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
2017-04-06 07:29:15 C 12 55 18.49 -16 32 31.7 q G96
2017-04-06 07:35:24 C 12 55 18.13 -16 32 30.9 q G96
2017-04-08 11:20:38 C 12 52 18.07 -16 25 30.3 L T05
2017-04-08 11:43:57 C 12 52 16.72 -16 25 27.1 L T05
2017-04-08 12:07:27 C 12 52 15.34 -16 25 23.7 L T05
2017-04-08 12:30:46 C 12 52 13.96 -16 25 20.2 L T05
2017-04-08 12:53:28 C 12 52 12.62 -16 25 16.9 L T05
2017-04-12 06:04:51 C 12 47 09.30 -16 12 00.5 u H21
2017-04-12 06:06:55 C 12 47 09.19 -16 12 00.2 u H21
2017-04-12 06:10:01 C 12 47 09.01 -16 12 00.3 u H21
2017-04-12 06:13:07 C 12 47 08.83 -16 11 59.8 u H21
2017-04-12 06:16:13 C 12 47 08.65 -16 11 59.2 u H21
2017-04-12 06:19:19 C 12 47 08.48 -16 11 58.8 u H21
2017-04-12 06:22:25 C 12 47 08.29 -16 11 58.6 u H21
2017-04-12 06:25:31 C 12 47 08.10 -16 11 58.1 u H21
2017-04-12 06:28:37 C 12 47 07.92 -16 11 57.2 u H21
2017-04-12 06:31:44 C 12 47 07.76 -16 11 56.5 u H21
2017-04-12 06:34:50 C 12 47 07.60 -16 11 56.1 u H21
2017-04-12 06:37:57 C 12 47 07.42 -16 11 55.8 u H21
2017-04-12 06:41:27 C 12 47 07.23 -16 11 55.4 u H21
2017-04-15 10:46:55 C 12 42 57.39 -15 59 35.4 L T08
2017-04-15 11:07:26 C 12 42 56.30 -15 59 32.1 L T08
2017-04-15 11:28:46 C 12 42 55.10 -15 59 28.2 L T08
2017-04-15 11:49:26 C 12 42 53.97 -15 59 24.7 L T08
2017-04-16 10:39:00 C 12 41 41.15 -15 55 35.3 L T05
2017-04-16 10:59:58 C 12 41 40.02 -15 55 31.7 L T05
2017-04-16 11:20:55 C 12 41 38.88 -15 55 28.2 L T05
2017-04-16 11:41:52 C 12 41 37.74 -15 55 24.5 L T05
2017-04-20 10:57:45 C 12 36 45.35 -15 38 57.4 L T05
2017-04-20 11:09:48 C 12 36 44.78 -15 38 55.6 L T05
2017-04-20 11:15:06 C 12 36 44.52 -15 38 54.7 L T05
2017-04-20 11:27:55 C 12 36 43.86 -15 38 52.3 L T05
2017-04-20 11:33:11 C 12 36 43.60 -15 38 51.4 L T05
2017-04-20 11:46:51 C 12 36 42.90 -15 38 49.0 L T05
2017-04-20 11:52:09 C 12 36 42.63 -15 38 47.8 L T05
2017-04-20 12:04:17 C 12 36 42.04 -15 38 45.7 L T05
2017-04-20 12:10:18 C 12 36 41.72 -15 38 44.7 L T05
2017-04-20 12:23:11 C 12 36 41.07 -15 38 42.5 L T05
2017-04-24 06:08:09 C 12 32 25.81 -15 22 52.4 q 703
2017-04-24 06:15:51 C 12 32 25.41 -15 22 50.8 q 703
2017-04-24 06:23:32 C 12 32 25.05 -15 22 49.4 q 703
2017-04-24 06:31:13 C 12 32 24.68 -15 22 48.0 q 703
2017-04-28 09:39:03 C 12 28 07.82 -15 05 22.3 L T05
2017-04-28 09:52:12 C 12 28 07.27 -15 05 20.0 L T05
2017-04-28 10:01:14 C 12 28 06.89 -15 05 18.5 L T05
2017-04-28 10:14:50 C 12 28 06.31 -15 05 15.9 L T05
2017-04-28 10:23:54 C 12 28 05.93 -15 05 14.4 L T05
2017-04-28 10:36:48 C 12 28 05.38 -15 05 12.1 L T05
2017-04-28 10:46:39 C 12 28 04.98 -15 05 10.5 L T05
2017-04-28 10:58:47 C 12 28 04.45 -15 05 07.9 L T05