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
2021-06-24 11:55:18 C 20 49 21.89 -47 59 15.4 V T05
2021-06-24 12:05:03 C 20 49 21.53 -47 59 19.2 V T05
2021-06-24 12:12:59 C 20 49 21.24 -47 59 23.1 V T05
2021-06-28 12:33:15 C 20 45 38.97 -48 41 41.8 V T05
2021-06-28 12:37:52 C 20 45 38.76 -48 41 43.8 V T05
2021-06-28 13:24:43 C 20 45 36.58 -48 42 03.9 V T05
2021-06-28 13:31:19 C 20 45 36.27 -48 42 06.9 V T05
2021-06-28 13:32:38 C 20 45 36.21 -48 42 07.5 V T05
2021-06-28 13:37:15 C 20 45 36.00 -48 42 09.4 V T05
2021-06-28 14:14:50 C 20 45 34.25 -48 42 25.3 V T05
2021-06-28 14:20:43 C 20 45 33.98 -48 42 27.9 V T05
2021-07-01 07:45:57 C 20 42 29.23 -49 10 15.1 o W92
2021-07-01 07:52:35 C 20 42 28.89 -49 10 17.6 o W92
2021-07-02 08:00:57 C 20 41 13.78 -49 20 19.0 o W92
2021-07-02 08:07:41 C 20 41 13.38 -49 20 21.6 o W92
2021-07-03 07:45:19 C 20 39 56.31 -49 29 59.7 o W92
2021-07-03 07:51:57 C 20 39 55.88 -49 30 02.1 o W92
2021-07-03 08:08:36 C 20 39 54.95 -49 30 08.9 o W92
2021-07-03 08:15:14 C 20 39 54.56 -49 30 11.7 o W92
2021-07-09 10:25:24 C 20 30 39.34 -50 24 49.4 o W92
2021-07-09 10:41:46 C 20 30 38.28 -50 24 54.7 o W92
2021-07-10 10:30:23 C 20 28 55.68 -50 32 48.3 o W92
2021-07-10 10:46:18 C 20 28 54.55 -50 32 53.0 o W92
2021-07-14 08:44:36 C 20 21 39.81 -51 00 32.9 o W92
2021-07-14 09:01:58 C 20 21 38.37 -51 00 37.2 o W92
2021-07-15 00:59:10 C 20 20 20.77 -51 04 49.2 o Z22
2021-07-15 01:15:19 C 20 20 19.45 -51 04 52.6 o Z22
2021-07-15 08:33:18 C 20 19 42.67 -51 06 33.6 o W92
2021-07-15 08:49:57 C 20 19 41.25 -51 06 37.4 o W92
2021-07-15 09:05:53 C 20 19 39.89 -51 06 41.2 o W92
2021-07-22 01:31:07 C 20 05 33.09 -51 34 45.1 o W92
2021-07-22 01:37:45 C 20 05 32.45 -51 34 45.6 o W92
2021-07-27 04:17:44 C 19 54 00.68 -51 39 49.0 o W92
2021-07-27 04:21:05 C 19 54 00.36 -51 39 48.9 o W92
2021-07-29 13:21:29 C 19 48 35.26 -51 36 49.5 q E89
2021-07-29 13:26:38 C 19 48 34.77 -51 36 49.1 q E89
2021-07-29 13:31:31 C 19 48 34.31 -51 36 48.5 q E89
2021-07-29 13:36:06 C 19 48 33.87 -51 36 48.4 q E89
2021-07-29 13:40:41 C 19 48 33.40 -51 36 47.7 q E89
2021-07-31 01:22:53 C 19 45 11.90 -51 33 12.0 q 834
2021-07-31 02:26:24 C 19 45 05.59 -51 33 04.6 q 834
2021-07-31 02:35:43 C 19 45 04.86 -51 33 03.8 o W92
2021-07-31 02:42:21 C 19 45 04.22 -51 33 03.1 o W92
2021-08-28 00:13:52 C 18 59 12.63 -46 48 16.6 q 834
2021-08-28 00:48:10 C 18 59 11.45 -46 47 54.2 q 834
2021-08-31 06:36:23 C 18 57 04.53 -45 56 31.6 V T05
2021-08-31 06:42:19 C 18 57 04.37 -45 56 27.6 V T05
2021-08-31 06:48:16 C 18 57 04.22 -45 56 23.6 V T05
2021-08-31 06:52:13 C 18 57 04.12 -45 56 20.9 V T05
2021-08-31 06:52:53 C 18 57 04.10 -45 56 20.5 V T05