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
2021-12-13 19:18:13 C 21 41 32.59 -09 22 48.3 q 006
2021-12-13 19:20:13 C 21 41 32.77 -09 22 46.2 q 006
2021-12-13 19:22:13 C 21 41 33.02 -09 22 43.8 q 006
2021-12-13 19:24:10 C 21 41 33.23 -09 22 41.3 q 006
2021-12-13 19:26:11 C 21 41 33.46 -09 22 39.1 q 006
2021-12-13 19:36:08 C 21 41 34.52 -09 22 26.9 q 006
2021-12-13 19:38:09 C 21 41 34.76 -09 22 25.2 q 006
2021-12-13 19:40:09 C 21 41 35.01 -09 22 22.1 q 006
2021-12-13 19:42:48 C 21 41 35.26 -09 22 19.0 q 006
2021-12-15 19:40:40 C 21 46 56.16 -08 24 44.1 o Z22
2021-12-15 19:47:20 C 21 46 56.88 -08 24 36.2 o Z22
2021-12-16 04:40:07 C 21 47 56.65 -08 13 50.8 V T08
2021-12-16 04:44:45 C 21 47 57.15 -08 13 44.8 V T08
2021-12-16 04:52:43 C 21 47 58.02 -08 13 35.5 V T08
2021-12-16 05:07:21 C 21 47 59.64 -08 13 17.8 V T08
2021-12-18 04:45:14 C 21 53 21.92 -07 15 15.0 V T05
2021-12-18 04:49:51 C 21 53 22.43 -07 15 09.3 V T05
2021-12-18 05:00:31 C 21 53 23.62 -07 14 56.2 V T05
2021-12-18 05:21:01 C 21 53 25.91 -07 14 31.1 V T05
2021-12-20 17:23:42 C 22 00 16.70 -06 00 21.4 X K87
2021-12-20 17:26:53 C 22 00 17.06 -06 00 17.5 X K87
2021-12-20 17:30:06 C 22 00 17.42 -06 00 13.6 X K87
2021-12-20 19:03:29 C 22 00 28.00 -05 58 16.1 q 006
2021-12-20 19:05:26 C 22 00 28.23 -05 58 15.3 q 006
2021-12-20 19:07:23 C 22 00 28.44 -05 58 11.7 q 006
2021-12-20 19:09:20 C 22 00 28.68 -05 58 11.4 q 006
2021-12-20 19:11:16 C 22 00 28.92 -05 58 06.8 q 006
2021-12-20 19:13:14 C 22 00 29.10 -05 58 04.4 q 006
2022-01-05 02:07:19 C 22 44 17.88 +01 57 27.8 V 703
2022-01-05 02:15:34 C 22 44 18.88 +01 57 38.9 V 703
2022-01-05 02:23:49 C 22 44 19.90 +01 57 49.6 V 703
2022-01-05 02:32:04 C 22 44 20.93 +01 58 01.0 V 703
2022-01-13 05:37:58 C 23 09 15.99 +06 22 30.9 V T08
2022-01-13 05:43:16 C 23 09 16.68 +06 22 38.1 V T08
2022-01-13 05:51:14 C 23 09 17.71 +06 22 49.0 V T08
2022-01-13 06:07:53 C 23 09 19.88 +06 23 11.8 V T08
2022-01-13 20:04:31 C 23 11 09.77 +06 42 15.6 o Z22
2022-01-13 20:09:50 C 23 11 10.48 +06 42 23.2 o Z22
2022-01-13 20:17:13 C 23 11 11.44 +06 42 33.1 o Z22
2022-01-14 18:21:57 C 23 14 06.33 +07 12 46.7 V L43
2022-01-14 19:04:53 C 23 14 11.97 +07 13 45.3 V L43
2022-01-14 19:34:01 C 23 14 15.83 +07 14 24.7 V L43
2022-01-17 14:56:40 C 23 23 16.14 +08 46 55.6 q C97
2022-01-17 14:58:24 C 23 23 16.37 +08 46 57.9 q C97
2022-01-17 15:00:07 C 23 23 16.59 +08 47 00.4 q C97
2022-01-17 15:01:53 C 23 23 16.83 +08 47 02.8 q C97
2022-01-21 05:07:27 C 23 35 02.84 +10 45 18.1 V T08
2022-01-21 05:12:05 C 23 35 03.48 +10 45 24.6 V T08
2022-01-21 05:20:04 C 23 35 04.56 +10 45 35.4 V T08
2022-01-21 05:34:42 C 23 35 06.57 +10 45 55.4 V T08