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
2008-01-10 22:19:23 C 01 09 08.39 +62 35 58.3 o 937
2008-01-14 21:20:25 C 01 41 15.60 +63 02 20.8 o 084
2008-01-14 21:22:38 C 01 41 16.37 +63 02 21.1 o 084
2008-01-14 22:07:42 C 01 41 31.83 +63 02 25.9 o 084
2008-01-14 22:52:01 C 01 41 47.09 +63 02 30.5 o 084
2008-01-14 22:54:14 C 01 41 47.85 +63 02 30.7 o 084
2008-01-14 23:39:09 C 01 42 03.35 +63 02 35.4 o 084
2008-01-14 23:41:21 C 01 42 04.11 +63 02 35.6 o 084
2008-01-15 00:21:11 C 01 42 17.91 +63 02 39.8 o 084
2008-01-15 00:23:23 C 01 42 18.68 +63 02 40.0 o 084
2008-01-15 01:02:29 C 01 42 32.27 +63 02 44.1 o 084
2008-01-15 01:53:57 C 01 42 50.19 +63 02 49.7 o 084
2008-01-15 01:56:09 C 01 42 50.96 +63 02 50.0 o 084
2008-01-15 02:35:04 C 01 43 04.50 +63 02 54.4 o 084
2008-01-15 02:37:16 C 01 43 05.30 +63 02 54.6 o 084
2008-01-15 03:20:37 C 01 43 20.41 +63 02 59.6 o 084
2008-01-15 03:22:49 C 01 43 21.16 +63 02 59.9 o 084
2008-01-15 04:48:12 C 01 43 48.98 +63 03 25.8 o H50
2008-01-15 05:16:14 C 01 43 58.53 +63 03 27.8 o H50
2008-01-15 05:47:43 C 01 44 08.95 +63 03 30.4 o H50
2008-01-15 15:13:45 C 01 47 26.49 +63 04 32.2 o 084
2008-01-15 15:56:46 C 01 47 41.05 +63 04 36.4 o 084
2008-01-15 15:58:58 C 01 47 41.77 +63 04 36.6 o 084
2008-01-15 16:39:12 C 01 47 55.42 +63 04 40.0 o 084
2008-01-15 16:41:24 C 01 47 56.19 +63 04 40.2 o 084
2008-01-20 03:25:44 C 02 24 43.29 +62 57 39.2 14.5 c 704
2008-01-20 03:43:10 C 02 24 49.07 +62 57 34.8 14.5 c 704
2008-01-20 04:00:32 C 02 24 54.91 +62 57 30.5 14.4 c 704
2008-01-20 04:19:39 C 02 25 01.31 +62 57 25.5 14.2 c 704
2008-01-20 04:37:43 C 02 25 07.38 +62 57 21.0 13.9 c 704
2008-01-20 20:13:32 C 02 30 27.86 +62 53 36.2 c J40
2008-01-20 20:16:21 C 02 30 28.77 +62 53 35.3 c J40
2008-01-20 20:33:32 C 02 30 34.49 +62 53 30.3 c J40
2008-01-23 03:12:28 C 02 49 00.17 +62 34 57.7 o H51
2008-01-23 03:13:06 C 02 49 00.39 +62 34 57.5 o H51
2008-01-23 03:13:45 C 02 49 00.60 +62 34 57.2 o H51
2008-01-23 03:14:24 C 02 49 00.80 +62 34 56.9 o H51
2008-01-23 03:15:03 C 02 49 01.03 +62 34 56.7 o H51
2008-01-23 03:15:42 C 02 49 01.24 +62 34 56.3 o H51
2008-01-23 03:16:22 C 02 49 01.45 +62 34 56.0 o H51
2008-01-23 03:17:01 C 02 49 01.66 +62 34 55.7 o H51
2008-01-23 03:17:40 C 02 49 01.88 +62 34 55.5 o H51
2008-01-23 03:18:19 C 02 49 02.10 +62 34 55.2 o H51
2008-01-24 17:49:13 C 03 01 45.75 +62 17 15.6 a 233
2008-01-24 17:55:13 C 03 01 47.66 +62 17 12.5 a 233
2008-01-24 17:59:32 C 03 01 49.02 +62 17 10.4 a 233
2008-01-27 03:19:48 C 03 20 09.51 +61 44 12.3 r H45
2008-01-27 03:21:27 C 03 20 10.03 +61 44 11.0 r H45
2008-01-27 03:22:52 C 03 20 10.43 +61 44 10.1 r H45
2008-01-27 03:23:54 C 03 20 10.76 +61 44 09.3 r H45