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
2014-06-15 02:37:52 C 11 35 48.04 -05 09 30.3 u H21
2014-06-15 02:41:17 C 11 35 48.13 -05 09 30.8 u H21
2014-06-15 02:44:41 C 11 35 48.19 -05 09 31.8 u H21
2014-06-15 02:48:05 C 11 35 48.30 -05 09 32.2 u H21
2014-06-16 06:54:38 C 11 36 34.89 -05 15 41.8 L T08
2014-06-16 07:05:21 C 11 36 35.27 -05 15 45.1 L T08
2014-06-16 07:26:53 C 11 36 35.84 -05 15 48.8 L T08
2014-06-16 07:37:38 C 11 36 36.13 -05 15 53.3 L T08
2014-06-16 07:48:25 C 11 36 36.51 -05 15 54.2 L T08
2015-01-25 01:33:19 C 16 29 13.53 -34 31 45.8 o K95
2015-01-25 01:41:07 C 16 29 13.98 -34 31 48.4 o K95
2015-06-24 22:45:51 C 16 14 56.27 -48 33 00.2 q Y00
2015-06-24 23:04:11 C 16 14 55.09 -48 32 55.2 q Y00
2015-06-24 23:17:23 C 16 14 54.24 -48 32 52.0 q Y00
2015-07-31 02:38:05 C 15 47 30.52 -43 45 30.9 u 807
2015-07-31 02:41:40 C 15 47 30.52 -43 45 29.4 u 807
2015-07-31 02:45:13 C 15 47 30.51 -43 45 28.5 u 807
2015-07-31 02:48:47 C 15 47 30.55 -43 45 27.2 u 807
2015-07-31 02:52:24 C 15 47 30.52 -43 45 26.1 u 807
2015-08-17 00:47:51 C 15 53 14.45 -41 44 23.0 r Y00
2015-08-17 01:06:35 C 15 53 14.89 -41 44 16.5 r Y00
2015-08-17 01:22:44 C 15 53 15.40 -41 44 13.2 r Y00
2016-11-07 06:19:35 C 12 17 19.28 +02 09 07.3 o Z22
2016-11-07 06:25:19 C 12 17 19.70 +02 09 03.2 o Z22
2016-12-30 06:48:16 C 13 27 38.94 -08 57 23.9 q Y00
2016-12-30 07:01:24 C 13 27 39.45 -08 57 29.7 q Y00
2016-12-30 07:14:41 C 13 27 39.98 -08 57 35.2 q Y00
2017-01-16 03:38:26 S 13 40 43.02 -11 41 01.0 L C51
2017-01-16 06:47:08 S 13 40 47.67 -11 42 10.9 L C51
2017-01-16 09:55:38 S 13 40 52.248 -11 43 21.40 L C51
2017-01-16 13:04:19 S 13 40 56.87 -11 44 31.8 L C51
2017-01-16 14:38:34 S 13 40 59.17 -11 45 06.5 L C51
2017-01-16 16:13:00 S 13 41 01.44 -11 45 42.0 L C51
2017-01-16 20:55:57 S 13 41 08.28 -11 47 26.8 L C51
2017-01-17 00:04:26 S 13 41 12.768 -11 48 36.90 L C51
2017-01-17 03:13:07 S 13 41 17.31 -11 49 46.1 L C51
2017-01-20 09:48:48 S 13 43 01.346 -12 18 18.58 L C51
2017-01-24 18:53:39 C 13 44 55.38 -12 54 58.1 q Q11
2017-01-24 18:58:44 C 13 44 55.43 -12 54 59.6 q Q11
2017-01-24 19:02:47 C 13 44 55.49 -12 55 00.8 q Q11
2017-02-02 14:25:18 C 13 47 07.929 -14 02 42.83 L F51
2017-02-02 14:40:09 C 13 47 07.987 -14 02 47.43 L F51
2017-02-02 14:55:01 C 13 47 08.043 -14 02 51.78 L F51
2017-02-02 15:09:52 C 13 47 08.100 -14 02 56.39 L F51
2017-02-06 17:39:22 C 13 47 22.44 -14 31 36.8 q Q11
2017-02-06 17:43:28 C 13 47 22.41 -14 31 37.8 q Q11
2017-02-06 17:47:31 C 13 47 22.43 -14 31 39.1 q Q11
2017-02-15 14:27:07 C 13 46 02.80 -15 26 36.7 L T05
2017-02-15 14:49:42 C 13 46 02.44 -15 26 41.7 L T05
2017-02-15 15:11:35 C 13 46 02.09 -15 26 47.1 L T05