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
2016-02-10 04:56:02 C 08 34 08.06 -18 04 28.3 R G45
2016-02-10 05:02:40 C 08 34 07.53 -18 04 13.3 R G45
2016-02-10 05:08:21 C 08 34 07.15 -18 04 00.5 R G45
2016-02-10 05:15:29 C 08 34 06.62 -18 03 44.9 R G45
2016-02-25 01:39:56 C 08 11 55.72 -01 23 49.7 u 807
2016-02-25 01:43:06 C 08 11 55.54 -01 23 39.6 u 807
2016-02-25 01:49:48 C 08 11 55.14 -01 23 17.9 u 807
2016-02-25 01:52:44 C 08 11 55.00 -01 23 08.3 u 807
2016-02-25 08:41:50 C 08 11 33.532 -01 01 19.25 L F51
2016-02-25 08:59:12 C 08 11 32.539 -01 00 22.89 L F51
2016-02-25 09:16:31 C 08 11 31.557 -00 59 26.54 L F51
2016-02-25 09:33:48 C 08 11 30.592 -00 58 30.69 L F51
2016-02-27 04:31:04 C 08 09 23.08 +01 22 16.3 u 807
2016-02-27 04:34:18 C 08 09 22.91 +01 22 26.9 u 807
2016-02-27 04:37:37 C 08 09 22.74 +01 22 37.8 u 807
2016-02-27 04:40:56 C 08 09 22.57 +01 22 48.9 u 807
2016-02-27 04:43:50 C 08 09 22.41 +01 22 58.3 u 807
2016-04-05 05:57:46 C 08 14 41.701 +41 13 31.00 L F51
2016-04-05 06:13:26 C 08 14 42.580 +41 13 55.90 L F51
2016-04-05 06:29:01 C 08 14 43.455 +41 14 20.59 L F51
2016-04-05 06:44:34 C 08 14 44.322 +41 14 45.21 L F51
2020-07-31 13:47:36 C 00 33 31.896 +05 25 29.69 U F52
2020-07-31 14:31:32 C 00 33 32.691 +05 24 29.76 U F52
2020-07-31 14:49:37 C 00 33 33.007 +05 24 05.24 U F52
2020-08-14 13:16:52 C 00 36 13.724 -03 34 18.93 U F52
2020-08-14 13:33:35 C 00 36 13.605 -03 34 49.74 U F52
2020-08-14 13:50:18 C 00 36 13.442 -03 35 20.28 U F52
2020-08-14 14:06:58 C 00 36 13.280 -03 35 51.07 U F52
2020-08-19 08:48:15 C 00 35 00.12 -07 13 59.4 V G96
2020-08-19 08:55:46 C 00 34 59.98 -07 14 14.0 V G96
2020-08-19 09:03:18 C 00 34 59.85 -07 14 28.8 V G96
2020-08-19 13:42:39 C 00 34 55.091 -07 23 34.89 U F52
2020-08-19 13:43:34 C 00 34 55.080 -07 23 36.49 U F52
2020-08-19 14:03:17 C 00 34 54.691 -07 24 15.16 U F52
2020-08-19 14:04:12 C 00 34 54.692 -07 24 17.23 U F52
2020-08-19 14:23:55 C 00 34 54.290 -07 24 55.96 U F52
2020-08-19 14:24:50 C 00 34 54.268 -07 24 57.32 U F52
2020-08-19 14:44:29 C 00 34 53.890 -07 25 36.11 U F52
2020-08-19 14:45:24 C 00 34 53.882 -07 25 37.73 U F52
2020-08-28 13:05:58 C 00 29 30.388 -14 39 47.22 U F52
2020-08-28 13:37:37 C 00 29 29.204 -14 40 52.09 U F52
2020-08-28 13:53:21 C 00 29 28.601 -14 41 24.40 U F52
2020-09-08 12:34:25 C 00 18 11.425 -23 23 27.38 U F51
2020-09-08 12:51:04 C 00 18 10.510 -23 23 58.25 U F51
2020-09-08 13:07:43 C 00 18 09.598 -23 24 29.16 U F51
2020-09-08 13:24:24 C 00 18 08.710 -23 25 00.28 U F51
2022-09-17 12:20:06 C 02 54 27.411 -27 39 44.05 U F51
2022-09-17 12:38:51 C 02 54 27.219 -27 40 10.61 U F51
2022-09-17 13:08:41 C 02 54 26.926 -27 40 53.44 U F51
2022-09-17 13:27:27 C 02 54 26.733 -27 41 19.72 U F51