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
2018-02-26 05:01:26 C 10 30 39.71 +24 36 15.8 U 703
2018-02-26 05:09:09 C 10 30 38.04 +24 35 27.6 U 703
2018-02-26 05:16:50 C 10 30 36.37 +24 34 39.7 U 703
2018-02-26 05:24:32 C 10 30 34.66 +24 33 51.3 U 703
2018-03-05 22:28:43 C 10 05 58.82 +10 19 27.3 q G40
2018-03-05 22:48:42 C 10 05 56.95 +10 18 22.5 q G40
2018-03-05 23:08:26 C 10 05 55.19 +10 17 18.3 q G40
2018-03-06 03:06:42 C 10 05 36.86 +10 04 22.6 U I52
2018-03-06 03:10:43 C 10 05 36.53 +10 04 10.2 U I52
2018-03-06 03:18:49 C 10 05 35.89 +10 03 43.2 U I52
2018-03-06 05:25:37 C 10 05 23.70 +09 56 56.1 u H21
2018-03-06 05:31:13 C 10 05 23.20 +09 56 38.3 u H21
2018-03-06 05:37:25 C 10 05 22.64 +09 56 18.3 u H21
2018-03-06 05:42:08 C 10 05 22.23 +09 56 03.5 u H21
2018-03-07 05:58:33 C 10 03 33.33 +08 41 57.1 U I41
2018-03-07 06:27:06 C 10 03 31.04 +08 40 33.7 U I41
2018-03-07 06:57:12 C 10 03 30.168 +08 39 13.33 U F51
2018-03-07 06:58:26 C 10 03 28.52 +08 39 02.1 U I41
2018-03-07 07:12:11 C 10 03 28.982 +08 38 29.84 U F51
2018-03-07 07:30:04 C 10 03 25.99 +08 37 29.8 U I41
2018-03-07 07:41:55 C 10 03 26.607 +08 37 03.53 U F51
2018-03-09 02:26:05 C 10 00 42.41 +06 40 56.9 U W34
2018-03-09 03:05:05 C 10 00 39.87 +06 39 19.4 U W34
2018-03-09 03:22:01 C 10 00 38.78 +06 38 37.5 U W34
2018-03-13 22:51:45 C 09 55 34.82 +02 35 34.5 U 204
2018-03-13 23:06:57 C 09 55 34.26 +02 35 08.0 U 204
2018-03-13 23:22:11 C 09 55 33.68 +02 34 41.3 U 204
2018-03-14 05:22:49 C 09 55 23.23 +02 24 21.7 U 703
2018-03-14 05:47:26 C 09 55 22.26 +02 23 39.5 U 703
2018-03-17 08:07:04 C 09 53 34.438 +00 29 25.22 U F51
2018-03-17 08:25:22 C 09 53 33.973 +00 29 00.07 U F51
2018-03-17 08:43:40 C 09 53 33.500 +00 28 34.84 U F51
2018-03-20 04:52:18 C 09 52 37.70 -00 57 00.3 U G96
2018-03-20 04:59:45 C 09 52 37.57 -00 57 09.4 U G96
2018-03-20 05:07:16 C 09 52 37.47 -00 57 17.4 U G96
2018-03-20 05:14:46 C 09 52 37.38 -00 57 26.2 U G96
2018-03-22 07:01:24 C 09 52 17.77 -01 50 40.6 U I52
2018-03-22 07:04:45 C 09 52 17.73 -01 50 43.6 U I52
2018-03-22 07:22:42 C 09 52 17.61 -01 51 01.6 U I52
2018-04-05 00:41:44 C 09 55 48.82 -05 41 06.3 u 807
2018-04-05 00:51:47 C 09 55 49.04 -05 41 11.5 u 807
2018-04-05 01:01:50 C 09 55 49.16 -05 41 16.0 u 807
2018-04-08 02:35:08 C 09 57 34.73 -06 15 04.3 u H21
2018-04-08 02:47:24 C 09 57 35.02 -06 15 09.2 u H21
2018-04-08 02:57:02 C 09 57 35.22 -06 15 13.4 u H21
2018-04-11 02:28:58 C 09 59 33.71 -06 44 05.0 u H21
2018-04-11 02:40:22 C 09 59 34.00 -06 44 09.5 u H21
2018-04-11 02:51:45 C 09 59 34.27 -06 44 13.9 u H21
2025-08-16 09:44:15 C 23 31 30.106 -11 47 59.09 V F52
2025-08-16 09:59:52 C 23 31 29.306 -11 47 51.93 V F52