2018 WK2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4108482310 ± 9.42e-06
Semi-major axis (a)2.0210556605 AU ± 4.05e-05
Inclination (i)5.21450974° ± 9.20e-05
Long. of Asc. Node (Ω)43.57181675° ± 1.40e-04
Arg. of Perihelion (ω)52.93604239° ± 3.83e-04
Mean Anomaly (M)142.74163403° ± 2.61e-02
Mean Motion (n)0.3430400798°/day ± 1.03e-05
Perihelion dist (q)1.19070852 AU ± 3.05e-05
Aphelion dist (Q)2.85140280 AU ± 6.02e-05
Orbital Period2.87321028 yr ± 8.63e-05
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.205″
Uncertainty2
Orbit TypeAmor
MOID0.220299 AU
Observations Used40
Oppositions1
Arc Total2018-2019
First Observation Used2018-11-28
Last Observation Used2019-01-25
Observations (41)
Date Type RA Dec Mag Band Observatory
2018-11-28 08:25:29 C 04 28 13.98 +31 55 07.9 V G96
2018-11-28 08:32:59 C 04 28 14.06 +31 55 15.9 V G96
2018-11-28 08:47:55 C 04 28 14.19 +31 55 33.0 V G96
2018-11-28 11:29:06 C 04 28 15.96 +31 58 26.0 V I52
2018-11-28 11:33:27 C 04 28 16.03 +31 58 30.6 V I52
2018-11-28 11:37:49 C 04 28 16.11 +31 58 35.0 V I52
2018-11-28 11:40:59 C 04 28 16.12 +31 58 38.7 V I52
2018-11-29 03:01:51 C 04 28 37.29 +32 15 51.4 V H01
2018-11-29 03:07:44 C 04 28 37.37 +32 15 58.5 V H01
2018-11-29 03:25:28 C 04 28 37.61 +32 16 19.3 V H01
2018-11-29 03:39:49 C 04 28 37.80 +32 16 36.2 V H01
2018-11-29 06:19:02 C 04 28 38.95 +32 19 38.0 U H36
2018-11-29 06:49:57 C 04 28 39.25 +32 20 12.6 U H36
2018-11-29 07:10:11 C 04 28 39.46 +32 20 35.4 U H36
2018-11-30 01:18:48 C 04 28 59.19 +32 40 55.2 V L01
2018-11-30 01:22:11 C 04 28 59.20 +32 40 59.2 V L01
2018-11-30 01:36:46 C 04 28 59.39 +32 41 14.6 V L01
2018-11-30 01:40:41 C 04 28 59.48 +32 41 18.9 V L01
2018-12-01 22:23:20 C 04 29 52.42 +33 31 52.9 S 033
2018-12-01 22:27:53 C 04 29 52.48 +33 31 58.1 S 033
2018-12-01 22:32:26 C 04 29 52.54 +33 32 03.2 S 033
2018-12-02 01:24:38 C 04 29 54.53 +33 35 20.6 V K63
2018-12-02 01:30:13 C 04 29 54.51 +33 35 27.3 V K63
2018-12-02 01:41:42 C 04 29 54.73 +33 35 39.0 V K63
2018-12-09 05:45:48 C 04 33 49.68 +36 49 23.8 V G96
2018-12-09 05:53:19 C 04 33 49.81 +36 49 31.8 V G96
2018-12-09 06:00:50 C 04 33 49.92 +36 49 40.3 V G96
2018-12-09 06:08:21 C 04 33 50.02 +36 49 48.6 V G96
2019-01-08 20:39:38 C 05 20 18.146 +46 01 50.70 V J04
2019-01-08 20:50:25 C 05 20 19.191 +46 01 54.23 V J04
2019-01-09 02:54:16 C 05 20 57.52 +46 03 20.6 V G96
2019-01-09 03:02:01 C 05 20 58.29 +46 03 22.9 V G96
2019-01-09 03:09:45 C 05 20 59.05 +46 03 25.3 V G96
2019-01-15 06:17:30 C 05 37 32.017 +46 22 12.17 U F52
2019-01-15 06:36:15 C 05 37 33.991 +46 22 13.39 U F52
2019-01-15 06:54:50 C 05 37 35.959 +46 22 14.43 U F52
2019-01-15 07:13:35 C 05 37 37.914 +46 22 15.43 U F52
2019-01-25 05:04:31 C 06 07 15.99 +45 45 18.7 V G96
2019-01-25 05:12:46 C 06 07 17.04 +45 45 15.8 V G96
2019-01-25 05:21:21 C 06 07 18.03 +45 45 13.6 V G96
2019-01-25 05:29:31 C 06 07 18.97 +45 45 10.7 V G96