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
2011-02-19 10:50:47 C 11 21 47.84 +20 23 34.3 u D95
2011-02-19 10:51:53 C 11 21 47.74 +20 23 34.2 u D95
2011-02-23 02:46:25 C 11 14 13.90 +20 11 52.3 c I28
2011-02-23 02:59:21 C 11 14 12.74 +20 11 50.4 c I28
2011-02-23 03:12:18 C 11 14 11.63 +20 11 48.5 c I28
2011-02-25 22:24:40 C 11 08 26.33 +20 00 48.4 r J75
2011-02-25 22:41:53 C 11 08 24.83 +20 00 45.5 r J75
2011-02-25 22:59:07 C 11 08 23.33 +20 00 42.8 r J75
2011-02-26 20:00:35 C 11 06 36.48 +19 56 49.4 w J93
2011-02-26 20:02:10 C 11 06 36.34 +19 56 49.4 w J93
2011-02-26 20:03:45 C 11 06 36.22 +19 56 49.2 w J93
2011-02-26 20:29:49 C 11 06 33.96 +19 56 44.0 o J16
2011-02-26 20:44:03 C 11 06 32.78 +19 56 41.5 o J16
2011-02-26 20:55:19 C 11 06 31.77 +19 56 39.8 o J16
2011-02-26 22:42:23 C 11 06 22.68 +19 56 22.8 u J28
2011-02-26 22:50:06 C 11 06 22.02 +19 56 21.5 u J28
2011-02-26 22:58:11 C 11 06 21.32 +19 56 19.9 u J28
2011-02-28 22:08:05 C 11 02 24.23 +19 47 03.1 r J75
2011-02-28 22:22:16 C 11 02 23.03 +19 47 00.3 r J75
2011-02-28 22:36:27 C 11 02 21.81 +19 46 57.4 r J75
2011-03-02 05:28:38 C 10 59 49.20 +19 40 24.5 r 703
2011-03-02 05:38:31 C 10 59 48.40 +19 40 22.3 r 703
2011-03-02 05:48:29 C 10 59 47.54 +19 40 20.1 r 703
2011-03-02 05:58:29 C 10 59 46.71 +19 40 18.0 r 703
2011-03-07 19:29:46 C 10 49 18.60 +19 07 41.3 w J93
2011-03-07 19:32:32 C 10 49 18.39 +19 07 40.4 w J93
2011-03-07 19:35:17 C 10 49 18.16 +19 07 39.4 w J93
2011-03-08 07:00:05 C 10 48 27.00 +19 04 38.9 14.8 c 704
2011-03-08 07:17:41 C 10 48 25.59 +19 04 34.1 14.7 c 704
2011-03-08 07:35:11 C 10 48 24.33 +19 04 29.3 14.2 c 704
2011-03-08 07:53:45 C 10 48 22.90 +19 04 24.3 14.8 c 704
2011-03-08 08:10:54 C 10 48 21.61 +19 04 19.6 14.5 c 704
2011-03-08 23:39:59 C 10 47 13.63 +19 00 02.5 u 160
2011-03-08 23:41:41 C 10 47 13.50 +19 00 02.0 u 160
2011-03-08 23:43:23 C 10 47 13.38 +19 00 01.5 u 160
2011-03-10 23:14:16 C 10 43 50.82 +18 46 28.6 u 160
2011-03-10 23:16:33 C 10 43 50.66 +18 46 28.0 u 160
2011-03-10 23:18:48 C 10 43 50.52 +18 46 27.4 u 160
2011-03-12 07:59:34 C 10 41 36.61 +18 36 45.1 u H45
2011-03-12 08:01:38 C 10 41 36.47 +18 36 44.4 u H45
2011-03-12 08:03:36 C 10 41 36.34 +18 36 43.8 u H45
2011-03-12 08:07:26 C 10 41 36.07 +18 36 42.6 u H45
2011-03-12 08:18:43 C 10 41 35.30 +18 36 39.2 u H45
2011-03-20 19:19:45 C 10 29 40.53 +17 30 12.2 u A13
2011-03-20 20:02:34 C 10 29 38.31 +17 29 57.4 u A13
2011-03-22 20:03:43 C 10 27 19.46 +17 13 03.8 c A24
2011-03-22 20:04:45 C 10 27 19.42 +17 13 03.5 c A24
2011-03-22 20:28:31 C 10 27 18.28 +17 12 55.0 c A24
2011-03-22 20:52:58 C 10 27 17.11 +17 12 46.3 c A24
2011-03-22 21:17:05 C 10 27 15.96 +17 12 37.9 c A24