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
2011-01-26 09:42:29 C 12 02 43.98 +20 50 12.3 H10
2011-01-28 16:47:47 C 11 59 58.58 +20 48 55.5 o 300
2011-01-28 16:49:13 C 11 59 58.48 +20 48 55.5 o 300
2011-01-28 16:52:07 C 11 59 58.32 +20 48 55.8 o 300
2011-01-28 16:53:34 C 11 59 58.24 +20 48 55.7 o 300
2011-01-28 16:55:02 C 11 59 58.15 +20 48 55.6 o 300
2011-02-02 16:06:47 C 11 52 59.47 +20 46 38.8 o 300
2011-02-02 16:08:16 C 11 52 59.37 +20 46 38.5 o 300
2011-02-02 16:09:44 C 11 52 59.29 +20 46 38.7 o 300
2011-02-02 16:11:13 C 11 52 59.18 +20 46 38.5 o 300
2011-02-02 16:12:43 C 11 52 59.07 +20 46 38.7 o 300
2011-02-02 16:14:13 C 11 52 58.98 +20 46 38.2 o 300
2011-02-02 16:15:42 C 11 52 58.89 +20 46 38.7 o 300
2011-02-04 23:28:23 C 11 49 18.92 +20 45 24.1 c A24
2011-02-04 23:29:46 C 11 49 18.81 +20 45 23.9 c A24
2011-02-05 00:38:54 C 11 49 13.90 +20 45 22.5 c A24
2011-02-05 00:40:16 C 11 49 13.80 +20 45 22.5 c A24
2011-02-05 22:34:07 C 11 47 42.46 +20 44 47.5 c A24
2011-02-05 22:35:30 C 11 47 42.36 +20 44 47.6 c A24
2011-02-05 22:58:09 C 11 47 40.74 +20 44 47.0 c A24
2011-02-05 23:21:44 C 11 47 39.02 +20 44 46.7 c A24
2011-02-05 23:44:51 C 11 47 37.35 +20 44 46.5 c A24
2011-02-05 23:46:14 C 11 47 37.23 +20 44 46.4 c A24
2011-02-07 08:45:03 C 11 45 14.81 +20 43 49.0 15.0 c 704
2011-02-07 09:05:56 C 11 45 13.20 +20 43 49.0 15.0 c 704
2011-02-07 09:26:41 C 11 45 11.66 +20 43 48.1 15.2 c 704
2011-02-07 09:47:54 C 11 45 10.01 +20 43 47.6 14.9 c 704
2011-02-07 10:08:30 C 11 45 08.43 +20 43 46.9 14.7 c 704
2011-02-07 22:04:53 C 11 44 16.27 +20 43 19.2 c A24
2011-02-07 22:06:15 C 11 44 16.19 +20 43 19.1 c A24
2011-02-08 09:57:23 C 11 43 22.75 +20 42 57.1 14.1 c 704
2011-02-08 10:19:33 C 11 43 21.04 +20 42 56.3 14.1 c 704
2011-02-08 10:37:34 C 11 43 19.63 +20 42 56.2 15.0 c 704
2011-02-08 10:55:35 C 11 43 18.24 +20 42 54.4 14.1 c 704
2011-02-08 11:18:10 C 11 43 16.47 +20 42 53.9 14.2 c 704
2011-02-08 22:33:58 C 11 42 26.24 +20 42 25.2 c A24
2011-02-08 22:35:21 C 11 42 26.13 +20 42 24.9 c A24
2011-02-10 11:10:01 C 11 39 36.79 +20 40 51.1 r 703
2011-02-10 11:23:04 C 11 39 35.74 +20 40 50.4 r 703
2011-02-10 11:36:09 C 11 39 34.66 +20 40 49.7 r 703
2011-02-10 11:49:11 C 11 39 33.62 +20 40 49.0 r 703
2011-02-10 22:51:54 C 11 38 42.46 +20 40 14.0 c A24
2011-02-10 22:53:16 C 11 38 42.37 +20 40 14.0 c A24
2011-02-15 15:54:25 C 11 29 30.29 +20 32 43.1 m 355
2011-02-15 15:55:28 C 11 29 30.18 +20 32 42.8 m 355
2011-02-15 15:56:33 C 11 29 30.10 +20 32 42.9 m 355
2011-02-15 15:57:37 C 11 29 30.01 +20 32 42.5 m 355
2011-02-15 15:58:43 C 11 29 29.92 +20 32 42.7 m 355
2011-02-19 10:47:34 C 11 21 48.11 +20 23 34.7 u D95
2011-02-19 10:49:42 C 11 21 47.92 +20 23 34.3 u D95