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
2018-02-06 06:32:42 C 08 10 00.48 -10 52 50.4 U I52
2018-02-21 00:34:56 C 08 41 12.51 -02 30 01.6 U 807
2018-02-21 00:39:39 C 08 41 12.85 -02 29 55.5 U 807
2018-02-21 00:44:40 C 08 41 13.23 -02 29 49.0 U 807
2018-03-05 01:16:29 C 09 03 20.62 +02 49 22.7 U 807
2018-03-05 01:24:17 C 09 03 21.16 +02 49 30.3 U 807
2018-03-05 01:32:19 C 09 03 21.71 +02 49 37.7 U 807
2018-03-17 07:58:25 C 09 24 12.476 +06 31 07.45 V F51
2018-03-17 08:16:41 C 09 24 13.641 +06 31 18.19 V F51
2018-03-17 08:53:14 C 09 24 15.991 +06 31 39.32 V F51
2021-11-06 14:34:51 C 08 17 27.068 +02 46 00.56 V F51
2021-11-06 15:12:50 C 08 17 34.005 +02 45 18.08 V F51
2021-12-13 11:58:32 C 10 47 18.44 -11 43 56.4 V V06
2021-12-13 12:04:15 C 10 47 19.25 -11 44 00.2 V V06
2021-12-13 12:09:59 C 10 47 20.05 -11 44 04.6 V V06
2021-12-13 12:15:42 C 10 47 20.89 -11 44 08.8 V V06