2017 WR28

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2813257957 ± 3.14e-05
Semi-major axis (a)1.4771986967 AU ± 7.11e-05
Inclination (i)41.98200611° ± 1.35e-03
Long. of Asc. Node (Ω)241.10462094° ± 9.66e-05
Arg. of Perihelion (ω)205.82621270° ± 1.73e-03
Mean Anomaly (M)147.13168603° ± 1.14e-01
Mean Motion (n)0.5489766876°/day ± 3.96e-05
Perihelion dist (q)1.06162460 AU ± 6.90e-05
Aphelion dist (Q)1.89277280 AU ± 1.02e-04
Orbital Period1.79538823 yr ± 1.30e-04
Physical Parameters
H (abs. magnitude)22.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.238″
Uncertainty3
Orbit TypeAmor
MOID0.096032 AU
Observations Used66
Oppositions1
Arc Total2017-2018
First Observation Used2017-11-27
Last Observation Used2018-01-11
Observations (72)
Date Type RA Dec Mag Band Observatory
2017-11-28 05:37:36 C 02 16 50.58 +00 16 43.8 u H21
2017-12-03 01:49:21 C 02 23 15.10 -23 29 06.6 U 807
2017-12-03 01:54:31 C 02 23 15.30 -23 29 54.4 U 807
2017-12-03 01:59:43 C 02 23 15.53 -23 30 42.7 U 807
2017-12-07 02:34:54 C 02 28 13.53 -35 17 51.8 u 807
2017-12-07 02:42:45 C 02 28 13.81 -35 18 36.5 u 807
2017-12-07 02:50:36 C 02 28 14.08 -35 19 21.1 u 807
2017-12-14 03:39:57 C 02 36 28.48 -46 23 54.2 U 807
2017-12-14 03:52:38 C 02 36 29.01 -46 24 27.3 U 807
2017-12-14 04:04:55 C 02 36 29.46 -46 24 59.6 U 807
2017-12-20 03:31:22 C 02 43 20.00 -51 19 12.8 u 807
2017-12-20 03:51:40 C 02 43 20.72 -51 19 43.1 u 807
2017-12-20 04:11:34 C 02 43 21.47 -51 20 13.3 u 807
2018-01-06 02:56:23 C 03 03 23.70 -57 20 21.6 U 807
2018-01-06 03:19:54 C 03 03 24.75 -57 20 32.2 U 807
2018-01-06 03:42:46 C 03 03 25.80 -57 20 42.2 U 807
2018-01-10 03:09:37 C 03 08 27.14 -57 59 36.7 U 807
2018-01-10 03:31:25 C 03 08 28.19 -57 59 43.9 U 807
2018-01-10 03:52:38 C 03 08 29.19 -57 59 50.1 U 807
2018-01-11 01:44:55 C 03 09 40.68 -58 07 23.8 U 807
2018-01-11 02:10:42 C 03 09 41.88 -58 07 32.1 U 807
2018-01-11 02:36:27 C 03 09 43.10 -58 07 39.8 U 807