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
2014-01-03 10:33:01 C 08 58 54.48 +51 59 52.0 q 703
2014-01-10 05:07:52 C 08 45 12.15 +51 07 34.7 q 703
2014-01-10 05:16:03 C 08 45 11.43 +51 07 31.5 q 703
2014-01-10 05:24:15 C 08 45 10.71 +51 07 28.8 q 703
2014-01-10 05:32:28 C 08 45 09.84 +51 07 25.3 q 703
2014-01-14 07:13:38 C 08 36 59.35 +50 21 07.5 u H21
2014-01-14 07:18:29 C 08 36 58.90 +50 21 04.8 u H21
2014-01-14 07:23:56 C 08 36 58.39 +50 21 01.8 u H21
2014-01-14 07:28:46 C 08 36 57.94 +50 20 59.1 u H21
2014-01-14 07:32:42 C 08 36 57.60 +50 20 57.1 u H21
2014-01-17 07:29:55 C 08 31 18.80 +49 40 28.2 q 448
2014-01-17 07:49:01 C 08 31 17.19 +49 40 16.9 q 448
2014-01-17 08:07:56 C 08 31 15.53 +49 40 05.8 q 448
2014-01-18 10:32:45 C 08 29 17.444 +49 24 03.60 L F51
2014-01-18 10:50:09 C 08 29 15.956 +49 23 52.83 L F51
2014-01-18 11:29:11 C 08 29 12.604 +49 23 28.51 L F51
2014-02-21 04:55:41 C 08 05 39.96 +38 51 57.3 q G96
2014-02-21 05:02:17 C 08 05 39.99 +38 51 52.5 q G96
2014-02-21 05:08:52 C 08 05 40.07 +38 51 47.0 q G96
2014-02-21 05:15:26 C 08 05 40.12 +38 51 41.9 q G96
2015-12-03 01:27:57 C 22 11 11.39 -09 43 02.3 q G96
2015-12-03 01:37:27 C 22 11 12.70 -09 42 50.0 q G96
2015-12-03 01:46:58 C 22 11 13.97 -09 42 35.5 q G96
2015-12-03 01:56:28 C 22 11 15.29 -09 42 21.9 q G96