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
2024-11-11 06:55:02 C 21 31 42.996 +39 40 51.28 V T05
2024-11-11 07:20:38 C 21 31 42.804 +39 41 39.88 V T05
2024-11-11 07:30:25 C 21 31 42.744 +39 41 58.42 V T05
2024-11-11 16:28:46 C 21 31 45.58 +39 59 13.7 X G02
2024-11-11 16:33:29 C 21 31 45.57 +39 59 22.9 X G02
2024-11-11 16:38:10 C 21 31 45.55 +39 59 31.9 X G02
2024-11-11 19:35:24 B 21 31 44.899 +40 05 15.32 V 160
2024-11-11 19:39:43 B 21 31 44.875 +40 05 23.57 V 160
2024-11-11 19:43:58 B 21 31 44.858 +40 05 31.60 V 160
2024-11-11 21:48:46 B 21 31 44.950 +40 09 27.72 q Y84
2024-11-11 21:55:41 B 21 31 44.954 +40 09 40.79 q Y84
2024-11-11 22:02:34 B 21 31 44.942 +40 09 54.00 q Y84
2024-11-13 06:18:10 C 21 31 55.982 +41 11 56.18 V T05
2024-11-13 06:22:45 C 21 31 55.975 +41 12 04.72 V T05
2024-11-13 06:37:07 C 21 31 55.961 +41 12 31.39 V T05
2024-11-13 06:45:41 C 21 31 55.946 +41 12 47.27 V T05
2024-11-13 18:34:44 B 21 32 02.914 +41 34 58.91 V 160
2024-11-13 18:39:03 B 21 32 02.930 +41 35 07.26 V 160
2024-11-13 18:43:18 B 21 32 02.947 +41 35 15.50 V 160
2024-11-13 22:55:18 B 21 32 04.495 +41 42 59.65 q Y84
2024-11-13 23:28:45 B 21 32 04.766 +41 44 00.56 q Y84
2024-11-13 23:58:50 B 21 32 05.047 +41 44 55.57 q Y84
2024-11-14 19:34:08 B 21 32 19.550 +42 21 46.76 V 160
2024-11-14 19:39:51 B 21 32 19.586 +42 21 57.24 V 160
2024-11-15 07:08:08 C 21 32 28.728 +42 43 24.13 V T05
2024-11-15 07:28:15 C 21 32 28.882 +42 44 00.28 V T05
2024-11-15 07:32:23 C 21 32 28.925 +42 44 07.62 V T05
2024-11-15 07:40:52 C 21 32 28.944 +42 44 23.17 V T08
2024-11-15 07:42:27 C 21 32 28.985 +42 44 25.55 V T05
2024-11-15 07:48:18 C 21 32 29.014 +42 44 36.42 V T08
2024-11-15 08:04:01 C 21 32 29.148 +42 45 04.46 V T08
2024-11-15 08:08:05 C 21 32 29.179 +42 45 11.63 V T08
2024-11-15 18:31:46 B 21 32 40.445 +43 04 18.23 V 160
2024-11-15 18:36:05 B 21 32 40.483 +43 04 26.08 V 160
2024-11-15 18:40:20 B 21 32 40.522 +43 04 33.82 V 160
2024-11-16 01:41:38 S 21 32 48.343 +43 17 24.95 X 275
2024-11-16 16:03:57 C 21 33 04.71 +43 43 41.3 X G02
2024-11-16 16:08:29 C 21 33 04.77 +43 43 49.5 X G02
2024-11-16 16:12:48 C 21 33 04.82 +43 43 57.4 X G02
2024-11-17 07:33:15 C 21 33 21.919 +44 11 53.81 V T05
2024-11-17 07:38:34 C 21 33 21.994 +44 12 02.99 V T05
2024-11-17 08:01:43 C 21 33 22.354 +44 12 43.45 V T05
2024-11-17 08:25:41 C 21 33 22.752 +44 13 24.96 V T05
2024-11-18 15:42:11 B 21 34 10.51 +45 09 25.5 X L76
2024-11-18 15:44:14 B 21 34 10.53 +45 09 29.0 X L76
2024-11-18 15:46:16 B 21 34 10.60 +45 09 32.7 X L76
2024-11-18 15:48:19 B 21 34 10.62 +45 09 36.3 X L76
2024-11-18 15:50:23 B 21 34 10.66 +45 09 40.0 X L76
2024-11-18 15:52:26 B 21 34 10.71 +45 09 43.5 X L76
2024-11-19 06:57:03 C 21 34 34.670 +45 36 34.38 V T05