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
2017-12-15 07:05:30 C 04 07 39.90 +10 10 22.9 U 703
2017-12-16 01:36:14 C 04 08 34.94 +13 52 32.6 q G48
2017-12-16 01:37:06 C 04 08 34.98 +13 52 44.1 q G48
2017-12-16 01:37:55 C 04 08 34.97 +13 52 54.5 q G48
2017-12-17 00:22:53 C 04 09 26.03 +19 31 59.8 q 160
2017-12-17 00:25:46 C 04 09 26.09 +19 32 47.5 q 160
2017-12-17 00:28:37 C 04 09 26.14 +19 33 35.0 q 160
2017-12-17 23:16:24 C 04 11 08.94 +26 48 44.5 q 160
2017-12-17 23:17:14 C 04 11 08.98 +26 49 02.3 q 160
2017-12-17 23:19:20 C 04 11 09.05 +26 49 47.3 q 160
2017-12-17 23:21:25 C 04 11 09.12 +26 50 31.9 q 160
2017-12-17 23:22:13 C 04 11 09.17 +26 50 49.2 q 160
2017-12-18 09:41:48 C 04 12 11.61 +30 47 41.1 U T08
2017-12-18 09:56:21 C 04 12 11.96 +30 53 29.0 U T08
2017-12-18 10:00:26 C 04 12 12.06 +30 55 06.3 U T08
2017-12-18 10:24:23 C 04 12 12.70 +31 04 38.5 U T08
2017-12-18 23:10:16 C 04 13 55.16 +36 31 01.9 U Z80
2017-12-18 23:11:44 C 04 13 55.34 +36 31 41.6 U Z80
2017-12-18 23:13:12 C 04 13 55.40 +36 32 22.1 U Z80
2017-12-18 23:15:02 C 04 13 55.52 +36 33 11.4 U Z80
2017-12-18 23:16:51 C 04 13 55.68 +36 34 01.7 U Z80
2017-12-18 23:18:19 C 04 13 55.81 +36 34 41.3 U Z80
2017-12-18 23:19:25 C 04 13 55.91 +36 35 11.5 U Z80
2017-12-18 23:20:30 C 04 13 55.98 +36 35 41.4 U Z80
2017-12-18 23:21:36 C 04 13 56.10 +36 36 11.0 U Z80
2017-12-18 23:22:41 C 04 13 56.16 +36 36 40.5 U Z80
2017-12-19 00:07:04 C 04 13 55.81 +36 57 19.1 q 160
2017-12-19 00:09:54 C 04 13 56.04 +36 58 36.4 q 160
2017-12-19 00:12:45 C 04 13 56.31 +36 59 54.9 q 160
2017-12-20 04:17:28 C 04 20 20.60 +51 33 13.8 U 703
2017-12-20 04:25:18 C 04 20 22.04 +51 37 43.6 U 703
2017-12-20 04:41:00 C 04 20 25.08 +51 46 45.3 U 703
2017-12-26 06:19:24 S 15 41 56.150 +60 53 10.72 L C51
2017-12-30 12:29:45 C 15 51 23.97 +45 49 16.0 U G96
2017-12-30 12:36:45 C 15 51 24.11 +45 48 38.4 U G96
2017-12-30 12:43:45 C 15 51 24.21 +45 48 02.3 U G96
2017-12-30 12:50:43 C 15 51 24.33 +45 47 25.7 U G96
2018-02-04 12:10:09 C 16 07 05.91 +25 17 29.6 o 695
2018-02-04 12:30:41 C 16 07 06.00 +25 17 21.3 o 695
2018-02-04 12:51:12 C 16 07 06.07 +25 17 12.5 o 695
2018-02-12 10:36:15 C 16 08 30.92 +24 05 51.2 u H21
2018-02-12 10:50:57 C 16 08 30.88 +24 05 46.9 u H21
2018-02-12 11:06:34 C 16 08 30.80 +24 05 41.9 u H21
2018-03-09 09:36:30 C 15 56 30.43 +22 02 03.5 u H21
2018-03-09 09:53:09 C 15 56 29.57 +22 02 01.2 u H21
2018-03-09 10:10:09 C 15 56 28.67 +22 01 58.5 u H21
2018-03-10 10:25:18 C 15 55 18.23 +21 58 09.7 u H21
2018-03-10 10:37:51 C 15 55 17.54 +21 58 07.7 u H21
2018-03-10 10:51:34 C 15 55 16.79 +21 58 05.5 u H21
2018-03-13 09:29:46 C 15 51 31.96 +21 46 36.5 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)