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
2015-12-09 02:48:38 C 04 23 43.31 +37 18 53.2 u H21
2015-12-09 02:51:16 C 04 23 43.08 +37 18 57.5 u H21
2015-12-09 22:22:15 C 04 22 09.92 +37 49 29.0 q A17
2015-12-09 22:32:23 C 04 22 08.99 +37 49 45.4 q A17
2015-12-09 22:43:22 C 04 22 07.98 +37 50 02.4 q A17
2015-12-10 02:32:40 C 04 21 47.00 +37 56 04.8 q 204
2015-12-10 02:47:35 C 04 21 45.72 +37 56 27.9 q 204
2015-12-10 03:03:00 C 04 21 44.36 +37 56 51.3 q 204
2015-12-10 18:59:32 C 04 20 29.11 +38 23 08.8 q 246
2015-12-10 19:00:09 C 04 20 29.04 +38 23 09.6 q 246
2015-12-10 19:00:59 C 04 20 29.05 +38 23 11.2 q 246
2015-12-10 19:02:58 C 04 20 28.81 +38 23 14.2 q 246
2015-12-10 19:03:31 C 04 20 28.78 +38 23 17.4 q 246
2015-12-10 19:03:50 C 04 20 28.66 +38 23 17.8 q 246
2015-12-10 22:29:03 C 04 20 09.23 +38 29 12.2 t 511
2015-12-10 22:30:06 C 04 20 09.13 +38 29 14.1 t 511
2015-12-10 22:31:09 C 04 20 09.02 +38 29 16.2 t 511
2015-12-10 22:32:13 C 04 20 08.93 +38 29 17.5 t 511
2015-12-10 22:33:16 C 04 20 08.81 +38 29 19.2 t 511
2015-12-10 22:36:26 C 04 20 08.49 +38 29 24.6 t 511
2015-12-10 22:38:32 C 04 20 08.26 +38 29 28.6 t 511
2015-12-10 22:39:35 C 04 20 08.20 +38 29 29.6 t 511
2015-12-10 22:40:38 C 04 20 08.05 +38 29 31.6 t 511
2015-12-10 22:41:41 C 04 20 07.93 +38 29 34.2 t 511
2015-12-10 22:42:44 C 04 20 07.86 +38 29 35.3 t 511
2015-12-10 22:43:47 C 04 20 07.74 +38 29 37.3 t 511
2015-12-10 22:44:50 C 04 20 07.62 +38 29 38.8 t 511
2015-12-11 04:45:46 C 04 19 36.32 +38 39 56.1 u H21
2015-12-11 04:48:42 C 04 19 35.99 +38 40 01.0 u H21
2015-12-11 04:51:39 C 04 19 35.71 +38 40 06.1 u H21
2015-12-11 04:54:35 C 04 19 35.39 +38 40 11.1 u H21
2015-12-11 04:56:21 C 04 19 35.21 +38 40 14.1 u H21
2015-12-16 03:43:01 C 04 06 58.45 +42 34 19.2 u 926
2015-12-16 03:52:39 C 04 06 57.08 +42 34 41.3 u 926
2015-12-16 04:02:16 C 04 06 55.57 +42 35 04.7 u 926
2015-12-17 03:46:09 C 04 03 42.68 +43 30 28.4 u H21
2015-12-17 03:48:09 C 04 03 42.37 +43 30 33.2 u H21
2015-12-17 03:50:07 C 04 03 42.06 +43 30 37.9 u H21
2015-12-17 03:52:04 C 04 03 41.75 +43 30 42.7 u H21
2015-12-17 03:54:02 C 04 03 41.41 +43 30 47.1 u H21
2015-12-17 03:56:00 C 04 03 41.12 +43 30 52.3 u H21
2015-12-17 03:57:57 C 04 03 40.81 +43 30 56.8 u H21
2015-12-17 03:59:55 C 04 03 40.50 +43 31 01.5 u H21
2015-12-17 04:01:24 C 04 03 42.20 +43 31 08.9 q I52
2015-12-17 04:01:53 C 04 03 40.16 +43 31 06.3 u H21
2015-12-17 04:03:50 C 04 03 39.85 +43 31 11.2 u H21
2015-12-17 04:05:10 C 04 03 41.55 +43 31 17.9 q I52
2015-12-17 04:05:48 C 04 03 39.57 +43 31 16.0 u H21
2015-12-17 04:07:45 C 04 03 39.25 +43 31 20.7 u H21
2015-12-17 04:08:33 C 04 03 41.05 +43 31 26.6 q I52
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)