2017 WX12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5624713069 ± 1.58e-07
Semi-major axis (a)2.1732770350 AU ± 7.26e-07
Inclination (i)12.48700986° ± 2.03e-06
Long. of Asc. Node (Ω)84.42937719° ± 9.41e-07
Arg. of Perihelion (ω)34.22210800° ± 5.18e-06
Mean Anomaly (M)162.56827044° ± 4.46e-04
Mean Motion (n)0.3076377596°/day ± 1.54e-07
Perihelion dist (q)0.95087106 AU ± 4.67e-07
Aphelion dist (Q)3.39568301 AU ± 1.18e-06
Orbital Period3.20385340 yr ± 1.60e-06
Physical Parameters
H (abs. magnitude)22.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.209″
Uncertainty0
Orbit TypeApollo
MOID0.021405 AU
Observations Used199
Radar Obs Used8
Oppositions1
Arc Total2017-2018
First Observation Used2017-11-20
Last Observation Used2018-03-18
Observations (205)
Date Type RA Dec Mag Band Observatory
2017-12-07 01:09:55 C 04 05 41.10 -06 59 26.8 U W85
2017-12-07 01:11:37 C 04 05 41.07 -06 59 23.2 U W85
2017-12-07 01:13:20 C 04 05 41.03 -06 59 19.1 U W85
2017-12-07 01:15:03 C 04 05 41.02 -06 59 15.3 U W85
2017-12-07 01:16:46 C 04 05 40.98 -06 59 11.2 U W85
2017-12-07 01:18:29 C 04 05 40.95 -06 59 07.5 U W85
2017-12-07 01:20:12 C 04 05 40.91 -06 59 03.5 U W85
2017-12-07 01:21:55 C 04 05 40.88 -06 58 59.6 U W85
2017-12-07 01:23:38 C 04 05 40.85 -06 58 55.7 U W85
2017-12-07 01:25:21 C 04 05 40.82 -06 58 51.8 U W85
2017-12-07 01:27:03 C 04 05 40.79 -06 58 48.1 U W85
2017-12-07 01:28:46 C 04 05 40.75 -06 58 44.1 U W85
2017-12-07 01:30:29 C 04 05 40.72 -06 58 40.2 U W85
2017-12-07 01:32:12 C 04 05 40.69 -06 58 36.4 U W85
2017-12-07 01:33:59 C 04 05 40.66 -06 58 32.2 U W85
2017-12-07 01:35:42 C 04 05 40.63 -06 58 28.5 U W85
2017-12-07 01:37:25 C 04 05 40.61 -06 58 24.4 U W85
2017-12-07 01:39:08 C 04 05 40.56 -06 58 20.5 U W85
2017-12-07 01:40:51 C 04 05 40.53 -06 58 16.6 U W85
2017-12-07 01:42:34 C 04 05 40.50 -06 58 12.9 U W85
2017-12-07 01:44:17 C 04 05 40.47 -06 58 08.9 U W85
2017-12-07 01:46:00 C 04 05 40.43 -06 58 05.0 U W85
2017-12-07 01:47:43 C 04 05 40.40 -06 58 01.0 U W85
2017-12-07 01:49:26 C 04 05 40.36 -06 57 56.8 U W85
2017-12-07 01:51:09 C 04 05 40.33 -06 57 53.1 U W85
2017-12-07 01:52:51 C 04 05 40.31 -06 57 49.3 U W85
2017-12-07 03:10:57 C 04 05 38.64 -06 54 49.2 U W87
2017-12-07 03:24:43 C 04 05 38.34 -06 54 17.4 U W87
2017-12-07 03:38:28 C 04 05 38.02 -06 53 45.2 U W87
2017-12-07 03:52:17 C 04 05 37.71 -06 53 13.0 U W87
2017-12-07 04:07:46 C 04 05 37.36 -06 52 36.8 U W87
2017-12-07 05:37:42 C 04 05 37.02 -06 50 46.0 u H21
2017-12-07 05:40:59 C 04 05 36.96 -06 50 38.2 u H21
2017-12-07 05:44:04 C 04 05 36.90 -06 50 30.7 u H21
2017-12-07 05:47:08 C 04 05 36.84 -06 50 23.5 u H21
2017-12-07 05:50:13 C 04 05 36.78 -06 50 16.3 u H21
2017-12-07 05:53:17 C 04 05 36.72 -06 50 09.1 u H21
2017-12-07 05:56:22 C 04 05 36.66 -06 50 01.7 u H21
2017-12-07 05:59:26 C 04 05 36.60 -06 49 54.3 u H21
2017-12-07 06:02:25 C 04 05 36.54 -06 49 47.4 u H21
2017-12-07 07:41:38 C 04 05 36.33 -06 45 42.9 o 691
2017-12-07 08:15:17 C 04 05 35.65 -06 44 21.7 o 691
2017-12-08 00:50:57 C 04 05 42.69 -06 00 42.1 U W85
2017-12-08 01:00:45 C 04 05 42.55 -06 00 15.9 U W85
2017-12-08 01:58:29 C 04 05 41.46 -05 57 41.4 U W85
2017-12-08 02:50:53 C 04 05 40.34 -05 55 20.2 U W85
2017-12-08 03:00:44 C 04 05 40.12 -05 54 53.5 U W85
2017-12-08 03:55:08 C 04 05 38.89 -05 52 25.6 U W87
2017-12-08 04:03:20 C 04 05 38.70 -05 52 03.0 U W87
2017-12-08 04:44:48 C 04 05 39.41 -05 51 57.4 u H21
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-12-15 05:10:00 562774 1 Hz 8560 -14 -14
2017-12-16 04:30:00 42138950 10 us 8560 -14 -14
2017-12-19 02:00:00 333592.147 0.3 Hz 8560 -14 -14
2017-12-19 02:20:00 29283356.82 2 us 8560 -14 -14
2017-12-19 04:30:00 28989393.3 2 us 8560 -14 -14
2017-12-21 02:50:00 28177.133 0.2 Hz 8560 -14 -14
2017-12-21 03:00:00 25642553.038 2 us 8560 -14 -14
2017-12-22 03:40:00 -145174.522 0.15 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)