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
2011-04-21 20:23:38 C 10 14 19.34 +12 37 53.0 c A24
2011-04-21 20:24:40 C 10 14 19.34 +12 37 52.7 c A24
2011-04-21 20:47:06 C 10 14 19.42 +12 37 43.9 c A24
2011-04-21 21:10:35 C 10 14 19.57 +12 37 34.6 c A24
2011-04-21 21:33:00 C 10 14 19.68 +12 37 25.7 c A24
2011-04-21 21:34:03 C 10 14 19.69 +12 37 25.4 c A24
2011-04-26 04:38:26 C 10 15 13.73 +11 57 07.7 17.2 c 704
2011-04-26 04:53:36 C 10 15 13.95 +11 57 00.5 18.2 c 704
2011-04-26 05:09:07 C 10 15 14.10 +11 56 54.1 18.0 c 704
2011-04-26 05:24:36 C 10 15 14.22 +11 56 48.0 17.9 c 704
2011-04-26 05:40:10 C 10 15 14.39 +11 56 40.9 16.8 c 704
2011-04-27 03:32:18 C 10 15 30.09 +11 48 07.3 r G96
2011-04-27 03:39:55 C 10 15 30.16 +11 48 04.3 r G96
2011-04-27 03:47:32 C 10 15 30.27 +11 48 01.4 r G96
2011-04-27 03:55:05 C 10 15 30.34 +11 47 58.4 r G96
2011-04-27 04:02:35 C 10 15 30.42 +11 47 55.5 r G96
2011-04-30 04:27:49 C 10 16 31.74 +11 19 35.1 16.7 c 704
2011-04-30 04:42:39 C 10 16 32.05 +11 19 28.0 17.9 c 704
2011-04-30 04:57:55 C 10 16 32.28 +11 19 22.4 17.2 c 704
2011-04-30 05:13:32 C 10 16 32.48 +11 19 15.8 17.7 c 704
2011-04-30 05:28:47 C 10 16 32.69 +11 19 07.5 17.0 c 704
2011-04-30 21:32:01 C 10 16 48.20 +11 12 50.7 c A24
2011-04-30 21:33:03 C 10 16 48.24 +11 12 50.1 c A24
2011-05-01 19:54:41 C 10 17 11.13 +11 04 03.8 c A24
2011-05-01 19:55:43 C 10 17 11.14 +11 04 03.7 c A24
2011-05-01 20:27:10 C 10 17 11.66 +11 03 51.3 c A24
2011-05-01 20:59:37 C 10 17 12.21 +11 03 38.6 c A24
2011-05-01 21:31:02 C 10 17 12.73 +11 03 26.1 c A24
2011-05-01 21:32:04 C 10 17 12.73 +11 03 25.8 c A24
2011-05-02 04:27:11 C 10 17 20.15 +11 00 46.2 16.8 c 704
2011-05-02 04:41:43 C 10 17 20.46 +11 00 39.3 17.4 c 704
2011-05-02 04:56:16 C 10 17 20.74 +11 00 33.1 17.0 c 704
2011-05-02 05:10:54 C 10 17 20.94 +11 00 27.8 17.4 c 704
2011-05-02 05:25:30 C 10 17 21.15 +11 00 21.0 17.1 c 704
2011-05-04 20:36:31 C 10 18 33.84 +10 35 32.5 a 233
2011-05-04 20:42:18 C 10 18 33.97 +10 35 30.1 a 233
2011-05-04 20:46:58 C 10 18 34.05 +10 35 28.4 a 233
2011-05-05 20:03:54 C 10 19 03.30 +10 26 19.8 c A24
2011-05-05 20:04:56 C 10 19 03.31 +10 26 19.8 c A24
2011-05-05 20:35:08 C 10 19 03.93 +10 26 07.6 c A24
2011-05-05 20:36:10 C 10 19 03.95 +10 26 07.3 c A24
2011-05-05 22:01:19 C 10 19 05.64 +10 25 33.7 u C64
2011-05-05 22:06:23 C 10 19 05.78 +10 25 31.7 u C64
2011-05-05 22:11:26 C 10 19 05.86 +10 25 29.1 u C64
2011-05-05 22:16:28 C 10 19 05.97 +10 25 27.8 u C64
2011-05-06 21:54:38 C 10 19 37.08 +10 16 10.6 u C64
2011-05-06 21:59:41 C 10 19 37.12 +10 16 08.2 u C64
2011-05-06 22:04:43 C 10 19 37.26 +10 16 06.5 u C64
2011-05-07 03:11:57 C 10 19 44.32 +10 14 06.9 r 703
2011-05-07 03:20:08 C 10 19 44.50 +10 14 04.1 r 703