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
2003-04-06 07:54:40 C 13 49 33.83 -25 39 35.5 17.1 c 704
2003-04-06 08:12:32 C 13 49 32.80 -25 39 34.7 17.3 c 704
2003-04-06 08:30:12 C 13 49 31.81 -25 39 34.3 17.1 c 704
2003-04-06 08:48:02 C 13 49 30.79 -25 39 33.7 16.9 c 704
2003-04-06 09:05:34 C 13 49 29.78 -25 39 33.7 17.1 c 704
2003-04-12 07:25:26 C 13 41 28.97 -25 31 12.2 16.9 c 704
2003-04-12 07:46:28 C 13 41 27.74 -25 31 10.6 17.0 c 704
2003-04-12 08:19:57 C 13 41 25.79 -25 31 08.4 17.1 c 704
2003-04-12 08:36:44 C 13 41 24.83 -25 31 06.7 16.8 c 704
2003-04-12 08:53:33 C 13 41 23.85 -25 31 05.0 17.0 c 704
2003-04-21 00:18:00 C 13 29 34.90 -25 06 13.5 d 170
2003-04-21 00:21:48 C 13 29 34.68 -25 06 12.9 d 170
2003-04-21 00:22:26 C 13 29 34.64 -25 06 12.8 d 170
2003-04-21 00:23:43 C 13 29 34.57 -25 06 12.6 d 170
2003-04-29 09:04:03 C 13 18 42.81 -24 30 43.1 17.0 c 608
2003-04-29 09:18:50 C 13 18 42.03 -24 30 40.1 16.9 c 608
2003-04-29 09:34:11 C 13 18 41.22 -24 30 37.1 16.9 c 608
2003-04-30 04:59:30 C 13 17 41.75 -24 26 44.8 16.5 c 704
2003-04-30 05:16:47 C 13 17 40.84 -24 26 41.4 16.8 c 704
2003-04-30 05:33:57 C 13 17 39.93 -24 26 37.9 16.7 c 704
2003-04-30 05:51:27 C 13 17 39.00 -24 26 34.4 16.9 c 704
2003-04-30 06:08:36 C 13 17 38.10 -24 26 30.7 16.9 c 704
2003-05-04 00:58:48 C 13 13 09.96 -24 07 33.8 m 859
2003-05-04 01:13:07 C 13 13 09.36 -24 07 29.9 m 859
2003-05-04 01:19:50 C 13 13 09.08 -24 07 28.8 m 859
2003-05-26 10:04:30 C 12 54 21.66 -22 12 42.3 e 428
2003-05-26 10:08:56 C 12 54 21.52 -22 12 41.1 e 428
2003-05-26 10:13:22 C 12 54 21.43 -22 12 40.1 e 428
2003-05-27 05:45:42 C 12 53 56.68 -22 09 01.1 d 703
2003-05-27 06:00:19 C 12 53 56.36 -22 08 58.5 d 703
2003-05-27 06:14:38 C 12 53 56.04 -22 08 55.6 d 703
2003-05-27 06:28:52 C 12 53 55.78 -22 08 53.3 d 703
2003-07-09 09:55:35 C 12 57 17.25 -20 48 44.9 c E14
2003-07-09 10:05:50 C 12 57 17.52 -20 48 45.6 c E14
2003-07-09 10:16:04 C 12 57 17.70 -20 48 45.6 c E14
2003-07-13 10:17:05 C 12 59 38.73 -20 53 23.7 c E14
2003-07-13 10:27:21 C 12 59 39.01 -20 53 23.9 c E14
2003-07-13 10:37:34 C 12 59 39.30 -20 53 24.8 c E14
2003-07-31 09:12:29 C 13 13 13.58 -21 35 11.1 c E14
2003-07-31 09:22:44 C 13 13 13.93 -21 35 12.0 c E14
2003-07-31 09:32:58 C 13 13 14.33 -21 35 14.2 c E14
2004-03-16 18:25:01 C 19 19 08.42 -38 49 58.9 r E12
2004-03-16 18:31:41 C 19 19 08.88 -38 49 59.3 r E12
2004-03-16 18:38:18 C 19 19 09.33 -38 50 00.1 r E12
2004-03-16 18:44:56 C 19 19 09.81 -38 50 00.8 r E12
2004-04-22 16:49:35 C 20 14 45.21 -40 32 45.2 r E12
2004-04-22 17:02:47 C 20 14 45.86 -40 32 46.9 r E12
2004-04-22 17:15:59 C 20 14 46.53 -40 32 49.6 r E12
2004-04-22 17:29:12 C 20 14 47.24 -40 32 52.0 r E12
2004-05-02 07:54:39 C 20 26 12.79 -41 16 06.7 r 859