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
2009-03-05 15:56:26 C 15 47 07.05 -34 25 05.6 r E16
2009-03-05 15:58:06 C 15 47 07.06 -34 25 06.2 r E16
2009-03-20 15:52:12 C 15 47 03.58 -36 19 07.6 r E12
2009-03-20 16:04:18 C 15 47 03.48 -36 19 11.1 r E12
2009-03-20 16:16:24 C 15 47 03.33 -36 19 14.9 r E12
2009-03-20 16:28:36 C 15 47 03.19 -36 19 18.8 r E12
2009-05-03 08:39:11 C 15 06 21.62 -39 23 54.0 r I21
2009-05-03 08:50:02 C 15 06 21.07 -39 23 53.4 r I21
2009-05-04 15:38:34 C 15 04 28.66 -39 23 08.9 r E12
2009-05-04 15:54:12 C 15 04 27.66 -39 23 08.6 r E12
2009-05-04 16:09:47 C 15 04 26.72 -39 23 08.0 r E12
2009-05-04 16:25:21 C 15 04 25.71 -39 23 07.4 r E12
2009-05-15 15:22:48 C 14 48 18.97 -38 59 17.3 r E12
2009-05-15 15:36:22 C 14 48 18.10 -38 59 15.3 r E12
2009-05-15 15:50:04 C 14 48 17.28 -38 59 13.1 r E12
2009-05-15 16:03:46 C 14 48 16.41 -38 59 10.4 r E12
2009-05-21 03:06:29 C 14 40 34.39 -38 36 40.1 r 808
2009-05-21 03:15:59 C 14 40 33.83 -38 36 38.2 r 808
2009-05-21 03:25:30 C 14 40 33.32 -38 36 36.1 r 808
2009-05-23 03:08:29 C 14 37 52.10 -38 26 54.7 r 808
2009-05-23 03:15:29 C 14 37 51.66 -38 26 54.2 r 808
2009-05-23 03:32:49 C 14 37 50.64 -38 26 49.4 r 808
2009-05-30 12:20:32 C 14 28 39.21 -37 45 20.1 r E12
2009-05-30 12:30:41 C 14 28 38.71 -37 45 17.4 r E12
2009-05-30 12:40:52 C 14 28 38.21 -37 45 14.9 r E12
2009-05-30 12:51:36 C 14 28 37.67 -37 45 12.2 r E12
2009-06-10 01:01:30 C 14 18 08.64 -36 36 41.2 r 808
2009-06-10 01:12:00 C 14 18 08.26 -36 36 38.9 r 808
2009-06-10 01:21:30 C 14 18 07.92 -36 36 35.5 r 808
2009-06-11 08:27:23 C 14 17 04.93 -36 27 48.9 r 432
2009-06-11 08:48:23 C 14 17 04.19 -36 27 43.4 r 432
2009-06-11 09:09:24 C 14 17 03.45 -36 27 37.4 r 432
2009-06-12 07:57:36 C 14 16 19.44 -36 21 11.1 r 432
2009-06-12 08:23:16 C 14 16 18.61 -36 21 04.0 r 432
2009-06-12 08:45:16 C 14 16 17.82 -36 20 58.0 r 432
2009-06-13 11:39:21 C 14 15 28.11 -36 13 22.2 o D25
2009-06-13 12:36:50 C 14 15 26.33 -36 13 06.2 o D25
2009-06-13 13:39:57 C 14 15 24.30 -36 12 48.2 o D25
2009-06-16 13:52:08 C 14 13 23.48 -35 52 32.1 r E12
2009-06-16 14:29:10 C 14 13 22.47 -35 52 21.8 r E12
2009-06-23 08:05:56 C 14 09 58.73 -35 08 24.4 r 432
2009-06-23 08:21:11 C 14 09 58.41 -35 08 20.5 r 432
2009-07-19 11:24:39 C 14 10 07.805 -32 59 23.99 r E12
2009-08-09 08:47:12 C 14 22 45.72 -32 17 45.9 r 432
2009-08-09 09:23:20 C 14 22 46.93 -32 17 44.9 r 432
2009-08-09 09:57:44 C 14 22 48.07 -32 17 43.9 r 432
2009-08-14 08:22:57 C 14 27 03.80 -32 15 24.4 r 432
2009-08-14 08:54:05 C 14 27 04.92 -32 15 24.1 r 432
2009-08-14 09:24:05 C 14 27 06.11 -32 15 23.5 r 432
2009-08-14 10:03:19 C 14 27 07.52 -32 15 22.7 r E12