2018 WP2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5224011030 ± 4.02e-03
Semi-major axis (a)1.9487433311 AU ± 1.65e-02
Inclination (i)7.90517024° ± 3.59e-02
Long. of Asc. Node (Ω)55.04855380° ± 3.47e-02
Arg. of Perihelion (ω)309.60419149° ± 8.29e-02
Mean Anomaly (M)220.99793685° ± 1.21e+01
Mean Motion (n)0.3635560300°/day ± 4.61e-03
Perihelion dist (q)0.92888870 AU ± 1.11e-02
Aphelion dist (Q)2.95963850 AU ± 2.63e-02
Orbital Period2.71102000 yr ± 3.44e-02
Physical Parameters
H (abs. magnitude)21.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.474″
Uncertainty3
Orbit TypeApollo
MOID0.031142 AU
Observations Used83
Oppositions1
Arc Total2018-2019
First Observation Used
Last Observation Used2019-01-07
Observations (86)
Date Type RA Dec Mag Band Observatory
2018-12-09 07:01:53 C 02 00 47.14 +23 34 22.6 o 291
2018-12-10 01:22:58 C 02 04 32.13 +24 07 17.5 V I52
2018-12-10 01:24:04 C 02 04 32.33 +24 07 19.6 V I52
2018-12-10 01:25:09 C 02 04 32.55 +24 07 21.5 V I52
2018-12-10 01:26:16 C 02 04 32.78 +24 07 23.6 V I52
2018-12-10 01:33:41 C 02 04 34.18 +24 07 37.1 V G96
2018-12-10 01:41:49 C 02 04 35.73 +24 07 51.3 V G96
2018-12-10 01:49:58 C 02 04 37.28 +24 08 06.1 V G96
2018-12-10 01:58:05 C 02 04 38.83 +24 08 20.1 V G96
2018-12-12 05:40:53 C 02 14 26.52 +25 31 05.2 o 691
2018-12-12 05:54:17 C 02 14 28.78 +25 31 25.1 o 691
2018-12-12 06:07:43 C 02 14 31.16 +25 31 44.3 o 691
2018-12-23 04:29:34 C 02 54 40.26 +29 55 09.9 o 695
2018-12-23 04:42:19 C 02 54 41.83 +29 55 18.0 o 695
2018-12-24 08:31:11 C 02 58 15.452 +30 12 58.31 V F51
2018-12-30 06:58:03 C 03 15 09.77 +31 23 47.9 o 291
2018-12-30 07:23:58 C 03 15 12.60 +31 23 57.3 o 291
2018-12-30 07:49:54 C 03 15 15.46 +31 24 06.7 o 291
2019-01-04 01:37:37 C 03 27 32.76 +32 03 11.9 u H21
2019-01-04 02:01:45 C 03 27 35.16 +32 03 19.3 u H21
2019-01-04 02:23:39 C 03 27 37.32 +32 03 25.8 u H21
2019-01-04 08:06:23 C 03 28 11.84 +32 05 02.4 o 291
2019-01-04 08:20:36 C 03 28 13.34 +32 05 06.4 o 291
2019-01-04 08:34:49 C 03 28 14.70 +32 05 09.3 o 291
2019-01-05 02:26:19 C 03 30 06.52 +32 10 10.7 u H21
2019-01-05 02:50:01 C 03 30 08.82 +32 10 16.6 u H21
2019-01-05 03:18:24 C 03 30 11.58 +32 10 24.4 u H21
2019-01-05 07:26:12 C 03 30 36.32 +32 11 30.3 o 291
2019-01-05 07:39:23 C 03 30 37.65 +32 11 33.2 o 291
2019-01-05 07:52:33 C 03 30 38.96 +32 11 35.8 o 291
2019-01-06 00:39:41 C 03 32 23.19 +32 16 00.3 u H21
2019-01-06 01:00:37 C 03 32 25.28 +32 16 06.1 u H21
2019-01-06 01:27:09 C 03 32 27.90 +32 16 13.2 u H21
2019-01-07 05:17:03 C 03 35 16.629 +32 23 05.09 V F51
2019-01-07 05:43:16 C 03 35 19.105 +32 23 11.50 V F51
2019-01-07 05:56:31 C 03 35 20.406 +32 23 15.55 V F51