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
2024-10-28 19:41:02 C 21 38 52.942 +28 08 17.59 V K73
2024-10-28 19:45:09 C 21 38 52.699 +28 08 27.60 V K73
2024-10-28 19:52:13 C 21 38 52.368 +28 08 43.69 V K73
2024-10-28 19:57:19 C 21 38 52.162 +28 08 55.46 V K73
2024-10-28 20:01:07 C 21 38 51.857 +28 09 04.54 V K73
2024-10-28 20:06:36 C 21 38 51.576 +28 09 17.17 V K73
2024-10-29 17:05:17 B 21 37 57.74 +28 58 28.9 V 130
2024-10-29 17:13:23 B 21 37 57.34 +28 58 48.2 V 130
2024-10-29 17:16:23 B 21 37 57.130 +28 58 53.22 Z K74
2024-10-29 17:18:18 B 21 37 57.036 +28 58 57.68 Z K74
2024-10-29 17:20:24 B 21 37 56.933 +28 59 02.65 Z K74
2024-10-29 18:40:03 B 21 37 52.954 +29 02 11.83 V 160
2024-10-29 18:43:54 B 21 37 52.762 +29 02 20.76 V 160
2024-10-29 18:47:32 B 21 37 52.577 +29 02 29.29 V 160
2024-10-29 19:41:07 C 21 37 49.970 +29 04 32.63 q L05
2024-10-29 19:50:45 C 21 37 49.486 +29 04 54.91 q L05
2024-10-29 20:20:51 C 21 37 48.130 +29 06 04.32 q L05
2024-10-30 19:32:45 B 21 36 52.111 +29 59 40.60 V 160
2024-10-30 19:36:32 B 21 36 51.938 +29 59 49.16 V 160
2024-10-30 19:40:12 B 21 36 51.768 +29 59 57.59 V 160
2024-10-31 09:14:37 C 21 36 19.757 +30 31 03.04 V T05
2024-10-31 09:19:14 C 21 36 19.565 +30 31 13.30 V T05
2024-10-31 09:27:08 C 21 36 19.258 +30 31 30.68 V T05
2024-10-31 09:42:11 C 21 36 18.624 +30 32 03.98 V T05
2024-10-31 18:11:46 C 21 36 02.59 +30 51 11.1 V K85
2024-10-31 18:51:47 C 21 36 00.88 +30 52 41.2 V K85
2024-10-31 19:33:49 B 21 35 58.915 +30 54 19.40 V 160
2024-10-31 19:36:51 B 21 35 58.786 +30 54 26.14 V 160
2024-10-31 19:39:49 B 21 35 58.656 +30 54 32.76 V 160
2024-11-01 07:20:56 C 21 35 34.075 +31 21 02.38 V T08
2024-11-01 07:25:37 C 21 35 33.883 +31 21 12.82 V T08
2024-11-01 07:33:38 C 21 35 33.540 +31 21 30.38 V T08
2024-11-01 07:48:24 C 21 35 32.918 +31 22 02.86 V T08
2024-11-01 16:11:11 C 21 35 18.55 +31 40 32.6 X G02
2024-11-01 16:16:46 C 21 35 18.33 +31 40 45.1 X G02
2024-11-01 16:22:22 C 21 35 18.11 +31 40 57.8 X G02
2024-11-01 19:45:16 B 21 35 10.363 +31 48 31.86 V 160
2024-11-01 19:49:48 B 21 35 10.190 +31 48 41.83 V 160
2024-11-02 07:39:00 C 21 34 47.741 +32 15 04.68 V T08
2024-11-02 07:43:40 C 21 34 47.568 +32 15 14.80 V T08
2024-11-02 07:55:42 C 21 34 47.110 +32 15 40.79 V T08
2024-11-02 08:12:24 C 21 34 46.486 +32 16 16.82 V T08
2024-11-02 19:04:24 B 21 34 28.807 +32 40 01.74 V 160
2024-11-02 19:08:06 B 21 34 28.673 +32 40 09.77 V 160
2024-11-02 19:11:52 B 21 34 28.538 +32 40 17.98 V 160
2024-11-03 16:18:29 C 21 33 55.82 +33 26 13.2 X G02
2024-11-03 16:23:04 C 21 33 55.68 +33 26 23.1 X G02
2024-11-03 17:22:43 C 21 33 54.11 +33 28 31.3 V K85
2024-11-03 17:56:03 B 21 33 52.963 +33 29 42.72 V L65
2024-11-03 17:57:43 C 21 33 52.99 +33 29 47.4 V K85