 53 00.2 r 703
2011-03-25 21:55:22 C 10 24 08.53 +16 46 25.5 c A24
2011-03-25 21:56:25 C 10 24 08.49 +16 46 25.1 c A24
2011-03-25 22:14:42 C 10 24 07.74 +16 46 18.3 c A24
2011-03-25 22:34:01 C 10 24 06.94 +16 46 11.1 c A24
2011-03-25 22:52:20 C 10 24 06.17 +16 46 04.4 c A24
2011-03-25 22:53:21 C 10 24 06.14 +16 46 04.0 c A24
2011-03-28 05:39:16 C 10 22 02.92 +16 25 55.4 15.0 c 704
2011-03-28 05:56:56 C 10 22 02.26 +16 25 48.4 15.2 c 704
2011-03-28 06:15:09 C 10 22 01.58 +16 25 41.9 15.3 c 704
2011-03-28 06:32:47 C 10 22 00.84 +16 25 35.3 16.0 c 704
2011-03-28 06:50:22 C 10 22 00.23 +16 25 28.6 15.3 c 704
2011-03-31 21:58:24 C 10 19 15.43 +15 52 45.9 c A24
2011-03-31 21:59:26 C 10 19 15.39 +15 52 45.6 c A24
2011-03-31 22:17:47 C 10 19 14.86 +15 52 38.5 c A24
2011-03-31 22:37:10 C 10 19 14.29 +15 52 31.3 c A24
2011-03-31 22:55:30 C 10 19 13.74 +15 52 24.0 c A24
2011-03-31 22:56:32 C 10 19 13.71 +15 52 23.6 c A24
2011-04-01 21:34:15 C 10 18 37.15 +15 43 48.6 c A24
2011-04-01 21:35:18 C 10 18 37.11 +15 43 48.3 c A24
2011-04-01 21:53:40 C 10 18 36.62 +15 43 41.1 c A24
2011-04-01 22:13:05 C 10 18 36.08 +15 43 33.7 c A24
2011-04-01 22:31:28 C 10 18 35.57 +15 43 26.7 c A24
2011-04-01 22:32:30 C 10 18 35.54 +15 43 26.3 c A24
2011-04-02 20:08:32 C 10 18 03.08 +15 35 13.0 a 233
2011-04-02 20:16:09 C 10 18 02.89 +15 35 10.1 a 233
2011-04-02 20:24:26 C 10 18 02.67 +15 35 06.9 a 233
2011-04-02 21:56:32 C 10 18 00.34 +15 34 31.6 c A24
2011-04-02 21:57:34 C 10 18 00.31 +15 34 31.3 c A24