455407 (2003 ER)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2360005721 ± 4.36e-08
Semi-major axis (a)1.5127288286 AU ± 3.02e-09
Inclination (i)36.10030536° ± 1.27e-05
Long. of Asc. Node (Ω)155.99345589° ± 5.15e-06
Arg. of Perihelion (ω)68.62671023° ± 2.58e-05
Mean Anomaly (M)30.04707618° ± 2.99e-05
Mean Motion (n)0.5297496164°/day ± 1.59e-09
Perihelion dist (q)1.15572396 AU ± 6.59e-08
Aphelion dist (Q)1.86973370 AU ± 6.60e-08
Orbital Period1.86055120 yr ± 5.58e-09
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.318″
Uncertainty0
Orbit TypeAmor
MOID0.302925 AU
Observations Used145
Oppositions9
Arc Total2003-2022
First Observation Used2003-01-30
Last Observation Used2022-09-20
Observations (153)
Date Type RA Dec Mag Band Observatory
2003-03-08 05:32:39 C 08 57 15.92 +21 14 13.4 m 446
2003-03-08 05:39:36 C 08 57 15.65 +21 14 40.9 m 446
2003-03-08 05:41:47 C 08 57 15.70 +21 14 48.0 19.1 c 704
2003-03-08 06:00:52 C 08 57 14.78 +21 16 01.6 19.3 c 704
2003-03-08 06:19:55 C 08 57 13.84 +21 17 13.8 19.1 c 704
2003-03-08 06:36:59 C 08 57 12.81 +21 18 19.7 m 446
2003-03-08 06:38:32 C 08 57 12.97 +21 18 25.9 19.4 c 704
2003-03-08 06:45:20 C 08 57 12.43 +21 18 53.2 m 446
2003-03-08 06:51:59 C 08 57 12.09 +21 19 18.0 m 446
2003-03-08 06:57:35 C 08 57 12.01 +21 19 38.7 19.6 c 704
2003-03-09 03:11:44 C 08 56 22.94 +22 37 03.2 c 858
2003-03-09 03:21:38 C 08 56 22.47 +22 37 41.4 c 858
2003-03-09 03:31:52 C 08 56 21.96 +22 38 20.0 c 858
2003-03-20 19:24:41 C 08 49 25.60 +38 05 49.3 c 540
2003-03-20 19:33:46 C 08 49 25.48 +38 06 15.2 c 540
2003-03-20 19:42:52 C 08 49 25.36 +38 06 40.1 c 540
2003-03-20 21:38:24 C 08 49 24.23 +38 12 03.4 941
2003-03-20 21:40:02 C 08 49 24.19 +38 12 07.8 941
2003-03-20 21:41:41 C 08 49 24.18 +38 12 12.1 941
2003-03-20 21:43:19 C 08 49 24.14 +38 12 16.5 941
2003-03-20 21:46:36 C 08 49 24.09 +38 12 25.8 941
2003-03-20 21:48:15 C 08 49 24.07 +38 12 30.5 941
2003-04-20 20:29:45 C 09 23 32.35 +58 32 25.5 c 540
2003-04-20 20:51:25 C 09 23 34.35 +58 32 42.4 c 540
2003-07-05 06:31:20 C 13 58 02.44 +53 32 59.4 c 568
2003-07-05 07:07:05 C 13 58 07.38 +53 32 19.0 c 568
2003-07-05 07:16:59 C 13 58 08.89 +53 32 08.1 c 568
2003-07-05 07:26:41 C 13 58 10.35 +53 31 56.3 c 568
2003-07-05 07:36:38 C 13 58 11.73 +53 31 45.5 c 568
2003-07-05 07:46:19 C 13 58 13.16 +53 31 34.0 c 568
2003-07-20 21:21:49 C 14 51 15.88 +45 08 53.3 c 540
2003-08-24 20:04:46 C 16 37 48.32 +18 03 38.9 c 540
2005-03-08 15:06:11 C 17 24 59.08 +23 26 10.2 o F65
2005-03-08 15:13:59 C 17 25 00.51 +23 26 23.2 o F65
2005-03-08 15:23:22 C 17 25 02.20 +23 26 39.3 o F65
2005-04-08 13:47:41 C 19 27 26.42 +38 49 31.2 o F65
2005-04-08 13:51:52 C 19 27 27.02 +38 49 34.8 o F65
2005-04-09 13:10:32 C 19 30 40.11 +39 08 03.4 o F65
2005-04-09 13:16:44 C 19 30 40.96 +39 08 09.2 o F65
2005-08-30 21:20:13 C 20 55 06.45 -04 04 30.9 o 461
2005-08-30 21:25:43 C 20 55 06.27 -04 04 46.0 o 461
2005-08-30 21:31:11 C 20 55 06.13 -04 05 01.6 o 461
2007-08-23 07:01:46 C 01 01 52.03 -11 03 33.1 o H55
2007-08-23 07:22:59 C 01 01 51.67 -11 04 12.3 o H55
2007-08-23 08:02:17 C 01 01 51.40 -11 05 25.6 o H55
2016-01-14 05:49:18 C 09 09 33.25 -30 52 25.4 u 807
2016-01-14 05:52:41 C 09 09 33.14 -30 52 24.0 u 807
2016-01-14 05:56:15 C 09 09 32.97 -30 52 22.8 u 807
2016-01-14 05:59:28 C 09 09 32.83 -30 52 22.1 u 807
2016-01-14 06:03:03 C 09 09 32.73 -30 52 21.1 u 807