613676 (2006 WE4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1830153781 ± 1.67e-07
Semi-major axis (a)0.7847217405 AU ± 2.81e-09
Inclination (i)24.76686554° ± 3.57e-05
Long. of Asc. Node (Ω)310.99107597° ± 3.71e-05
Arg. of Perihelion (ω)318.63089402° ± 6.06e-05
Mean Anomaly (M)315.96146469° ± 1.01e-04
Mean Motion (n)1.4178776246°/day ± 7.62e-09
Perihelion dist (q)0.64110559 AU ± 1.31e-07
Aphelion dist (Q)0.92833789 AU ± 1.31e-07
Orbital Period0.69514200 yr ± 3.73e-09
Physical Parameters
H (abs. magnitude)18.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.306″
Uncertainty0
Orbit TypeAtira
MOID0.101133 AU
Observations Used66
Radar Obs Used1
Oppositions5
Arc Total2006-2018
First Observation Used2006-11-21
Last Observation Used2025-01-12
Observations (72)
Date Type RA Dec Mag Band Observatory
2006-11-21 12:29:49 C 12 14 54.49 +14 31 40.3 r G96
2006-11-21 12:32:20 C 12 14 54.78 +14 31 35.6 r G96
2006-11-21 12:34:52 C 12 14 55.03 +14 31 30.5 r G96
2006-11-21 12:37:24 C 12 14 55.28 +14 31 25.9 r G96
2006-11-21 12:42:08 C 12 14 55.82 +14 31 17.0 r G96
2006-11-21 12:43:54 C 12 14 56.04 +14 31 13.5 r G96
2006-11-21 12:45:42 C 12 14 56.22 +14 31 10.4 r G96
2006-11-21 12:47:28 C 12 14 56.43 +14 31 06.7 r G96
2006-11-22 09:58:16 C 12 17 18.65 +13 50 20.0 r 734
2006-11-22 10:11:34 C 12 17 20.22 +13 49 52.8 r 734
2006-11-22 10:24:50 C 12 17 21.67 +13 49 28.9 r 734
2006-11-22 11:56:54 C 12 17 32.06 +13 46 31.3 r G96
2006-11-22 11:57:56 C 12 17 32.17 +13 46 29.1 r G96
2006-11-22 11:58:57 C 12 17 32.28 +13 46 27.1 r G96
2006-11-22 11:59:59 C 12 17 32.38 +13 46 25.2 r G96
2006-11-22 12:38:12 C 12 17 36.60 +13 45 11.7 r G96
2006-11-22 12:44:02 C 12 17 37.21 +13 45 00.6 r G96
2006-11-22 12:49:54 C 12 17 37.89 +13 44 49.2 r G96
2006-11-22 12:55:44 C 12 17 38.50 +13 44 37.8 r G96
2006-11-25 12:30:41 C 12 25 44.95 +11 23 33.3 d 291
2006-11-25 12:36:30 C 12 25 45.60 +11 23 20.7 d 291
2006-11-25 12:42:02 C 12 25 46.25 +11 23 09.0 d 291
2006-11-26 12:13:44 C 12 28 28.25 +10 35 43.4 d 291
2006-11-26 12:19:26 C 12 28 28.84 +10 35 33.4 d 291
2006-11-26 12:24:52 C 12 28 29.52 +10 35 20.1 d 291
2006-12-16 12:47:47 C 13 29 59.79 -07 22 05.1 s 696
2006-12-16 12:51:12 C 13 30 00.14 -07 22 14.2 r G96
2006-12-16 12:51:53 C 13 30 00.29 -07 22 15.5 s 696
2006-12-16 12:51:58 C 13 30 00.25 -07 22 15.7 r G96
2006-12-16 12:52:45 C 13 30 00.43 -07 22 17.6 r G96
2006-12-16 12:53:32 C 13 30 00.50 -07 22 19.2 r G96
2008-11-26 05:27:47 C 14 14 06.99 +42 35 55.1 o J75
2008-11-26 05:40:38 C 14 14 07.25 +42 35 44.1 o J75
2008-11-26 05:53:30 C 14 14 07.48 +42 35 32.2 o J75
2008-11-28 05:40:22 C 14 15 24.23 +41 49 48.3 o J75
2008-11-28 05:55:13 C 14 15 24.58 +41 49 33.8 o J75
2008-12-25 11:46:45 C 14 46 52.83 +23 10 02.9 o H55
2008-12-25 11:49:25 C 14 46 53.01 +23 09 55.6 o H55
2008-12-25 11:52:05 C 14 46 53.19 +23 09 48.4 o H55
2008-12-25 11:54:45 C 14 46 53.39 +23 09 40.9 o H55
2008-12-25 11:57:25 C 14 46 53.57 +23 09 33.6 o H55
2008-12-25 12:00:05 C 14 46 53.77 +23 09 26.2 o H55
2011-01-31 19:43:09 C 00 27 19.79 +27 34 50.0 v 204
2011-01-31 20:05:08 C 00 27 24.90 +27 34 17.0 v 204
2011-01-31 20:24:38 C 00 27 29.44 +27 33 47.7 v 204
2013-03-09 05:42:46 C 02 51 30.309 +23 24 33.06 t F51
2013-03-09 05:56:02 C 02 51 32.712 +23 24 26.51 t F51
2015-10-28 15:17:06 C 11 39 42.103 +40 11 17.17 t F51
2015-10-28 15:29:16 C 11 39 43.068 +40 11 03.41 t F51
2020-02-19 19:29:51 C 01 56 09.42 +22 50 14.2 V 204
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-01-23 17:36:00 112715993.67 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)