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
2021-11-16 01:49:43 C 20 32 37.40 -21 21 01.5 V 703
2021-11-16 01:58:20 C 20 32 38.11 -21 20 52.9 V 703
2021-11-16 02:06:57 C 20 32 38.97 -21 20 44.8 V 703
2021-11-17 05:22:33 C 20 35 16.15 -20 54 10.2 V T08
2021-11-17 05:26:33 C 20 35 16.53 -20 54 06.3 V T08
2021-11-17 05:37:10 C 20 35 17.54 -20 53 55.9 V T08
2021-11-17 05:55:06 C 20 35 19.24 -20 53 38.4 V T08
2021-11-20 18:53:31 C 20 43 36.69 -19 29 23.6 V L92
2021-11-20 18:54:35 C 20 43 36.88 -19 29 23.8 V L92
2021-11-20 18:55:39 C 20 43 36.89 -19 29 23.2 V L92
2021-11-21 05:40:16 C 20 44 40.42 -19 18 30.5 V T08
2021-11-21 05:45:35 C 20 44 40.93 -19 18 25.1 V T08
2021-11-21 05:58:13 C 20 44 42.16 -19 18 12.3 V T08
2021-11-21 06:18:52 C 20 44 44.20 -19 17 50.6 V T08
2021-11-21 06:34:50 C 20 44 45.74 -19 17 35.1 V T08
2021-11-23 05:38:45 C 20 49 26.57 -18 29 44.6 V T05
2021-11-23 05:46:00 C 20 49 27.28 -18 29 37.2 V T05
2021-11-23 06:04:31 C 20 49 29.09 -18 29 18.2 V T05
2021-11-23 06:09:07 C 20 49 29.55 -18 29 13.4 V T05
2021-11-26 05:33:29 C 20 56 41.49 -17 15 13.8 V T08
2021-11-26 05:38:51 C 20 56 42.03 -17 15 08.1 V T08
2021-11-26 05:53:27 C 20 56 43.49 -17 14 52.7 V T08
2021-11-26 06:02:05 C 20 56 44.36 -17 14 43.4 V T08
2021-11-27 05:11:04 C 20 59 05.99 -16 50 22.6 V T05
2021-11-27 05:17:04 C 20 59 06.59 -16 50 16.3 V T05
2021-11-27 05:29:00 C 20 59 07.79 -16 50 03.6 V T05
2021-11-27 05:50:07 C 20 59 09.91 -16 49 41.2 V T05
2021-12-02 01:26:55 C 21 11 07.98 -14 45 18.9 V 703
2021-12-02 01:35:09 C 21 11 08.84 -14 45 09.6 V 703
2021-12-02 01:43:25 C 21 11 09.70 -14 45 00.6 V 703
2021-12-02 01:51:40 C 21 11 10.54 -14 44 51.7 V 703
2021-12-05 01:24:01 C 21 18 43.79 -13 25 33.3 V 703
2021-12-05 01:32:16 C 21 18 44.64 -13 25 24.4 V 703
2021-12-05 01:40:30 C 21 18 45.51 -13 25 14.7 V 703
2021-12-05 01:48:45 C 21 18 46.37 -13 25 05.4 V 703
2021-12-11 17:42:57 C 21 36 04.19 -10 21 31.4 q 006
2021-12-11 17:45:36 C 21 36 04.48 -10 21 28.0 q 006
2021-12-11 17:48:17 C 21 36 04.73 -10 21 25.3 q 006
2021-12-11 17:50:57 C 21 36 05.02 -10 21 21.8 q 006
2021-12-11 17:53:37 C 21 36 05.32 -10 21 18.5 q 006
2021-12-11 17:56:17 C 21 36 05.59 -10 21 15.1 q 006
2021-12-11 17:58:57 C 21 36 05.90 -10 21 11.5 q 006
2021-12-11 18:00:57 C 21 36 06.10 -10 21 09.2 q 006
2021-12-12 05:42:26 C 21 37 23.14 -10 07 21.3 V T08
2021-12-12 05:47:06 C 21 37 23.65 -10 07 15.7 V T08
2021-12-12 05:55:44 C 21 37 24.58 -10 07 05.5 V T08
2021-12-12 06:14:20 C 21 37 26.61 -10 06 43.5 V T08
2021-12-13 19:12:13 C 21 41 31.89 -09 22 56.6 q 006
2021-12-13 19:14:13 C 21 41 32.12 -09 22 53.5 q 006
2021-12-13 19:16:13 C 21 41 32.34 -09 22 51.1 q 006