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
2024-09-28 05:11:18 V 22 46 31.69 -04 30 37.9 V 270
2024-09-28 05:11:18 v 1 242.98592 +33.20799 270
2024-09-28 05:22:22 V 22 46 30.29 -04 30 12.6 V 270
2024-09-28 05:22:22 v 1 240.94967 +39.56639 270
2024-09-28 05:24:00 V 22 46 30.01 -04 30 06.3 V 270
2024-09-28 05:24:00 v 1 242.98592 +33.20799 270
2024-09-28 05:35:04 V 22 46 28.65 -04 29 41.6 V 270
2024-09-28 05:35:04 v 1 240.94967 +39.56639 270
2024-09-28 20:19:39 C 22 44 41.362 -03 53 19.03 X M26
2024-09-28 20:26:07 C 22 44 40.531 -03 53 02.76 X M26
2024-09-28 20:33:46 C 22 44 39.540 -03 52 43.90 X M26
2024-09-28 22:17:12 C 22 44 26.460 -03 48 29.30 Z C23
2024-09-28 22:32:33 C 22 44 24.451 -03 47 51.14 Z C23
2024-09-28 23:36:54 C 22 44 16.250 -03 45 10.48 Z C23
2024-09-29 03:45:36 V 22 43 47.66 -03 34 41.0 V 270
2024-09-29 03:45:36 v 1 242.98608 +33.20764 270
2024-09-29 03:58:34 V 22 43 46.02 -03 34 08.6 V 270
2024-09-29 03:58:34 v 1 242.98608 +33.20764 270
2024-09-29 04:11:32 V 22 43 44.35 -03 33 36.1 V 270
2024-09-29 04:11:32 v 1 242.98608 +33.20764 270
2024-09-29 04:24:22 V 22 43 42.69 -03 33 04.1 V 270
2024-09-29 04:24:22 v 1 242.98608 +33.20764 270
2024-09-29 18:19:47 C 22 42 01.694 -02 58 03.14 q K73
2024-09-29 18:23:23 C 22 42 01.212 -02 57 53.75 q K73
2024-09-29 18:59:16 C 22 41 56.702 -02 56 22.56 q K73
2024-09-29 19:02:54 C 22 41 56.215 -02 56 13.34 q K73
2024-09-29 20:25:31 C 22 41 45.50 -02 52 47.5 X G02
2024-09-29 20:33:53 C 22 41 44.43 -02 52 26.4 X G02
2024-09-29 20:34:09 B 22 41 44.635 -02 52 23.45 V 160
2024-09-29 20:37:33 B 22 41 44.198 -02 52 14.81 V 160
2024-09-29 20:40:51 B 22 41 43.774 -02 52 06.49 V 160
2024-09-29 20:41:00 C 22 41 43.622 -02 52 04.33 q K73
2024-09-29 20:42:18 C 22 41 43.36 -02 52 05.0 X G02
2024-09-29 20:44:40 C 22 41 43.128 -02 51 55.44 q K73
2024-09-30 03:50:26 V 22 40 52.31 -02 33 46.5 V 270
2024-09-30 03:50:26 v 1 242.98588 +33.20803 270
2024-09-30 04:03:10 V 22 40 50.72 -02 33 14.6 V 270
2024-09-30 04:03:10 v 1 242.98588 +33.20803 270
2024-09-30 04:15:53 V 22 40 49.10 -02 32 42.5 V 270
2024-09-30 04:15:53 v 1 242.98588 +33.20803 270
2024-09-30 04:28:35 V 22 40 47.45 -02 32 10.4 V 270
2024-09-30 04:28:35 v 1 242.98588 +33.20803 270
2024-09-30 09:33:59 V 22 40 10.17 -02 18 27.5 V 270
2024-09-30 09:33:59 v 1 175.46574 -37.91847 270
2024-09-30 09:46:41 V 22 40 08.51 -02 17 55.3 V 270
2024-09-30 09:46:41 v 1 175.46574 -37.91847 270
2024-09-30 09:59:23 V 22 40 06.89 -02 17 22.0 V 270
2024-09-30 09:59:23 v 1 175.46574 -37.91847 270
2024-09-30 10:11:54 V 22 40 05.28 -02 16 49.4 V 270
2024-09-30 10:11:54 v 1 175.46574 -37.91847 270