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
2004-05-02 07:59:53 C 20 26 13.00 -41 16 07.9 r 859
2004-05-02 08:05:15 C 20 26 13.27 -41 16 09.0 r 859
2004-05-02 08:11:29 C 20 26 13.51 -41 16 10.3 r 859
2004-05-11 16:57:23 C 20 35 36.88 -42 08 45.8 r E12
2004-05-11 17:13:42 C 20 35 37.53 -42 08 49.7 r E12
2004-05-11 17:30:02 C 20 35 38.11 -42 08 54.0 r E12
2004-05-11 17:46:28 C 20 35 38.67 -42 08 58.4 r E12
2004-06-07 06:02:32 C 20 48 29.16 -45 45 11.1 r 859
2004-06-07 06:10:23 C 20 48 29.14 -45 45 14.3 r 859
2004-06-07 06:18:52 C 20 48 29.11 -45 45 17.9 r 859
2004-06-07 06:31:41 C 20 48 29.06 -45 45 23.2 r 859
2004-06-20 04:58:50 C 20 44 04.91 -48 01 11.9 r 859
2004-06-20 05:38:11 C 20 44 03.67 -48 01 29.5 r 859
2004-06-24 14:31:48 C 20 40 29.41 -48 48 12.0 r E12
2004-06-24 14:41:40 C 20 40 29.00 -48 48 16.6 r E12
2004-06-24 14:51:31 C 20 40 28.60 -48 48 21.1 r E12
2004-06-24 15:01:28 C 20 40 28.18 -48 48 25.7 r E12
2004-06-25 05:14:14 C 20 39 53.66 -48 54 42.0 r 859
2004-06-25 05:28:27 C 20 39 53.04 -48 54 48.3 r 859
2004-06-25 05:41:47 C 20 39 52.46 -48 54 54.1 r 859
2004-06-27 05:31:36 C 20 37 47.69 -49 15 40.9 r 859
2004-06-27 05:41:20 C 20 37 47.18 -49 15 45.5 r 859
2004-06-27 05:51:00 C 20 37 46.70 -49 15 49.6 r 859
2004-06-27 06:00:57 C 20 37 46.21 -49 15 53.8 r 859
2004-07-03 12:42:54 C 20 29 39.98 -50 17 30.7 r E17
2004-07-03 12:47:13 C 20 29 39.70 -50 17 32.4 r E17
2004-07-03 12:51:33 C 20 29 39.43 -50 17 34.0 r E17
2004-07-05 04:03:01 C 20 27 09.50 -50 32 17.9 r 859
2004-07-05 04:15:15 C 20 27 08.65 -50 32 22.3 r 859
2004-07-05 04:27:02 C 20 27 07.87 -50 32 26.7 r 859
2004-07-05 04:39:17 C 20 27 07.01 -50 32 31.1 r 859
2004-07-20 14:04:57 C 19 57 05.48 -52 02 32.6 r E12
2004-07-20 14:24:14 C 19 57 03.63 -52 02 34.4 r E12
2004-07-20 14:43:26 C 19 57 01.78 -52 02 36.1 r E12
2004-07-20 15:02:39 C 19 56 59.93 -52 02 37.8 r E12
2004-07-26 01:32:52 C 19 44 42.55 -52 05 50.4 r 859
2004-07-26 01:41:07 C 19 44 41.73 -52 05 50.1 r 859
2004-07-26 01:50:23 C 19 44 40.81 -52 05 49.7 r 859
2004-07-26 01:57:13 C 19 44 40.13 -52 05 49.4 r 859
2004-07-27 01:32:00 C 19 42 26.29 -52 04 31.7 r 859
2004-07-27 01:40:31 C 19 42 25.45 -52 04 31.1 r 859
2004-07-27 01:47:33 C 19 42 24.77 -52 04 30.8 r 859
2004-07-27 01:54:40 C 19 42 24.06 -52 04 30.2 r 859
2004-07-28 02:23:26 C 19 40 05.32 -52 02 32.1 r 859
2004-07-28 02:31:18 C 19 40 04.55 -52 02 31.4 r 859
2004-07-28 02:39:57 C 19 40 03.70 -52 02 30.6 r 859
2004-07-28 02:51:19 C 19 40 02.59 -52 02 29.6 r 859
2004-07-30 01:14:39 C 19 35 42.33 -51 57 01.5 r 859
2004-07-30 01:41:32 C 19 35 39.74 -51 56 58.2 r 859
2004-07-31 01:03:45 C 19 33 30.09 -51 53 21.5 r 859