2018 CU1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5665286636 ± 2.68e-08
Semi-major axis (a)1.9116392221 AU ± 5.87e-09
Inclination (i)19.66256468° ± 1.33e-05
Long. of Asc. Node (Ω)341.40706008° ± 5.65e-06
Arg. of Perihelion (ω)99.07239159° ± 9.53e-06
Mean Anomaly (M)354.88365747° ± 5.42e-06
Mean Motion (n)0.3729094399°/day ± 1.72e-09
Perihelion dist (q)0.82864081 AU ± 5.13e-08
Aphelion dist (Q)2.99463764 AU ± 5.21e-08
Orbital Period2.64307142 yr ± 1.22e-08
Physical Parameters
H (abs. magnitude)21.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.368″
Uncertainty0
Orbit TypeApollo
MOID0.111050 AU
Observations Used180
Oppositions4
Arc Total2018-2025
First Observation Used2018-02-07
Last Observation Used2025-11-02
Observations (184)
Date Type RA Dec Mag Band Observatory
2025-08-16 10:15:25 C 23 31 28.462 -11 47 45.62 V F52
2025-08-16 10:31:00 C 23 31 27.659 -11 47 38.12 V F52
2025-08-20 01:43:18 C 23 26 40.816 -11 06 05.10 X 033
2025-08-20 01:48:09 C 23 26 40.456 -11 06 02.70 X 033
2025-08-20 01:52:59 C 23 26 40.146 -11 06 00.60 X 033
2025-08-20 01:57:44 C 23 26 39.869 -11 05 57.40 X 033
2025-08-23 11:51:42 C 23 21 05.973 -10 21 05.67 X F51
2025-08-23 12:07:18 C 23 21 04.733 -10 20 56.62 X F51
2025-08-23 12:23:07 C 23 21 03.471 -10 20 47.29 X F51
2025-08-23 12:38:41 C 23 21 02.241 -10 20 38.14 X F51
2025-09-14 10:49:20 C 22 15 05.741 -01 53 07.03 X F51
2025-09-14 11:06:05 C 22 15 02.654 -01 52 42.95 X F51
2025-09-14 11:22:48 C 22 14 59.589 -01 52 18.80 X F51
2025-09-15 12:00:42 C 22 10 36.19 -01 16 23.4 V D29
2025-09-15 12:21:04 C 22 10 32.39 -01 15 53.0 V D29
2025-09-15 12:41:26 C 22 10 28.57 -01 15 22.2 V D29
2025-09-16 13:30:46 C 22 05 54.45 -00 37 52.2 V D29
2025-09-16 13:51:05 C 22 05 50.55 -00 37 20.9 V D29
2025-09-23 02:25:24 C 21 35 02.281 +03 44 05.35 V G96
2025-09-23 02:33:27 C 21 35 00.578 +03 44 19.90 V G96
2025-09-23 02:41:30 C 21 34 58.850 +03 44 34.30 V G96
2025-09-23 02:49:32 C 21 34 57.176 +03 44 48.26 V G96
2025-09-25 05:51:16 C 21 24 21.007 +05 17 51.09 X F52
2025-09-25 06:07:50 C 21 24 17.424 +05 18 21.66 X F52
2025-09-25 06:24:24 C 21 24 13.816 +05 18 52.51 X F52
2025-09-25 06:40:55 C 21 24 10.228 +05 19 23.12 X F52
2025-10-31 01:59:01 C 18 31 36.73 +29 55 45.9 V 291
2025-10-31 02:11:56 C 18 31 34.19 +29 56 01.6 V 291
2025-10-31 02:24:51 C 18 31 31.60 +29 56 16.6 V 291
2025-11-01 02:13:21 C 18 26 54.24 +30 24 50.6 V 291
2025-11-01 02:23:41 C 18 26 52.17 +30 25 03.1 V 291
2025-11-01 02:34:02 C 18 26 50.04 +30 25 14.6 V 291
2025-11-02 01:48:23 C 18 22 17.73 +30 52 05.8 V 691
2025-11-02 02:23:09 C 18 22 10.72 +30 52 43.3 V 691