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
2015-12-26 02:29:34 C 03 12 39.84 +55 12 49.3 u H21
2015-12-26 21:20:08 C 03 04 20.50 +56 36 12.0 q I89
2015-12-26 21:23:02 C 03 04 17.68 +56 36 03.2 q B82
2015-12-26 21:34:30 C 03 04 11.95 +56 36 54.1 q B82
2015-12-26 21:45:49 C 03 04 06.27 +56 37 44.5 q B82
2015-12-26 21:57:09 C 03 04 00.55 +56 38 34.4 q B82
2015-12-26 22:03:57 C 03 03 57.19 +56 39 04.6 q B82
2015-12-26 22:17:46 C 03 03 51.02 +56 40 29.0 q I89
2015-12-27 04:18:53 C 03 01 00.00 +57 08 02.9 q U69
2015-12-27 04:30:39 C 03 00 53.76 +57 08 57.2 q U69
2015-12-27 18:20:54 C 02 53 41.69 +58 13 03.3 q A17
2015-12-27 18:37:59 C 02 53 31.63 +58 14 25.4 q A17
2015-12-27 18:54:31 C 02 53 21.91 +58 15 44.9 q A17
2015-12-28 20:13:08 C 02 37 41.56 +60 18 21.3 q C77
2015-12-28 20:16:28 C 02 37 39.10 +60 18 37.6 q C77
2015-12-28 20:19:53 C 02 37 36.61 +60 18 54.3 q C77
2015-12-29 07:00:38 C 02 29 48.03 +61 11 39.1 u 926
2015-12-29 07:04:14 C 02 29 45.27 +61 11 55.7 u 926
2015-12-29 07:07:51 C 02 29 42.33 +61 12 12.5 u 926
2015-12-31 03:43:37 C 01 48 21.64 +64 53 47.1 o 926
2015-12-31 03:46:55 C 01 48 17.62 +64 54 01.6 o 926
2015-12-31 03:50:15 C 01 48 13.40 +64 54 17.5 o 926
2016-01-02 03:24:15 C 00 40 03.31 +68 12 29.3 u 926
2016-01-02 03:26:47 C 00 39 58.74 +68 12 37.3 u 926
2016-01-02 03:29:19 C 00 39 54.17 +68 12 45.0 u 926
2016-01-05 23:30:43 S 21 27 21.703 +66 44 35.52 L C51
2016-01-06 01:05:09 S 21 24 15.900 +66 35 15.18 L C51
2020-10-20 08:06:23 C 01 48 06.630 +11 05 32.06 V F51
2020-10-20 08:23:02 C 01 48 05.437 +11 05 27.38 V F51
2020-10-20 08:39:47 C 01 48 04.178 +11 05 23.12 V F51
2020-10-20 08:56:33 C 01 48 02.951 +11 05 18.43 V F51
2020-10-23 10:25:04 C 01 42 43.633 +10 44 42.27 V F51
2020-10-23 10:45:53 C 01 42 42.018 +10 44 36.58 V F51
2020-10-23 11:04:56 C 01 42 40.537 +10 44 30.99 V F51
2020-10-23 11:24:04 C 01 42 39.090 +10 44 25.23 V F51
2020-11-10 08:49:47 C 01 09 50.006 +08 31 55.80 V F51
2020-11-10 09:04:29 C 01 09 48.883 +08 31 50.98 V F51
2020-11-10 09:19:08 C 01 09 47.797 +08 31 47.04 V F51
2021-05-13 06:24:38 C 10 35 17.691 +07 28 37.06 V F51
2021-05-13 06:58:49 C 10 35 26.382 +07 27 30.31 V F51
2021-05-13 07:15:52 C 10 35 30.696 +07 26 56.73 V F51
2021-05-17 00:44:30 C 10 57 39.19 +04 38 52.8 V 807
2021-05-17 00:56:44 C 10 57 41.99 +04 38 30.6 V 807
2021-05-17 01:08:25 C 10 57 44.68 +04 38 09.3 V 807
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)