2018 CW2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4224811278 ± 2.26e-07
Semi-major axis (a)0.7599069205 AU ± 1.03e-08
Inclination (i)5.09697538° ± 7.32e-06
Long. of Asc. Node (Ω)331.90176076° ± 1.07e-05
Arg. of Perihelion (ω)327.71484995° ± 2.10e-05
Mean Anomaly (M)122.88254591° ± 2.51e-05
Mean Motion (n)1.4878929180°/day ± 3.01e-08
Perihelion dist (q)0.43886059 AU ± 1.72e-07
Aphelion dist (Q)1.08095325 AU ± 1.72e-07
Orbital Period0.66243093 yr ± 1.34e-08
NGA Modelr2
A2-4.68098758e-13 ± 2.25e-14 AU/d²
Physical Parameters
H (abs. magnitude)25.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.559″
Uncertainty0
Orbit TypeAten
MOID0.004404 AU
Observations Used159
Radar Obs Used3
Oppositions2
Arc Total2018-2022
First Observation Used2018-02-09
Last Observation Used2022-02-17
Observations (159)
Date Type RA Dec Mag Band Observatory
2020-02-15 05:13:03 C 10 15 45.34 +39 29 23.2 V I52
2020-02-15 05:13:31 C 10 15 44.32 +39 29 30.6 V I52
2020-02-15 05:13:51 C 10 15 32.76 +39 29 31.1 u H21
2020-02-15 06:23:29 C 10 13 12.53 +39 47 40.3 U I41
2020-02-15 06:23:58 C 10 13 11.30 +39 47 48.3 U I41
2020-02-15 06:24:49 C 10 13 09.61 +39 48 01.3 U I41
2020-02-15 06:25:18 C 10 13 08.33 +39 48 09.0 U I41
2020-02-15 06:42:38 C 10 12 29.50 +39 52 42.1 U I41
2020-02-15 06:43:08 C 10 12 28.33 +39 52 49.4 U I41
2020-02-15 07:17:43 C 10 11 09.50 +40 01 53.0 U I41
2020-02-15 07:18:12 C 10 11 08.35 +40 02 00.6 U I41
2020-02-15 17:42:03 C 09 45 57.45 +42 40 05.6 V K61
2020-02-15 17:45:42 C 09 45 47.31 +42 41 06.4 V K61
2020-02-15 17:48:13 C 09 45 40.32 +42 41 47.5 V K61
2020-02-16 05:16:09 C 09 09 25.69 +45 41 04.3 U I41
2020-02-16 05:16:39 C 09 09 23.74 +45 41 12.3 U I41
2020-02-16 06:22:09 C 09 05 16.75 +45 57 16.1 U I41
2020-02-16 06:22:38 C 09 05 14.75 +45 57 23.0 U I41
2020-02-16 06:23:32 C 09 05 11.45 +45 57 34.7 U I41
2020-02-16 06:24:02 C 09 05 09.54 +45 57 41.8 U I41
2020-02-16 19:08:03 C 08 12 29.42 +48 24 34.7 t L04
2020-02-16 19:12:10 C 08 12 09.81 +48 25 11.5 t L04
2020-02-16 19:54:58 C 08 08 55.97 +48 30 02.3 V J69
2020-02-16 20:00:47 C 08 08 28.16 +48 30 52.4 V J69
2020-02-16 20:06:43 C 08 07 59.51 +48 31 44.8 V J69
2022-02-06 14:07:47 C 12 55 55.036 +09 16 01.05 V T12
2022-02-06 14:11:25 C 12 55 55.197 +09 16 01.89 V T12
2022-02-06 14:14:54 C 12 55 55.348 +09 16 02.72 V T12
2022-02-08 12:46:20 C 13 00 02.913 +09 29 33.23 U F52
2022-02-08 13:00:56 C 13 00 03.844 +09 29 38.91 U F52
2022-02-08 13:30:15 C 13 00 05.678 +09 29 50.17 U F52
2022-02-09 11:08:09 C 13 02 33.170 +09 38 23.02 U F52
2022-02-09 11:24:51 C 13 02 34.626 +09 38 31.67 U F52
2022-02-09 11:45:29 C 13 02 29.15 +09 38 17.8 o 691
2022-02-09 11:56:12 C 13 02 30.00 +09 38 21.8 o 691
2022-02-09 11:59:06 C 13 02 37.526 +09 38 49.33 U F52
2022-02-12 07:30:59 C 13 13 59.57 +10 22 23.2 o 691
2022-02-12 07:54:47 C 13 14 04.40 +10 22 48.7 o 691
2022-02-12 08:18:34 C 13 14 09.13 +10 23 14.0 o 691
2022-02-14 08:41:50 C 13 31 11.45 +11 30 46.6 V 703
2022-02-14 08:49:31 C 13 31 14.79 +11 31 02.9 V 703
2022-02-14 09:04:52 C 13 31 21.76 +11 31 37.0 V 703
2022-02-14 11:54:48 C 13 32 55.19 +11 38 43.4 V T08
2022-02-14 11:58:47 C 13 32 57.06 +11 38 52.0 V T08
2022-02-14 12:03:25 C 13 32 59.25 +11 39 02.6 V T08
2022-02-14 12:10:44 C 13 33 02.79 +11 39 21.3 V T08
2022-02-15 09:36:23 C 13 48 12.29 +12 35 27.8 V G96
2022-02-15 09:43:48 C 13 48 18.29 +12 35 53.7 V G96
2022-02-15 09:51:11 C 13 48 24.26 +12 36 19.6 V G96
2022-02-15 09:58:33 C 13 48 30.23 +12 36 45.6 V G96
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2022-02-19 22:00:00 -533339.704 0.25 Hz 8560 -14 -14
2022-02-19 22:40:00 11181302.45 2 us 8560 -14 -14
2022-02-19 23:00:00 11257047.12 0.3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)