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
2017-03-04 14:48:03 C 13 36 01.191 -16 40 17.04 L F51
2017-03-04 14:48:59 C 13 36 01.166 -16 40 17.11 L F51
2017-03-04 15:03:50 C 13 36 00.595 -16 40 18.89 L F51
2017-03-04 15:04:45 C 13 36 00.556 -16 40 19.04 L F51
2017-03-07 13:37:10 C 13 33 17.89 -16 48 01.7 L T05
2017-03-07 13:59:00 C 13 33 16.97 -16 48 03.7 L T05
2017-03-07 14:20:55 C 13 33 16.06 -16 48 05.7 L T05
2017-03-07 14:42:45 C 13 33 15.15 -16 48 07.8 L T05
2017-03-08 14:25:22 C 13 32 16.81 -16 50 20.9 L T08
2017-03-08 14:45:35 C 13 32 15.93 -16 50 22.6 L T08
2017-03-08 15:05:04 C 13 32 15.10 -16 50 24.2 L T08
2017-03-08 15:25:17 C 13 32 14.22 -16 50 26.1 L T08
2017-03-11 01:08:02 C 13 29 45.04 -16 54 57.3 o K95
2017-03-11 01:18:27 C 13 29 44.55 -16 54 58.4 o K95
2017-03-11 12:35:02 C 13 29 14.29 -16 55 49.2 L T05
2017-03-11 12:57:28 C 13 29 13.20 -16 55 50.4 L T05
2017-03-11 13:16:56 C 13 29 12.31 -16 55 51.6 L T05
2017-03-11 13:39:19 C 13 29 11.20 -16 55 52.6 L T05
2017-03-15 06:49:22 C 13 24 58.80 -17 00 24.2 u H21
2017-03-15 06:51:53 C 13 24 58.67 -17 00 24.5 u H21
2017-03-15 06:54:25 C 13 24 58.55 -17 00 24.3 u H21
2017-03-15 06:56:55 C 13 24 58.42 -17 00 24.3 u H21
2017-03-15 06:59:26 C 13 24 58.30 -17 00 24.7 u H21
2017-03-15 07:01:58 C 13 24 58.17 -17 00 24.8 u H21
2017-03-15 07:04:29 C 13 24 58.04 -17 00 24.7 u H21
2017-03-15 07:07:00 C 13 24 57.91 -17 00 24.9 u H21
2017-03-15 07:09:31 C 13 24 57.79 -17 00 25.0 u H21
2017-03-15 07:12:02 C 13 24 57.65 -17 00 25.1 u H21
2017-03-15 07:14:34 C 13 24 57.53 -17 00 25.1 u H21
2017-03-15 07:17:05 C 13 24 57.41 -17 00 25.1 u H21
2017-03-15 07:19:36 C 13 24 57.28 -17 00 25.2 u H21
2017-03-15 07:22:07 C 13 24 57.16 -17 00 25.5 u H21
2017-03-15 07:24:38 C 13 24 57.03 -17 00 25.5 u H21
2017-03-15 07:27:10 C 13 24 56.89 -17 00 25.6 u H21
2017-03-15 07:29:41 C 13 24 56.77 -17 00 25.9 u H21
2017-03-15 07:32:12 C 13 24 56.65 -17 00 25.8 u H21
2017-03-16 14:07:32 C 13 23 24.98 -17 01 19.0 L T08
2017-03-16 14:27:09 C 13 23 23.98 -17 01 19.2 L T08
2017-03-16 14:46:36 C 13 23 22.97 -17 01 19.3 L T08
2017-03-16 15:06:02 C 13 23 21.98 -17 01 20.2 L T08
2017-03-17 21:37:31 C 13 21 48.88 -17 01 56.0 108
2017-03-17 21:43:10 C 13 21 48.54 -17 01 56.1 108
2017-03-17 21:47:52 C 13 21 48.34 -17 01 56.2 108
2017-03-19 09:28:55 C 13 19 56.06 -17 02 10.2 q 703
2017-03-19 09:36:10 C 13 19 55.67 -17 02 10.1 q 703
2017-03-19 09:49:58 C 13 19 54.92 -17 02 10.1 q 703
2017-03-19 09:57:12 C 13 19 54.52 -17 02 10.2 q 703
2017-03-19 11:22:02 C 13 19 50.166 -17 02 09.42 L F51
2017-03-19 11:36:02 C 13 19 49.404 -17 02 09.47 L F51
2017-03-19 11:50:00 C 13 19 48.640 -17 02 09.48 L F51