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
2019-12-11 15:01:00 C 13 35 25.50 -12 28 29.9 V T08
2019-12-11 15:17:10 C 13 35 26.38 -12 28 37.2 V T08
2019-12-11 15:50:40 C 13 35 28.06 -12 28 52.5 V T08
2020-01-02 14:49:58 C 14 00 18.60 -16 23 41.0 V T05
2020-01-02 14:53:56 C 14 00 18.77 -16 23 42.6 V T05
2020-01-02 15:02:25 C 14 00 19.11 -16 23 46.2 V T05
2020-01-02 15:18:44 C 14 00 19.78 -16 23 53.0 V T05
2020-01-04 04:13:37 C 14 01 50.81 -16 39 20.4 V C95
2020-01-04 04:21:01 C 14 01 51.10 -16 39 23.8 V C95
2020-01-07 12:09:57 C 14 05 01.01 -17 12 19.2 V 703
2020-01-07 12:21:41 C 14 05 01.54 -17 12 25.0 V 703
2020-01-07 12:27:31 C 14 05 01.83 -17 12 28.7 V 703
2020-01-21 15:27:13 C 14 16 30.59 -19 25 36.4 V T05
2020-01-21 15:29:59 C 14 16 30.67 -19 25 37.5 V T05
2020-01-21 15:32:47 C 14 16 30.74 -19 25 38.4 V T05
2020-01-21 15:36:15 C 14 16 30.83 -19 25 39.9 V T05
2020-01-21 15:37:34 C 14 16 30.88 -19 25 40.5 V T05
2020-01-21 15:47:57 C 14 16 31.16 -19 25 44.1 V T05
2020-01-21 15:52:23 C 14 16 31.28 -19 25 46.0 V T05
2020-01-21 15:55:12 C 14 16 31.37 -19 25 47.1 V T05
2020-01-23 15:54:16 C 14 17 51.40 -19 43 44.0 V T08
2020-01-23 15:58:51 C 14 17 51.51 -19 43 45.5 V T08
2020-01-23 16:02:12 C 14 17 51.59 -19 43 46.8 V T08
2020-01-23 16:06:46 C 14 17 51.71 -19 43 48.8 V T08
2020-01-25 14:54:10 C 14 19 05.16 -20 01 05.2 V T05
2020-01-25 14:59:39 C 14 19 05.31 -20 01 07.1 V T05
2020-01-25 15:05:42 C 14 19 05.45 -20 01 09.3 V T05
2020-01-25 15:16:37 C 14 19 05.73 -20 01 13.5 V T05
2020-01-27 15:35:55 C 14 20 16.45 -20 18 49.4 V T08
2020-01-27 15:41:23 C 14 20 16.57 -20 18 51.4 V T08
2020-01-27 15:50:16 C 14 20 16.75 -20 18 54.6 V T08
2020-01-27 15:58:12 C 14 20 16.94 -20 18 57.7 V T08
2020-01-29 13:56:48 C 14 21 19.47 -20 35 28.4 V T05
2020-01-29 14:17:46 C 14 21 19.91 -20 35 35.9 V T05
2020-01-29 14:22:32 C 14 21 20.00 -20 35 37.6 V T05
2020-01-29 14:40:49 C 14 21 20.39 -20 35 44.6 V T05
2020-01-30 12:19:37 C 14 21 48.00 -20 43 26.7 V G96
2020-01-30 12:26:59 C 14 21 48.16 -20 43 29.2 V G96
2020-01-30 12:34:22 C 14 21 48.29 -20 43 31.9 V G96
2020-01-30 12:41:44 C 14 21 48.44 -20 43 34.5 V G96
2020-01-30 23:03:41 C 14 22 01.48 -20 47 10.3 o K95
2020-01-30 23:33:08 C 14 22 02.11 -20 47 20.9 o K95
2020-01-31 02:22:10 C 14 22 05.44 -20 48 21.1 o K95
2020-01-31 02:52:26 C 14 22 06.04 -20 48 31.3 o K95
2020-02-03 06:50:12 C 14 23 31.54 -21 15 04.1 o Z22
2020-02-03 07:02:20 C 14 23 31.72 -21 15 08.7 o Z22
2020-02-08 14:54:45 C 14 25 23.13 -21 58 14.3 V T08
2020-02-08 15:02:46 C 14 25 23.19 -21 58 16.8 V T08
2020-02-08 15:06:59 C 14 25 23.23 -21 58 18.7 V T08
2020-02-08 15:25:27 C 14 25 23.44 -21 58 24.1 V T08