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
2011-04-05 16:00:48 C 10 16 34.45 +15 09 12.7 o 300
2011-04-05 16:05:21 C 10 16 34.35 +15 09 10.9 o 300
2011-04-05 16:09:53 C 10 16 34.25 +15 09 09.1 o 300
2011-04-05 16:14:26 C 10 16 34.17 +15 09 07.2 o 300
2011-04-05 16:21:16 C 10 16 34.03 +15 09 04.8 o 300
2011-04-05 22:14:32 C 10 16 27.55 +15 06 47.8 c A24
2011-04-05 22:15:34 C 10 16 27.53 +15 06 47.4 c A24
2011-04-05 22:38:12 C 10 16 27.10 +15 06 38.7 c A24
2011-04-05 23:01:52 C 10 16 26.63 +15 06 29.5 c A24
2011-04-05 23:24:31 C 10 16 26.16 +15 06 20.5 c A24
2011-04-05 23:25:33 C 10 16 26.14 +15 06 20.2 c A24
2011-04-06 04:21:02 C 10 16 20.99 +15 04 28.6 15.4 c 704
2011-04-06 04:38:36 C 10 16 20.67 +15 04 21.2 15.7 c 704
2011-04-06 04:56:17 C 10 16 20.31 +15 04 14.1 15.9 c 704
2011-04-06 05:14:47 C 10 16 19.93 +15 04 07.0 16.4 c 704
2011-04-06 05:32:34 C 10 16 19.51 +15 03 59.7 16.0 c 704
2011-04-06 22:17:08 C 10 16 01.99 +14 57 31.0 c A24
2011-04-06 22:18:11 C 10 16 01.97 +14 57 30.9 c A24
2011-04-06 22:40:03 C 10 16 01.59 +14 57 22.2 c A24
2011-04-06 23:02:59 C 10 16 01.18 +14 57 13.7 c A24
2011-04-06 23:24:52 C 10 16 00.80 +14 57 04.8 c A24
2011-04-06 23:25:54 C 10 16 00.77 +14 57 04.7 c A24
2011-04-08 22:32:34 C 10 15 18.37 +14 38 50.3 c A24
2011-04-08 22:33:36 C 10 15 18.35 +14 38 49.8 c A24
2011-04-09 21:11:00 C 10 15 01.51 +14 30 03.0 c A24
2011-04-09 21:12:02 C 10 15 01.49 +14 30 02.7 c A24
2011-04-09 21:34:09 C 10 15 01.20 +14 29 54.1 c A24
2011-04-09 21:57:18 C 10 15 00.91 +14 29 45.0 c A24
2011-04-09 22:19:25 C 10 15 00.62 +14 29 36.3 c A24
2011-04-09 22:20:28 C 10 15 00.61 +14 29 36.0 c A24
2011-04-10 21:25:12 C 10 14 45.69 +14 20 37.5 c A24
2011-04-10 21:26:15 C 10 14 45.68 +14 20 37.2 c A24
2011-04-10 21:48:36 C 10 14 45.44 +14 20 28.4 c A24
2011-04-10 22:12:01 C 10 14 45.17 +14 20 19.4 c A24
2011-04-10 22:34:23 C 10 14 44.91 +14 20 10.6 c A24
2011-04-10 22:35:25 C 10 14 44.91 +14 20 10.2 c A24
2011-04-11 13:50:39 C 10 14 36.29 +14 14 14.2 o 300
2011-04-11 14:02:21 C 10 14 36.16 +14 14 09.5 o 300
2011-04-11 14:30:56 C 10 14 35.86 +14 13 58.6 o 300
2011-04-11 14:53:01 C 10 14 35.69 +14 13 50.4 o 300
2011-04-11 15:13:49 C 10 14 35.41 +14 13 43.0 o 300
2011-04-11 15:21:37 C 10 14 35.42 +14 13 39.4 o 300
2011-04-17 21:21:39 C 10 13 59.99 +13 15 03.8 u 160
2011-04-17 21:22:57 C 10 13 59.99 +13 15 03.5 u 160
2011-04-17 21:24:14 C 10 13 59.99 +13 15 02.7 u 160
2011-04-18 21:03:38 C 10 14 01.99 +13 05 47.9 u C27
2011-04-18 21:23:51 C 10 14 02.01 +13 05 39.9 u C27
2011-04-18 21:47:26 C 10 14 02.04 +13 05 30.7 u C27
2011-04-20 20:19:05 C 10 14 11.60 +12 47 17.5 o 639
2011-04-20 20:31:19 C 10 14 11.65 +12 47 13.0 o 639