2012 ER14

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3632063812 ± 1.23e-08
Semi-major axis (a)1.6370388881 AU ± 2.44e-08
Inclination (i)6.85935761° ± 1.85e-06
Long. of Asc. Node (Ω)33.87223457° ± 5.85e-06
Arg. of Perihelion (ω)14.86065982° ± 8.32e-06
Mean Anomaly (M)269.41582381° ± 4.40e-05
Mean Motion (n)0.4705695074°/day ± 1.05e-08
Perihelion dist (q)1.04245592 AU ± 2.54e-08
Aphelion dist (Q)2.23162186 AU ± 3.89e-08
Orbital Period2.09453921 yr ± 4.67e-08
Physical Parameters
H (abs. magnitude)20.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.273″
Uncertainty0
Orbit TypeAmor
MOID0.053717 AU
Observations Used265
Oppositions2
Arc Total2012-2015
First Observation Used2012-03-14
Last Observation Used2015-12-03
Observations (274)
Date Type RA Dec Mag Band Observatory
2012-03-14 05:36:19 C 10 57 14.32 +19 13 33.0 r G96
2012-03-14 05:47:08 C 10 57 13.60 +19 13 32.7 r G96
2012-03-14 05:58:05 C 10 57 12.92 +19 13 32.4 r G96
2012-03-14 06:08:59 C 10 57 12.13 +19 13 32.0 r G96
2012-03-14 07:47:12 C 10 57 05.60 +19 13 28.2 o H01
2012-03-14 07:53:09 C 10 57 05.21 +19 13 28.2 o H01
2012-03-14 08:04:09 C 10 57 04.49 +19 13 27.5 o H01
2012-03-14 08:20:22 C 10 57 03.42 +19 13 26.9 o H01
2012-03-14 09:44:01 C 10 56 57.99 +19 13 23.4 r G96
2012-03-14 09:46:27 C 10 56 57.82 +19 13 23.1 r G96
2012-03-14 09:48:59 C 10 56 57.64 +19 13 23.4 r G96
2012-03-14 10:58:07 C 10 56 53.16 +19 13 20.6 o 291
2012-03-14 11:01:58 C 10 56 52.93 +19 13 20.3 o 291
2012-03-14 11:05:52 C 10 56 52.64 +19 13 20.0 o 291
2012-03-14 22:40:23 C 10 56 09.97 +19 12 49.1 t 204
2012-03-14 23:26:12 C 10 56 07.03 +19 12 47.6 t 204
2012-03-15 02:50:07 C 10 55 55.07 +19 12 39.2 o H01
2012-03-15 03:05:49 C 10 55 54.07 +19 12 38.6 o H01
2012-03-15 03:12:23 C 10 55 53.67 +19 12 38.4 o H01
2012-03-15 03:24:35 C 10 55 52.89 +19 12 37.9 o H01
2012-03-15 07:55:13 C 10 55 36.07 +19 12 27.8 o F65
2012-03-15 07:59:12 C 10 55 35.83 +19 12 27.7 o F65
2012-03-15 08:03:10 C 10 55 35.56 +19 12 27.6 o F65
2012-03-16 04:21:05 C 10 54 21.89 +19 11 15.9 o H01
2012-03-16 04:27:31 C 10 54 21.51 +19 11 15.7 o H01
2012-03-16 04:40:42 C 10 54 20.68 +19 11 14.9 o H01
2012-03-16 04:54:25 C 10 54 19.82 +19 11 14.1 o H01
2012-03-17 03:15:46 C 10 53 01.14 +19 09 40.9 o H01
2012-03-17 03:29:05 C 10 53 00.33 +19 09 40.0 o H01
2012-03-17 03:39:27 C 10 52 59.71 +19 09 39.4 o H01
2012-03-17 03:47:30 C 10 52 59.22 +19 09 38.8 o H01
2012-03-22 06:30:36 C 10 46 29.35 +18 56 18.2 r G96
2012-03-22 06:33:37 C 10 46 29.23 +18 56 17.2 r G96
2012-03-22 06:39:32 C 10 46 28.94 +18 56 16.6 r G96
2012-03-23 09:51:16 C 10 45 13.031 +18 52 18.15 t 568
2012-03-23 09:57:02 C 10 45 12.750 +18 52 17.24 t 568
2012-03-23 10:08:43 C 10 45 11.88 +18 52 12.7 o 291
2012-03-23 10:17:47 C 10 45 11.44 +18 52 10.7 o 291
2012-03-28 09:22:30 C 10 40 25.75 +18 30 37.8 o 291
2012-03-28 09:32:12 C 10 40 25.37 +18 30 35.8 o 291
2012-03-28 09:41:54 C 10 40 25.05 +18 30 33.6 o 291
2012-04-10 06:29:57 C 10 33 45.44 +17 10 48.8 o 291
2012-04-10 06:51:41 C 10 33 45.25 +17 10 42.0 o 291
2012-04-10 07:09:17 C 10 33 44.99 +17 10 36.8 o 291
2013-09-13 09:29:02 C 01 55 22.96 -16 00 20.6 q 703
2013-09-13 09:39:23 C 01 55 24.09 -16 00 15.1 q 703
2013-09-13 09:49:52 C 01 55 25.22 -16 00 09.3 q 703
2013-09-13 10:00:19 C 01 55 26.33 -16 00 03.3 q 703
2013-09-13 11:16:03 C 01 55 34.70 -15 59 19.3 q 703
2013-09-13 11:18:11 C 01 55 34.97 -15 59 17.5 q 703