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
1997-04-01 21:14:44 C 11 48 35.65 -02 01 32.3 z 127
1997-04-08 22:45:14 C 11 39 49.20 -01 52 09.4 057
1997-04-08 22:48:37 C 11 39 49.26 -01 52 11.7 057
1997-04-08 22:53:07 C 11 39 48.80 -01 52 11.8 057
1997-04-08 22:59:15 C 11 39 48.67 -01 52 11.8 057
1997-04-08 23:02:21 C 11 39 48.41 -01 52 11.8 057
1998-06-28 03:51:01 C 16 04 01.82 -47 48 34.4 z 844
1998-06-28 04:08:56 C 16 04 00.92 -47 48 29.2 z 844
1998-06-28 04:26:36 C 16 03 59.90 -47 48 25.3 z 844
1998-07-05 00:24:35 C 15 55 49.85 -46 57 31.7 z 860
1998-07-05 00:32:32 C 15 55 49.49 -46 57 28.1 z 860
1998-07-05 00:45:50 C 15 55 48.87 -46 57 23.3 z 860
1999-11-08 12:13:40 c 12 16 23.32 +02 34 28.7 d 703
1999-11-08 12:21:05 c 12 16 23.84 +02 34 24.0 d 703
1999-11-08 12:28:16 c 12 16 24.30 +02 34 19.5 d 703
1999-11-08 12:35:23 c 12 16 24.81 +02 34 15.2 d 703
2000-01-05 12:50:18 C 13 30 48.06 -09 21 17.9 c 699
2000-01-05 13:05:00 C 13 30 48.54 -09 21 24.2 c 699
2000-01-05 13:19:43 C 13 30 49.04 -09 21 29.8 c 699
2000-01-29 12:07:07 C 13 44 03.54 -12 52 05.2 i 670
2000-01-29 13:34:54 C 13 44 04.37 -12 52 34.6 i 670
2000-02-10 11:01:08 C 13 44 47.37 -14 15 05.3 16.5 c 704
2000-02-10 11:21:49 C 13 44 47.28 -14 15 10.8 17.7 c 704
2000-02-10 11:42:31 C 13 44 47.12 -14 15 15.4 17.7 c 704
2000-02-10 12:03:12 C 13 44 46.99 -14 15 21.4 16.0 c 704
2000-02-10 12:23:55 C 13 44 46.87 -14 15 27.7 16.9 c 704
2000-03-10 08:53:55 C 13 26 53.88 -16 12 13.7 13.4 c 704
2000-03-10 09:13:27 C 13 26 52.97 -16 12 14.7 13.4 c 704
2000-03-10 09:33:03 C 13 26 52.05 -16 12 16.0 13.4 c 704
2000-03-10 09:53:47 C 13 26 51.08 -16 12 17.7 13.1 c 704
2000-03-10 10:13:22 C 13 26 50.15 -16 12 18.8 13.4 c 704
2000-03-14 08:52:46 C 13 22 20.12 -16 16 45.2 16.2 c 704
2000-03-14 09:11:00 C 13 22 19.20 -16 16 46.1 16.2 c 704
2000-03-14 09:29:19 C 13 22 18.27 -16 16 46.5 16.5 c 704
2000-03-14 09:47:35 C 13 22 17.34 -16 16 47.4 16.0 c 704
2000-03-14 10:05:50 C 13 22 16.39 -16 16 48.0 16.3 c 704
2000-03-30 08:03:38 C 13 01 05.20 -16 04 07.1 16.4 c 704
2000-03-30 08:25:37 C 13 01 03.89 -16 04 05.3 16.5 c 704
2000-03-30 08:46:31 C 13 01 02.63 -16 04 03.0 16.5 c 704
2000-03-30 09:10:42 C 13 01 01.15 -16 04 01.2 16.3 c 704
2000-03-30 10:04:17 C 13 00 57.91 -16 03 56.2 16.1 c 704
2000-04-01 21:40:58 C 12 57 27.05 -15 57 52.1 z 151
2000-04-01 21:46:22 C 12 57 26.81 -15 57 52.5 z 151
2000-04-01 21:49:51 C 12 57 26.52 -15 57 51.8 z 151
2000-04-01 21:51:46 C 12 57 26.38 -15 57 50.1 z 151
2000-04-07 04:45:14 C 12 50 00.05 -15 41 57.2 z 808
2000-04-07 05:30:59 C 12 49 57.27 -15 41 51.2 z 808
2000-04-07 06:32:53 C 12 49 53.95 -15 41 47.2 15.7 c 704
2000-04-07 06:53:03 C 12 49 52.76 -15 41 44.6 15.5 c 704
2000-04-07 07:13:15 C 12 49 51.55 -15 41 42.1 15.6 c 704