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
2006-05-17 14:11:35 C 13 49 43.39 -31 26 36.8 r E12
2006-05-22 13:04:03 C 13 44 29.00 -30 57 31.1 r E12
2006-05-22 13:19:41 C 13 44 28.32 -30 57 27.1 r E12
2006-05-22 13:35:28 C 13 44 27.63 -30 57 23.1 r E12
2006-05-22 13:51:10 C 13 44 26.98 -30 57 18.7 r E12
2006-05-29 14:14:14 C 13 38 11.72 -30 14 36.1 r E12
2006-05-29 14:29:50 C 13 38 11.29 -30 14 32.4 r E12
2006-05-29 14:45:28 C 13 38 10.75 -30 14 27.3 r E12
2006-05-29 15:01:04 C 13 38 10.21 -30 14 23.4 r E12
2006-05-30 12:41:47 C 13 37 28.45 -30 08 53.9 r E12
2006-05-30 12:57:35 C 13 37 27.94 -30 08 50.3 r E12
2006-05-30 13:13:14 C 13 37 27.44 -30 08 45.8 r E12
2006-05-30 13:28:52 C 13 37 26.94 -30 08 42.1 r E12
2006-06-01 04:11:31 C 13 36 16.13 -29 59 00.9 o 699
2006-06-01 04:35:11 C 13 36 15.40 -29 58 55.0 o 699
2006-06-01 04:58:52 C 13 36 14.71 -29 58 46.9 o 699
2006-06-01 05:22:31 C 13 36 13.90 -29 58 43.2 o 699
2006-06-14 01:08:19 C 13 29 41.71 -28 46 25.5 o 808
2006-06-14 01:32:30 C 13 29 41.33 -28 46 19.7 o 808
2006-06-14 10:41:54 C 13 29 34.29 -28 44 22.9 r E12
2006-06-14 10:54:10 C 13 29 34.15 -28 44 20.7 r E12
2006-06-14 11:06:25 C 13 29 33.97 -28 44 17.8 r E12
2006-06-14 11:18:42 C 13 29 33.79 -28 44 15.5 r E12
2006-06-18 23:57:40 C 13 28 29.66 -28 22 25.7 o 808
2006-06-19 00:13:29 C 13 28 29.54 -28 22 22.2 o 808
2006-06-19 00:25:30 C 13 28 29.37 -28 22 20.4 o 808
2006-07-27 08:34:49 C 13 40 09.91 -27 02 04.7 r E12
2006-07-27 08:42:12 C 13 40 10.16 -27 02 04.8 r E12
2006-07-27 08:49:35 C 13 40 10.34 -27 02 04.9 r E12
2006-07-27 08:56:59 C 13 40 10.59 -27 02 04.9 r E12
2006-08-16 10:08:26 C 13 57 26.96 -27 29 52.0 r E12
2006-08-16 10:26:23 C 13 57 27.68 -27 29 53.4 r E12
2006-08-16 10:44:22 C 13 57 28.47 -27 29 55.2 r E12
2006-08-16 11:02:20 C 13 57 29.16 -27 29 56.2 r E12
2006-09-22 09:09:24 C 14 42 28.58 -29 40 04.4 r E12
2006-09-22 09:14:56 C 14 42 28.87 -29 40 05.4 r E12
2006-09-22 09:20:32 C 14 42 29.26 -29 40 06.3 r E12
2006-09-22 09:26:05 C 14 42 29.55 -29 40 07.9 r E12
2007-03-10 18:15:19 C 20 04 56.38 -35 18 38.3 r E12
2007-03-10 18:25:39 C 20 04 57.32 -35 18 36.7 r E12
2007-03-10 18:36:04 C 20 04 58.18 -35 18 36.0 r E12
2007-03-10 18:46:24 C 20 04 59.05 -35 18 34.5 r E12
2007-04-17 17:59:53 C 21 20 39.91 -33 01 22.8 r E12
2007-04-17 18:12:16 C 21 20 40.88 -33 01 20.7 r E12
2007-04-17 18:24:38 C 21 20 41.85 -33 01 18.9 r E12
2007-04-17 18:37:05 C 21 20 42.82 -33 01 16.7 r E12
2007-05-26 16:53:35 C 22 30 46.08 -30 24 22.1 r E12
2007-05-26 17:06:41 C 22 30 46.98 -30 24 20.1 r E12
2007-05-26 17:19:40 C 22 30 47.88 -30 24 18.3 r E12
2007-05-26 17:32:40 C 22 30 48.74 -30 24 16.5 r E12