2017 WY12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5471745585 ± 2.43e-08
Semi-major axis (a)2.4794749614 AU ± 2.17e-08
Inclination (i)7.97648844° ± 2.87e-06
Long. of Asc. Node (Ω)184.31214470° ± 3.45e-05
Arg. of Perihelion (ω)275.30674133° ± 5.12e-05
Mean Anomaly (M)4.62674926° ± 1.06e-05
Mean Motion (n)0.2524484367°/day ± 3.31e-09
Perihelion dist (q)1.12276934 AU ± 6.09e-08
Aphelion dist (Q)3.83618058 AU ± 6.88e-08
Orbital Period3.90426772 yr ± 5.12e-08
Physical Parameters
H (abs. magnitude)21.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.209″
Uncertainty0
Orbit TypeAmor
MOID0.201015 AU
Observations Used64
Oppositions3
Arc Total2017-2021
First Observation Used2017-10-19
Last Observation Used2021-12-13
Observations (66)
Date Type RA Dec Mag Band Observatory
2017-10-19 12:41:22 C 03 49 38.081 +07 43 46.01 V F51
2017-11-20 11:12:11 C 04 40 46.332 -08 20 43.05 L F51
2017-11-20 11:32:47 C 04 40 47.719 -08 21 14.87 L F51
2017-11-20 11:53:24 C 04 40 49.111 -08 21 46.97 L F51
2017-11-20 12:14:01 C 04 40 50.487 -08 22 18.87 L F51
2017-11-21 09:33:01 C 04 42 27.97 -08 55 34.0 o 926
2017-11-21 09:44:40 C 04 42 28.82 -08 55 52.1 o 926
2017-11-21 09:56:14 C 04 42 29.60 -08 56 09.9 o 926
2017-11-22 05:29:49 C 04 44 02.40 -09 26 37.1 o 691
2017-11-22 05:34:12 C 04 44 02.72 -09 26 44.4 o 691
2017-11-22 05:38:38 C 04 44 03.02 -09 26 51.0 o 691
2017-11-22 05:55:44 C 04 44 03.49 -09 27 21.7 u H21
2017-11-22 05:59:11 C 04 44 03.73 -09 27 27.2 u H21
2017-11-22 06:05:32 C 04 44 04.19 -09 27 37.1 u H21
2017-11-23 13:46:31 C 04 46 33.08 -10 16 12.1 U 474
2017-11-23 13:49:34 C 04 46 33.29 -10 16 17.1 U 474
2017-11-23 13:52:36 C 04 46 33.51 -10 16 21.5 U 474
2017-11-27 08:48:01 C 04 53 59.48 -12 37 24.2 U V06
2017-11-27 08:48:51 C 04 53 59.53 -12 37 25.6 U V06
2017-11-27 08:49:40 C 04 53 59.59 -12 37 26.8 U V06
2017-11-27 08:50:29 C 04 53 59.65 -12 37 28.5 U V06
2017-11-27 08:53:16 C 04 53 59.81 -12 37 32.2 U I52
2017-11-27 08:58:30 C 04 54 00.24 -12 37 40.5 U I52
2017-11-27 09:01:08 C 04 54 00.48 -12 37 44.5 U I52
2017-12-06 06:09:23 C 05 13 25.66 -17 44 59.3 U 807
2017-12-06 06:13:23 C 05 13 26.00 -17 45 04.9 U 807
2017-12-06 06:17:15 C 05 13 26.36 -17 45 09.7 U 807
2017-12-07 07:57:08 C 05 15 59.48 -18 19 32.9 o 691
2017-12-07 08:30:46 C 05 16 02.52 -18 20 16.4 o 691
2017-12-14 05:03:52 C 05 33 23.69 -21 30 46.6 u 807
2017-12-14 05:06:32 C 05 33 23.96 -21 30 49.5 u 807
2017-12-14 05:09:12 C 05 33 24.24 -21 30 52.0 u 807
2017-12-19 05:15:52 C 05 47 13.00 -23 17 15.4 o 691
2017-12-19 05:33:26 C 05 47 14.82 -23 17 28.3 o 691
2017-12-26 08:13:14 C 06 08 15.60 -24 48 40.2 o 691
2017-12-26 08:25:52 C 06 08 17.07 -24 48 43.9 o 691
2017-12-26 08:38:30 C 06 08 18.56 -24 48 47.6 o 691
2017-12-30 06:50:05 C 06 20 30.31 -25 06 50.6 o 691
2017-12-30 07:00:11 C 06 20 31.51 -25 06 51.3 o 691
2017-12-30 07:10:18 C 06 20 32.76 -25 06 52.0 o 691
2018-01-03 09:18:38 C 06 33 28.811 -25 00 29.98 V F51
2018-01-03 09:52:26 C 06 33 32.868 -25 00 23.73 V F51
2018-01-04 04:42:38 C 06 36 01.96 -24 55 41.6 u 807
2018-01-04 04:47:55 C 06 36 02.61 -24 55 40.3 u 807
2018-01-04 04:53:11 C 06 36 03.25 -24 55 38.7 u 807
2018-01-17 00:33:08 C 07 15 54.89 -21 41 17.8 U J04
2018-01-17 00:44:15 C 07 15 56.14 -21 41 06.6 U J04
2018-02-06 06:29:46 C 08 10 00.16 -10 52 53.4 U I52
2018-02-06 06:31:30 C 08 10 00.37 -10 52 52.0 U I52
2018-02-06 06:32:05 C 08 10 00.41 -10 52 51.1 U I52