164201 (2004 EC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8600848851 ± 3.05e-08
Semi-major axis (a)1.9968627832 AU ± 1.31e-09
Inclination (i)34.58200983° ± 7.00e-06
Long. of Asc. Node (Ω)28.82252353° ± 5.91e-06
Arg. of Perihelion (ω)10.34006761° ± 6.63e-06
Mean Anomaly (M)262.66310102° ± 2.79e-06
Mean Motion (n)0.3492930480°/day ± 3.44e-10
Perihelion dist (q)0.27939129 AU ± 6.08e-08
Aphelion dist (Q)3.71433428 AU ± 6.09e-08
Orbital Period2.82177469 yr ± 2.78e-09
Physical Parameters
H (abs. magnitude)15.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.282″
Uncertainty0
Orbit TypeApollo
MOID0.412463 AU
Observations Used1059
Oppositions14
Arc Total2004-2025
First Observation Used2004-03-10
Last Observation Used2025-05-29
Observations (1134)
Date Type RA Dec Mag Band Observatory
2023-05-16 18:19:33 C 15 10 07.63 -49 19 51.9 X Q62
2024-01-23 14:52:06 C 15 04 29.654 -00 09 27.79 V T05
2024-01-23 14:56:40 C 15 04 29.597 -00 09 27.04 V T05
2024-01-23 15:04:28 C 15 04 29.630 -00 09 26.93 V T05
2024-01-23 15:36:37 C 15 04 29.705 -00 09 27.43 V T05
2024-02-08 13:58:57 C 15 01 07.829 +00 17 19.32 V T05
2024-02-08 13:59:36 C 15 01 07.824 +00 17 19.14 V T05
2024-02-08 14:02:59 C 15 01 07.735 +00 17 19.32 V T05
2024-02-08 14:08:50 C 15 01 07.642 +00 17 18.82 V T05
2024-02-08 14:10:47 C 15 01 07.514 +00 17 20.58 V T05
2024-02-08 14:29:50 C 15 01 07.104 +00 17 22.52 V T05
2024-02-08 14:30:29 C 15 01 07.154 +00 17 22.92 V T05
2024-02-10 14:13:21 C 14 59 59.076 +00 23 59.96 V T08
2024-02-10 14:16:01 C 14 59 59.038 +00 24 00.29 V T08
2024-02-10 14:23:33 C 14 59 58.800 +00 24 01.08 V T08
2024-02-10 14:25:37 C 14 59 58.750 +00 24 01.01 V T08
2024-02-10 14:30:16 C 14 59 58.627 +00 24 02.30 V T08
2024-02-10 14:38:45 C 14 59 58.342 +00 24 03.20 V T08
2024-02-10 14:40:10 C 14 59 58.373 +00 24 03.64 V T08
2024-02-10 14:58:20 C 14 59 57.840 +00 24 06.52 V T08
2024-02-11 07:33:01 C 14 59 31.877 +00 26 38.83 V W68
2024-02-11 07:35:40 C 14 59 31.817 +00 26 39.48 V W68
2024-02-11 07:43:29 C 14 59 31.572 +00 26 41.32 V W68
2024-02-11 07:57:38 C 14 59 31.205 +00 26 43.22 V W68
2024-02-12 13:07:09 C 14 58 42.211 +00 31 10.52 V T05
2024-02-12 13:10:26 C 14 58 42.120 +00 31 10.49 V T05
2024-02-12 13:11:44 C 14 58 42.113 +00 31 11.24 V T05
2024-02-12 13:14:21 C 14 58 41.990 +00 31 11.35 V T05
2024-02-12 13:18:24 C 14 58 41.856 +00 31 12.29 V T05
2024-02-12 13:42:29 C 14 58 41.071 +00 31 16.21 V T05
2024-02-12 13:43:16 C 14 58 41.105 +00 31 16.21 V T05
2024-02-12 14:00:14 C 14 58 40.615 +00 31 18.80 V T05
2024-02-17 02:11:52 C 14 55 03.355 +00 50 28.72 V M22
2024-02-17 02:35:54 C 14 55 02.390 +00 50 33.50 V M22
2024-02-17 02:57:25 C 14 55 01.586 +00 50 37.39 V M22
2024-02-17 03:03:59 C 14 55 01.296 +00 50 39.19 V M22
2024-02-20 12:24:51 C 14 51 41.062 +01 07 05.09 V T05
2024-02-20 12:46:43 C 14 51 40.058 +01 07 10.06 V T05
2024-02-20 13:03:12 C 14 51 39.355 +01 07 12.68 V T05
2024-02-20 13:15:19 C 14 51 38.731 +01 07 16.28 V T05
2024-03-06 19:46:54 C 14 29 59.763 +02 40 23.32 O18
2024-03-06 20:46:05 C 14 29 55.331 +02 40 40.32 O18
2024-03-06 22:23:27 C 14 29 48.051 +02 41 07.78 O18
2024-03-07 18:57:32 C 14 28 16.879 +02 47 00.39 O18
2024-03-07 21:35:07 C 14 28 04.834 +02 47 45.85 O18
2024-03-10 06:59:18 C 14 23 39.854 +03 04 27.37 V W68
2024-03-10 07:01:55 C 14 23 39.643 +03 04 27.77 V W68
2024-03-10 07:06:28 C 14 23 39.322 +03 04 29.82 V W68
2024-03-10 07:26:40 C 14 23 37.668 +03 04 35.04 V W68
2024-03-10 18:34:15 C 14 22 44.900 +03 07 41.75 O18