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
2004-12-17 19:00:12 C 21 49 54.18 -08 34 40.7 o 493
2004-12-17 19:14:38 C 21 49 55.70 -08 34 22.9 o 493
2004-12-17 19:27:33 C 21 49 57.14 -08 34 07.8 o 493
2004-12-21 02:02:00 C 21 58 53.86 -06 58 49.0 d 703
2004-12-21 02:08:36 C 21 58 54.61 -06 58 40.7 d 703
2004-12-21 02:15:12 C 21 58 55.28 -06 58 31.7 d 703
2004-12-21 02:21:47 C 21 58 56.11 -06 58 24.6 d 703
2004-12-21 08:42:50 C 21 59 39.93 -06 50 37.8 r 379
2004-12-21 08:44:28 C 21 59 40.11 -06 50 36.1 r 379
2004-12-21 08:47:47 C 21 59 40.51 -06 50 31.6 r 379
2004-12-21 15:19:50 C 22 00 25.63 -06 42 31.8 o 084
2004-12-31 16:56:59 C 22 28 51.77 -01 37 01.6 o 084
2005-01-09 09:03:28 C 22 54 33.71 +02 57 45.4 r 379
2005-01-09 09:05:06 C 22 54 33.91 +02 57 47.9 r 379
2005-01-09 09:11:43 C 22 54 34.69 +02 57 56.2 r 379
2005-01-09 09:18:19 C 22 54 35.56 +02 58 05.2 r 379
2005-01-11 17:28:44 C 23 01 45.15 +04 13 36.6 o 084
2005-01-19 15:16:20 C 23 26 43.53 +08 31 31.9 o 084
2005-02-01 09:29:07 C 00 09 57.95 +15 26 51.8 r 379
2005-02-01 09:30:47 C 00 09 58.24 +15 26 54.6 r 379
2005-02-01 09:32:25 C 00 09 58.45 +15 26 56.2 r 379
2005-02-01 09:35:43 C 00 09 58.90 +15 27 00.8 r 379
2005-02-03 09:15:42 C 00 17 05.55 +16 30 24.4 r 379
2005-02-03 09:23:57 C 00 17 06.75 +16 30 35.1 r 379
2005-02-03 09:25:37 C 00 17 06.97 +16 30 36.9 r 379
2005-02-03 09:30:34 C 00 17 07.73 +16 30 44.0 r 379
2005-02-03 16:57:25 C 00 18 15.12 +16 40 32.8 o 084
2005-02-03 17:00:03 C 00 18 15.48 +16 40 36.1 o 084
2005-02-05 17:36:40 C 00 25 38.58 +17 44 31.4 a 233
2005-02-05 17:40:48 C 00 25 39.23 +17 44 38.2 a 233
2005-02-05 17:44:38 C 00 25 39.72 +17 44 42.4 a 233
2005-02-05 17:48:36 C 00 25 40.38 +17 44 47.9 a 233
2005-02-05 17:53:07 C 00 25 41.01 +17 44 53.5 a 233
2005-02-06 17:33:40 C 00 29 19.44 +18 15 45.9 c 113
2005-02-06 17:34:47 C 00 29 19.61 +18 15 47.2 c 113
2005-02-06 17:35:51 C 00 29 19.77 +18 15 48.8 c 113
2005-02-06 17:36:56 C 00 29 19.94 +18 15 50.2 c 113
2005-02-06 17:38:00 C 00 29 20.09 +18 15 51.4 c 113
2005-02-09 15:57:35 C 00 40 19.18 +19 46 21.8 o 084
2005-02-09 15:59:32 C 00 40 19.51 +19 46 24.2 o 084
2005-02-09 19:03:11 C 00 40 48.37 +19 50 18.8 o 434
2005-02-09 19:06:35 C 00 40 48.87 +19 50 23.0 o 434
2005-02-09 19:08:21 C 00 40 49.17 +19 50 25.1 o 434
2005-02-09 19:09:46 C 00 40 49.39 +19 50 27.0 o 434
2005-02-15 17:33:28 C 01 03 53.34 +22 46 55.6 o 084
2005-02-15 17:36:06 C 01 03 53.77 +22 46 59.0 o 084
2005-02-16 17:01:11 C 01 07 47.66 +23 15 00.0 o 084
2005-02-16 17:03:50 C 01 07 48.09 +23 15 03.1 o 084
2005-02-21 17:16:16 C 01 28 16.19 +25 33 28.0 o 084
2005-02-21 17:18:55 C 01 28 16.67 +25 33 30.8 o 084