IAA RAS IAA Minor Planet Database

2018 OK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5148261653 ± 8.26e-06
Semi-major axis (a)2.3222154001 AU ± 4.21e-05
Inclination (i)5.13827671° ± 5.46e-05
Long. of Asc. Node (Ω)218.17952651° ± 1.49e-04
Arg. of Perihelion (ω)92.09376660° ± 1.14e-04
Mean Anomaly (M)20.89864045° ± 2.04e-02
Mean Motion (n)0.2785213714°/day ± 7.58e-06
Perihelion dist (q)1.12667815 AU ± 2.80e-05
Aphelion dist (Q)3.51775265 AU ± 6.66e-05
Orbital Period3.53878152 yr ± 9.63e-05
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.268″
Uncertainty2
Orbit TypeAmor
MOID0.146012 AU
Observations Used47
Oppositions1
Arc Total2018-2018
First Observation Used2018-06-10
Last Observation Used2018-10-09
Observations (48)
Date Type RA Dec Mag Band Observatory
2018-06-10 09:58:57 C 16 02 53.471 -07 54 57.65 – V F51
2018-06-10 10:16:45 C 16 02 53.008 -07 54 41.70 – V F51
2018-06-10 10:34:30 C 16 02 52.535 -07 54 25.95 – V F51
2018-06-17 09:04:48 C 16 00 16.626 -05 25 36.50 – V F51
2018-06-17 09:20:45 C 16 00 16.324 -05 25 22.20 – V F51
2018-07-05 07:21:59 C 16 04 10.147 +00 32 12.64 – V F51
2018-07-05 07:39:19 C 16 04 10.552 +00 32 25.59 – V F51
2018-07-16 06:31:55 C 16 17 57.561 +03 26 58.49 – U F52
2018-07-16 06:46:37 C 16 17 58.480 +03 27 07.04 – U F52
2018-07-16 07:01:18 C 16 17 59.397 +03 27 15.80 – U F52
2018-07-16 07:15:57 C 16 18 00.317 +03 27 24.16 – U F52
2018-07-17 02:49:25 C 16 19 27.99 +03 38 28.0 – u H21
2018-07-17 02:53:49 C 16 19 28.30 +03 38 30.6 – u H21
2018-07-17 03:11:22 C 16 19 29.51 +03 38 40.5 – u H21
2018-07-17 03:27:28 C 16 19 30.62 +03 38 49.5 – u H21
2018-07-17 08:39:02 C 16 19 55.38 +03 42 35.3 – U 474
2018-07-17 08:44:05 C 16 19 55.72 +03 42 38.4 – U 474
2018-07-17 08:49:09 C 16 19 56.05 +03 42 40.9 – U 474
2018-07-17 08:54:13 C 16 19 56.42 +03 42 44.1 – U 474
2018-07-17 20:17:56 C 16 20 49.62 +03 48 14.0 – V L01
2018-07-17 21:20:44 C 16 20 54.18 +03 48 49.5 21.1 U 104
2018-07-17 21:25:11 C 16 20 54.42 +03 48 50.9 – V L01
2018-07-17 21:31:16 C 16 20 54.95 +03 48 56.0 – U 104
2018-07-17 22:34:53 C 16 20 59.68 +03 49 29.5 – V 204
2018-07-17 23:05:24 C 16 21 01.93 +03 49 46.0 – V 204
2018-07-18 02:53:13 C 16 21 21.26 +03 51 56.1 – u H21
2018-07-18 03:13:31 C 16 21 22.72 +03 52 07.2 – u H21
2018-07-18 03:36:49 C 16 21 24.39 +03 52 19.8 – u H21
2018-07-18 21:52:31 C 16 22 54.24 +04 02 14.7 – V 587
2018-07-18 22:03:06 C 16 22 55.07 +04 02 20.1 – V 587
2018-08-08 05:47:03 C 17 25 36.764 +06 58 24.60 – V T12
2018-08-08 05:49:04 C 17 25 37.093 +06 58 24.93 – V T12
2018-09-06 23:52:18 C 20 00 42.11 +04 31 39.7 – u 807
2018-09-07 00:00:39 C 20 00 43.90 +04 31 35.8 – u 807
2018-09-07 00:08:54 C 20 00 45.66 +04 31 31.7 – u 807
2018-09-08 02:59:58 C 20 06 43.19 +04 17 53.1 – V I52
2018-09-08 03:03:21 C 20 06 43.93 +04 17 51.9 – V I52
2018-09-08 03:05:44 C 20 06 44.39 +04 17 49.8 – V I52
2018-10-02 01:54:28 C 21 52 22.11 +00 15 37.6 – u H21
2018-10-02 01:58:51 C 21 52 22.72 +00 15 36.4 – u H21
2018-10-02 02:17:32 C 21 52 25.32 +00 15 31.3 – u H21
2018-10-03 02:08:48 C 21 55 51.23 +00 08 55.2 – u H21
2018-10-03 02:18:51 C 21 55 52.58 +00 08 52.6 – u H21
2018-10-03 02:27:01 C 21 55 53.67 +00 08 50.5 – u H21
2018-10-06 02:39:03 C 22 05 52.72 -00 09 03.9 – u H21
2018-10-06 02:47:56 C 22 05 53.90 -00 09 05.9 – u H21
2018-10-09 01:32:26 C 22 15 09.11 -00 23 36.8 – u H21
2018-10-09 01:42:04 C 22 15 10.30 -00 23 38.3 – u H21