2015 WE2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5170300794 ± 3.86e-08
Semi-major axis (a)1.8684571992 AU ± 8.28e-09
Inclination (i)3.35622932° ± 3.09e-06
Long. of Asc. Node (Ω)28.32106169° ± 5.71e-05
Arg. of Perihelion (ω)117.68155583° ± 5.59e-05
Mean Anomaly (M)300.08812214° ± 1.13e-05
Mean Motion (n)0.3859113443°/day ± 2.57e-09
Perihelion dist (q)0.90240863 AU ± 7.22e-08
Aphelion dist (Q)2.83450577 AU ± 7.31e-08
Orbital Period2.55402257 yr ± 1.70e-08
Physical Parameters
H (abs. magnitude)22.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.243″
Uncertainty0
Orbit TypeApollo
MOID0.017722 AU
Observations Used237
Radar Obs Used1
Oppositions1
Arc Total2015-2021
First Observation Used2015-11-19
Last Observation Used2021-05-17
Observations (244)
Date Type RA Dec Mag Band Observatory
2015-12-02 06:48:49 C 04 33 35.21 +33 44 21.5 u H21
2015-12-02 06:52:01 C 04 33 35.92 +33 44 30.1 u 926
2015-12-02 06:52:27 C 04 33 35.01 +33 44 25.6 u H21
2015-12-02 06:56:05 C 04 33 34.79 +33 44 29.6 u H21
2015-12-02 06:59:42 C 04 33 34.60 +33 44 33.7 u H21
2015-12-02 07:03:19 C 04 33 34.40 +33 44 37.6 u H21
2015-12-02 07:24:45 C 04 33 33.85 +33 45 06.8 t 705
2015-12-02 07:26:12 C 04 33 33.76 +33 45 08.3 t 705
2015-12-02 07:27:39 C 04 33 33.67 +33 45 09.8 t 705
2015-12-03 06:04:52 C 04 32 27.87 +34 10 50.1 u H21
2015-12-03 06:24:35 C 04 32 26.66 +34 11 12.8 u H21
2015-12-03 06:46:53 C 04 32 25.31 +34 11 38.6 u H21
2015-12-03 06:51:04 C 04 32 25.04 +34 11 43.4 u H21
2015-12-03 06:55:15 C 04 32 24.79 +34 11 47.8 u H21
2015-12-03 06:59:27 C 04 32 24.54 +34 11 52.8 u H21
2015-12-04 07:29:16 C 04 31 07.99 +34 41 09.2 t 705
2015-12-04 07:30:43 C 04 31 07.88 +34 41 10.9 t 705
2015-12-04 07:32:09 C 04 31 07.78 +34 41 12.5 t 705
2015-12-04 18:35:03 C 04 30 34.16 +34 54 27.8 q Z62
2015-12-04 18:43:29 C 04 30 33.69 +34 54 38.6 q Z62
2015-12-04 18:50:51 C 04 30 33.26 +34 54 48.5 q Z62
2015-12-05 06:28:07 C 04 29 50.55 +35 09 46.4 q H45
2015-12-05 06:30:29 C 04 29 50.32 +35 09 49.1 q H45
2015-12-05 06:32:46 C 04 29 50.27 +35 09 52.4 q H45
2015-12-05 06:34:24 C 04 29 50.11 +35 09 53.7 q H45
2015-12-05 06:36:22 C 04 29 49.95 +35 09 56.9 q H45
2015-12-05 06:38:06 C 04 29 49.84 +35 09 58.4 q H45
2015-12-05 06:39:35 C 04 29 49.72 +35 10 00.3 q H45
2015-12-05 06:40:59 C 04 29 49.64 +35 10 02.7 q H45
2015-12-06 04:57:01 C 04 28 30.30 +35 39 00.6 u H21
2015-12-06 05:01:12 C 04 28 29.99 +35 39 06.2 u H21
2015-12-06 05:05:23 C 04 28 29.71 +35 39 11.9 u H21
2015-12-06 05:09:34 C 04 28 29.40 +35 39 17.4 u H21
2015-12-06 05:13:45 C 04 28 29.10 +35 39 23.0 u H21
2015-12-06 05:17:56 C 04 28 28.79 +35 39 28.6 u H21
2015-12-06 05:22:07 C 04 28 28.48 +35 39 34.3 u H21
2015-12-06 05:26:36 C 04 28 28.13 +35 39 40.4 u H21
2015-12-07 03:57:05 C 04 27 03.55 +36 10 22.6 o 926
2015-12-07 04:13:03 C 04 27 02.33 +36 10 45.0 o 926
2015-12-07 04:29:45 C 04 27 01.04 +36 11 09.6 o 926
2015-12-08 05:13:37 C 04 25 18.43 +36 46 37.0 q 703
2015-12-08 05:20:49 C 04 25 17.69 +36 46 46.9 q 703
2015-12-08 05:28:02 C 04 25 17.06 +36 46 57.7 q 703
2015-12-08 05:35:17 C 04 25 16.44 +36 47 08.1 q 703
2015-12-09 02:28:29 C 04 23 45.03 +37 18 20.8 u H21
2015-12-09 02:31:25 C 04 23 44.80 +37 18 25.5 u H21
2015-12-09 02:35:33 C 04 23 44.45 +37 18 32.0 u H21
2015-12-09 02:39:46 C 04 23 44.07 +37 18 39.0 u H21
2015-12-09 02:42:47 C 04 23 43.79 +37 18 43.6 u H21
2015-12-09 02:45:42 C 04 23 43.55 +37 18 48.5 u H21
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-01-17 14:57:00 -102290.8066 0.1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)