326946 (2004 EN20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3799606148 ± 5.06e-08
Semi-major axis (a)1.8659858604 AU ± 7.90e-09
Inclination (i)40.11472375° ± 1.19e-05
Long. of Asc. Node (Ω)185.53462069° ± 5.42e-06
Arg. of Perihelion (ω)246.40147693° ± 1.46e-05
Mean Anomaly (M)240.61236749° ± 2.22e-05
Mean Motion (n)0.3866782580°/day ± 2.46e-09
Perihelion dist (q)1.15698473 AU ± 9.45e-08
Aphelion dist (Q)2.57498700 AU ± 9.50e-08
Orbital Period2.54895708 yr ± 1.62e-08
Physical Parameters
H (abs. magnitude)18.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.352″
Uncertainty0
Orbit TypeAmor
MOID0.342609 AU
Observations Used177
Oppositions13
Arc Total2004-2025
First Observation Used2004-03-15
Last Observation Used2025-05-26
Observations (181)
Date Type RA Dec Mag Band Observatory
2008-09-04 10:17:26 C 03 07 58.34 +15 39 27.9 c 711
2008-09-04 10:28:53 C 03 07 59.70 +15 39 05.0 c 711
2008-09-17 08:19:26 C 03 48 34.75 +02 18 45.7 o H55
2008-09-17 08:24:25 C 03 48 35.40 +02 18 29.6 o H55
2008-09-17 08:31:30 C 03 48 36.34 +02 18 07.3 o H55
2008-09-17 08:35:19 C 03 48 36.86 +02 17 54.9 o H55
2008-09-22 08:26:19 C 04 05 11.15 -04 30 18.8 19.3 c 704
2008-09-22 08:43:34 C 04 05 13.50 -04 31 20.6 19.3 c 704
2008-09-22 09:00:49 C 04 05 15.83 -04 32 23.0 19.3 c 704
2008-09-22 09:18:09 C 04 05 18.26 -04 33 26.0 19.6 c 704
2008-09-22 09:35:23 C 04 05 20.51 -04 34 28.6 19.7 c 704
2008-09-22 14:07:08 C 04 05 58.21 -04 50 35.7 r F85
2008-09-22 14:30:32 C 04 06 01.35 -04 52 00.4 r F85
2008-09-28 11:25:09 C 04 26 02.00 -13 46 36.0 r 703
2008-09-28 11:35:27 C 04 26 03.40 -13 47 16.4 r 703
2008-09-28 11:45:59 C 04 26 04.81 -13 47 57.4 r 703
2008-09-28 11:56:24 C 04 26 06.32 -13 48 38.1 r 703
2010-07-03 05:49:49 C 17 59 07.13 +37 51 51.8 o H21
2010-07-03 06:23:06 C 17 59 05.25 +37 51 48.1 o H21
2010-07-03 06:58:54 C 17 59 03.29 +37 51 44.2 o H21
2010-08-08 02:48:24 C 17 27 04.77 +31 49 25.8 o H21
2010-08-08 03:27:02 C 17 27 04.17 +31 49 00.4 o H21
2010-08-08 04:08:52 C 17 27 03.51 +31 48 31.8 o H21
2012-03-26 09:05:48 C 15 33 51.55 +11 24 55.2 o H21
2012-03-26 09:10:25 C 15 33 51.43 +11 25 00.4 o H21
2012-03-26 09:27:26 C 15 33 51.10 +11 25 17.3 o H21
2012-04-19 07:53:13 C 15 14 24.25 +20 29 24.7 o H21
2012-04-19 08:09:25 C 15 14 23.48 +20 29 37.7 o H21
2012-04-19 08:22:59 C 15 14 22.80 +20 29 48.9 o H21
2013-09-08 03:55:41 C 23 24 48.65 +29 08 42.0 N I41
2013-09-08 04:50:23 C 23 24 46.72 +29 07 13.2 N I41
2013-09-08 05:43:16 C 23 24 44.82 +29 05 46.7 N I41
2013-09-14 03:18:50 C 23 19 45.07 +24 34 13.5 N I41
2013-09-14 04:55:42 C 23 19 41.19 +24 30 42.6 N I41
2013-09-14 05:48:46 C 23 19 39.02 +24 28 46.3 N I41
2013-09-15 03:18:08 C 23 18 51.00 +23 40 24.1 N I41
2013-09-15 04:06:36 C 23 18 49.04 +23 38 33.9 N I41
2013-09-15 04:48:49 C 23 18 47.21 +23 36 57.7 q 703
2013-09-15 04:56:02 C 23 18 46.96 +23 36 41.7 q 703
2013-09-15 05:00:21 C 23 18 46.84 +23 36 31.2 N I41
2013-09-15 05:03:16 C 23 18 46.63 +23 36 24.9 q 703
2013-09-20 22:06:48 C 23 13 29.22 +17 42 05.5 q 160
2013-09-20 22:11:03 C 23 13 29.02 +17 41 53.6 q 160
2013-09-20 22:14:57 C 23 13 28.86 +17 41 42.4 q 160
2013-09-21 22:51:36 C 23 12 31.58 +16 29 51.2 q 160
2013-09-21 22:55:31 C 23 12 31.42 +16 29 38.9 q 160
2013-09-21 22:59:28 C 23 12 31.26 +16 29 27.1 q 160
2013-09-26 07:22:51 C 23 08 34.28 +10 58 43.1 q 703
2013-09-26 07:33:37 C 23 08 33.77 +10 58 06.3 q 703
2013-09-26 07:44:18 C 23 08 33.34 +10 57 30.7 q 703