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
2000-05-10 04:38:06 C 12 15 24.56 -13 36 42.0 17.7 c 704
2000-05-11 05:08:55 C 12 14 49.53 -13 33 33.5 18.0 c 704
2000-05-11 05:25:40 C 12 14 49.03 -13 33 31.5 18.1 c 704
2000-05-11 05:59:10 C 12 14 48.14 -13 33 29.8 17.9 c 704
2000-05-30 23:35:00 C 12 09 34.52 -12 58 25.3 z 808
2000-05-31 00:47:59 C 12 09 34.49 -12 58 23.5 z 808
2000-06-06 22:57:59 C 12 10 14.29 -12 57 56.0 z 808
2001-05-14 17:07:40 C 18 54 53.55 -47 59 59.9 322
2001-05-14 17:21:50 C 18 54 53.30 -48 00 05.7 322
2001-05-14 17:48:32 C 18 54 52.82 -48 00 16.2 322
2001-06-14 03:28:09 C 18 20 21.83 -52 09 31.4 d 808
2001-06-14 04:10:19 C 18 20 18.62 -52 09 41.3 d 808
2001-06-21 05:33:21 C 18 06 45.69 -52 35 16.0 844
2001-06-21 05:51:45 C 18 06 44.10 -52 35 17.6 844
2001-06-21 06:09:00 C 18 06 42.63 -52 35 19.0 844
2001-09-04 22:23:17 C 17 08 04.93 -43 05 41.1 c 844
2001-09-04 22:35:43 C 17 08 05.32 -43 05 36.6 c 844
2001-09-04 22:43:52 C 17 08 05.65 -43 05 33.2 c 844
2001-12-24 04:49:23 C 20 55 14.89 -22 42 12.0 16.8 c 608
2001-12-24 05:07:18 C 20 55 16.83 -22 41 57.9 16.8 c 608
2001-12-24 05:25:16 C 20 55 18.82 -22 41 43.9 16.7 c 608
2003-01-01 19:30:24 C 13 57 56.30 -15 51 33.3 c 322
2003-01-01 19:47:23 C 13 57 57.25 -15 51 40.3 c 322
2003-01-05 11:55:46 C 14 01 30.95 -16 28 28.8 c 699
2003-01-05 12:18:43 C 14 01 31.79 -16 28 38.0 c 699
2003-01-05 12:41:53 C 14 01 32.72 -16 28 47.3 c 699
2003-01-05 13:05:00 C 14 01 33.60 -16 28 57.0 c 699
2003-03-06 11:20:03 C 14 19 50.34 -24 24 09.9 c 711
2003-03-06 11:25:35 C 14 19 50.22 -24 24 10.7 c 711
2003-03-06 11:31:24 C 14 19 50.11 -24 24 11.8 c 711
2003-03-12 10:29:37 C 14 16 05.52 -24 52 27.0 17.0 c 704
2003-03-12 10:49:04 C 14 16 04.90 -24 52 30.7 17.0 c 704
2003-03-12 11:08:35 C 14 16 04.26 -24 52 34.3 17.2 c 704
2003-03-12 11:28:30 C 14 16 03.63 -24 52 38.1 17.1 c 704
2003-03-12 11:48:14 C 14 16 03.01 -24 52 41.7 17.3 c 704
2003-03-14 14:46:52 C 14 14 26.63 -25 01 17.7 c 322
2003-03-14 14:55:15 C 14 14 26.37 -25 01 19.1 c 322
2003-03-14 15:32:17 C 14 14 25.11 -25 01 25.5 c 322
2003-03-19 10:59:25 C 14 10 14.85 -25 18 15.8 16.6 c 644
2003-03-19 11:29:41 C 14 10 13.61 -25 18 19.6 16.8 c 644
2003-03-19 12:03:20 C 14 10 12.26 -25 18 23.9 16.8 c 644
2003-03-28 07:49:50 C 14 00 51.87 -25 37 25.6 o 699
2003-03-28 08:13:52 C 14 00 50.71 -25 37 26.4 o 699
2003-03-28 08:49:04 C 14 00 48.95 -25 37 28.7 o 699
2003-03-28 09:14:47 C 14 00 47.53 -25 37 30.4 o 699
2003-03-29 01:57:42 C 13 59 58.38 -25 38 18.3 J87
2003-03-29 01:59:52 C 13 59 58.22 -25 38 18.4 J87
2003-03-29 02:02:23 C 13 59 58.13 -25 38 18.8 J87
2003-04-03 17:00:44 C 13 52 59.32 -25 40 44.6 e 428
2003-04-03 17:30:50 C 13 52 57.66 -25 40 44.3 e 428