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
2017-03-19 12:03:56 C 13 19 47.879 -17 02 09.49 L F51
2017-03-19 13:00:04 C 13 19 44.83 -17 02 09.5 L T05
2017-03-19 13:20:19 C 13 19 43.70 -17 02 09.4 L T05
2017-03-19 13:41:19 C 13 19 42.56 -17 02 09.2 L T05
2017-03-19 14:01:41 C 13 19 41.47 -17 02 09.2 L T05
2017-03-20 13:44:21 C 13 18 25.35 -17 02 02.4 L T08
2017-03-20 14:05:11 C 13 18 24.20 -17 02 01.9 L T08
2017-03-20 14:26:05 C 13 18 23.05 -17 02 01.8 L T08
2017-03-20 14:47:06 C 13 18 21.92 -17 02 01.3 L T08
2017-03-21 10:35:52 C 13 17 17.873 -17 01 46.47 L F51
2017-03-21 10:53:04 C 13 17 16.829 -17 01 46.33 L F51
2017-03-21 11:10:22 C 13 17 15.857 -17 01 46.09 L F51
2017-03-21 11:27:35 C 13 17 14.893 -17 01 45.75 L F51
2017-03-23 12:52:56 C 13 14 30.87 -17 00 31.6 L T05
2017-03-23 13:14:12 C 13 14 29.65 -17 00 31.2 L T05
2017-03-23 13:37:38 C 13 14 28.32 -17 00 30.1 L T05
2017-03-23 14:01:01 C 13 14 26.99 -17 00 29.5 L T05
2017-03-24 08:11:51 C 13 13 25.96 -16 59 50.2 q 703
2017-03-24 08:19:30 C 13 13 25.53 -16 59 49.6 q 703
2017-03-24 08:27:08 C 13 13 25.09 -16 59 49.3 q 703
2017-03-24 08:34:46 C 13 13 24.65 -16 59 49.0 q 703
2017-03-26 07:36:34 C 13 10 44.16 -16 57 33.9 q 703
2017-03-26 08:57:13 C 13 10 39.42 -16 57 29.5 q 703
2017-03-26 09:08:40 C 13 10 38.75 -16 57 28.9 q 703
2017-03-26 09:18:31 C 13 10 38.17 -16 57 28.2 q 703
2017-03-27 12:20:26 C 13 09 04.695 -16 55 49.24 L F51
2017-03-27 12:34:52 C 13 09 03.837 -16 55 48.26 L F51
2017-03-27 12:49:14 C 13 09 02.986 -16 55 47.26 L F51
2017-03-27 13:03:38 C 13 09 02.134 -16 55 46.35 L F51
2017-03-28 11:55:39 C 13 07 42.638 -16 54 12.28 L F51
2017-03-28 12:12:29 C 13 07 41.625 -16 54 10.95 L F51
2017-03-28 12:29:15 C 13 07 40.644 -16 54 09.56 L F51
2017-03-28 12:46:03 C 13 07 39.629 -16 54 08.53 L F51
2017-03-29 21:25:00 C 13 05 45.63 -16 51 38.2 108
2017-03-29 21:29:36 C 13 05 45.37 -16 51 38.0 108
2017-03-29 21:34:05 C 13 05 45.11 -16 51 37.6 108
2017-03-30 12:32:03 C 13 04 52.19 -16 50 19.4 L T08
2017-03-30 12:53:15 C 13 04 50.93 -16 50 17.7 L T08
2017-03-30 13:14:32 C 13 04 49.65 -16 50 15.6 L T08
2017-03-30 13:35:50 C 13 04 48.37 -16 50 13.7 L T08
2017-04-03 12:14:45 C 12 59 14.63 -16 40 42.0 L T08
2017-04-03 12:36:43 C 12 59 13.30 -16 40 39.4 L T08
2017-04-03 12:59:30 C 12 59 11.94 -16 40 36.7 L T08
2017-04-03 13:21:34 C 12 59 10.62 -16 40 34.0 L T08
2017-04-04 01:07:44 C 12 58 29.28 -16 39 14.8 t 510
2017-04-04 01:18:23 C 12 58 28.65 -16 39 13.6 t 510
2017-04-04 01:29:03 C 12 58 27.99 -16 39 12.4 t 510
2017-04-04 01:39:42 C 12 58 27.37 -16 39 10.7 t 510
2017-04-06 07:17:00 C 12 55 19.23 -16 32 33.3 q G96
2017-04-06 07:23:08 C 12 55 18.87 -16 32 32.5 q G96