2018 WP

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8351406293 ± 1.64e-04
Semi-major axis (a)2.4633166989 AU ± 1.63e-03
Inclination (i)13.07792064° ± 5.23e-03
Long. of Asc. Node (Ω)62.75274591° ± 2.74e-04
Arg. of Perihelion (ω)234.33918952° ± 2.77e-03
Mean Anomaly (M)310.55933473° ± 6.77e-01
Mean Motion (n)0.2549364299°/day ± 2.54e-04
Perihelion dist (q)0.40610084 AU ± 4.85e-04
Aphelion dist (Q)4.52053256 AU ± 3.03e-03
Orbital Period3.86616492 yr ± 3.85e-03
Physical Parameters
H (abs. magnitude)20.56
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.249″
Uncertainty3
Orbit TypeApollo
MOID0.069662 AU
Observations Used59
Oppositions1
Arc Total2018-2018
First Observation Used2018-11-17
Last Observation Used2018-12-13
Observations (60)
Date Type RA Dec Mag Band Observatory
2018-11-17 09:31:41 C 05 04 13.95 +21 59 24.7 V G96
2018-11-17 09:39:04 C 05 04 12.18 +21 59 29.0 V G96
2018-11-17 09:46:26 C 05 04 10.46 +21 59 32.3 V G96
2018-11-17 09:53:49 C 05 04 08.74 +21 59 36.0 V G96
2018-11-17 11:58:28 C 05 03 39.83 +22 00 31.3 V I52
2018-11-17 12:00:04 C 05 03 39.40 +22 00 31.6 V I52
2018-11-17 12:01:40 C 05 03 39.03 +22 00 32.4 V I52
2018-11-17 12:03:16 C 05 03 38.69 +22 00 32.6 V I52
2018-11-18 01:27:44 C 05 00 37.73 +22 06 27.3 V L01
2018-11-18 01:33:57 C 05 00 36.33 +22 06 30.1 V L01
2018-11-18 01:41:25 C 05 00 34.63 +22 06 33.2 V L01
2018-11-18 01:45:45 C 05 00 33.67 +22 06 35.0 V L01
2018-11-19 00:10:05 C 04 55 38.16 +22 15 40.9 V J95
2018-11-19 00:19:09 C 04 55 36.20 +22 15 44.9 V J95
2018-11-19 00:28:51 C 04 55 34.05 +22 15 49.0 V J95
2018-11-19 00:37:39 C 04 55 32.12 +22 15 51.9 V J95
2018-11-19 07:03:14 C 04 54 09.23 +22 18 24.4 V I52
2018-11-19 07:05:26 C 04 54 08.79 +22 18 25.6 V I52
2018-11-19 07:07:38 C 04 54 08.22 +22 18 25.8 V I52
2018-11-19 07:09:50 C 04 54 07.75 +22 18 26.7 V I52
2018-11-20 05:18:05 C 04 49 27.47 +22 26 16.8 o 291
2018-11-20 05:24:06 C 04 49 26.24 +22 26 18.8 o 291
2018-11-20 05:30:44 C 04 49 24.83 +22 26 21.0 o 291
2018-11-26 11:18:39 C 04 21 39.22 +23 00 28.9 o 291
2018-11-26 11:30:14 C 04 21 37.31 +23 00 30.1 o 291
2018-11-26 11:41:51 C 04 21 35.38 +23 00 31.5 o 291
2018-11-27 11:57:12 C 04 17 43.60 +23 03 35.5 o 691
2018-11-27 12:00:05 C 04 17 43.19 +23 03 35.8 V I52
2018-11-27 12:02:07 C 04 17 42.85 +23 03 35.4 V I52
2018-11-27 12:04:08 C 04 17 42.53 +23 03 34.7 V I52
2018-11-27 12:05:30 C 04 17 42.32 +23 03 35.8 V I52
2018-11-27 12:08:51 C 04 17 41.79 +23 03 36.6 o 691
2018-11-27 12:20:26 C 04 17 39.98 +23 03 38.0 o 691
2018-11-28 09:27:08 C 04 14 26.88 +23 05 55.8 o 291
2018-11-28 09:33:23 C 04 14 25.95 +23 05 56.6 o 291
2018-11-28 11:39:24 C 04 14 06.80 +23 06 06.3 V I52
2018-11-28 11:42:34 C 04 14 06.35 +23 06 06.2 V I52
2018-11-28 11:43:40 C 04 14 06.15 +23 06 06.5 V I52
2018-11-29 03:19:41 C 04 11 50.16 +23 07 32.1 o 691
2018-11-29 03:23:45 C 04 11 49.56 +23 07 32.6 o 691
2018-11-29 03:27:50 C 04 11 48.93 +23 07 33.1 o 691
2018-11-29 06:16:31 C 04 11 24.03 +23 07 48.6 V G96
2018-11-29 06:24:41 C 04 11 22.84 +23 07 49.5 V G96
2018-11-29 06:32:49 C 04 11 21.61 +23 07 49.9 V G96
2018-11-29 06:40:57 C 04 11 20.43 +23 07 51.1 V G96
2018-12-02 22:28:27 C 03 59 43.527 +23 12 39.61 V J04
2018-12-02 22:36:23 C 03 59 42.522 +23 12 39.84 V J04
2018-12-02 22:44:19 C 03 59 41.532 +23 12 40.09 V J04
2018-12-04 07:31:54 C 03 55 50.60 +23 13 27.9 o 691
2018-12-04 07:46:31 C 03 55 48.92 +23 13 28.2 o 691