2013 ER

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4431789341 ± 2.00e+00
Semi-major axis (a)1.8481231195 AU ± 3.00e+00
Inclination (i)4.69730560° ± 4.00e+00
Long. of Asc. Node (Ω)339.88514975° ± 5.00e+00
Arg. of Perihelion (ω)183.05843463° ± 6.00e+00
Mean Anomaly (M)22.91730147° ± 1.12e-01
Mean Motion (n)0.3922996400°/day ± 9.55e-01
Perihelion dist (q)1.02907240 AU ± 4.06e+00
Aphelion dist (Q)2.66711600 AU ± 5.69e+00
Orbital Period2.51238480 yr ± 6.12e+00
Physical Parameters
H (abs. magnitude)25.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.418″
Uncertainty3
Orbit TypeAmor
MOID0.037826 AU
Observations Used36
Oppositions1
Arc Total2013-2013
First Observation Used
Last Observation Used2013-03-11
Observations (38)
Date Type RA Dec Mag Band Observatory
2013-03-03 06:43:21 C 09 29 33.232 +11 01 55.39 L F51
2013-03-03 07:04:02 C 09 29 42.035 +10 58 58.60 L F51
2013-03-03 21:49:51 C 09 36 43.09 +08 47 06.1 q J95
2013-03-03 21:54:44 C 09 36 45.26 +08 46 22.7 q J95
2013-03-03 21:59:27 C 09 36 47.38 +08 45 40.4 q J95
2013-03-03 22:21:48 C 09 36 55.77 +08 42 28.5 q 198
2013-03-03 22:26:31 C 09 36 57.84 +08 41 45.8 q 198
2013-03-03 22:30:12 C 09 37 01.03 +08 41 25.1 u I93
2013-03-03 22:40:03 C 09 37 05.35 +08 39 56.7 u I93
2013-03-03 22:50:01 C 09 37 08.17 +08 38 14.5 q 198
2013-03-03 22:50:01 C 09 37 09.78 +08 38 26.8 u I93
2013-03-03 23:39:04 C 09 37 29.89 +08 31 01.2 t 204
2013-03-03 23:59:20 C 09 37 38.92 +08 27 58.2 t 204
2013-03-04 00:19:22 C 09 37 47.86 +08 24 56.9 t 204
2013-03-04 03:00:31 C 09 39 16.39 +08 01 02.3 u H21
2013-03-04 03:06:18 C 09 39 18.95 +08 00 10.4 u H21
2013-03-04 03:12:43 C 09 39 21.78 +07 59 12.6 u H21
2013-03-04 03:19:44 C 09 39 24.89 +07 58 09.5 u H21
2013-03-04 03:29:09 C 09 39 29.05 +07 56 44.6 u H21
2013-03-04 03:33:45 C 09 39 31.07 +07 56 03.0 u H21
2013-03-04 03:38:44 C 09 39 33.26 +07 55 17.8 u H21
2013-03-04 03:43:31 C 09 39 35.41 +07 54 34.3 u H21
2013-03-04 03:48:17 C 09 39 37.49 +07 53 51.2 u H21
2013-03-05 19:30:07 C 09 59 23.55 +01 43 01.8 o 033
2013-03-05 19:56:33 C 09 59 35.96 +01 38 51.2 o 033
2013-03-05 20:18:04 C 09 59 46.28 +01 35 23.0 o 033
2013-03-05 20:44:30 C 09 59 58.56 +01 31 12.8 o 033
2013-03-06 11:04:47 C 10 07 12.11 -00 40 18.6 o 474
2013-03-06 11:07:21 C 10 07 13.28 -00 40 42.3 o 474
2013-03-06 11:09:55 C 10 07 14.49 -00 41 06.9 o 474
2013-03-06 11:12:28 C 10 07 15.74 -00 41 32.0 o 474
2013-03-07 11:32:43 C 10 19 39.06 -04 33 57.5 o 474
2013-03-07 11:34:47 C 10 19 40.03 -04 34 17.0 o 474
2013-03-07 11:36:49 C 10 19 40.99 -04 34 36.2 o 474
2013-03-07 11:38:53 C 10 19 41.93 -04 34 55.6 o 474
2013-03-11 08:26:42 C 11 06 21.44 -18 15 09.0 o 291
2013-03-11 08:28:05 C 11 06 22.00 -18 15 21.2 o 291
2013-03-11 08:29:27 C 11 06 22.59 -18 15 32.2 o 291