IAA RAS IAA Minor Planet Database

2018 AP18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7676615228 ± 1.24e-07
Semi-major axis (a)2.0731428261 AU ± 7.68e-08
Inclination (i)9.81066849° ± 1.95e-05
Long. of Asc. Node (Ω)338.32042012° ± 2.70e-05
Arg. of Perihelion (ω)7.20683790° ± 7.55e-05
Mean Anomaly (M)324.95739559° ± 2.60e-04
Mean Motion (n)0.3301934404°/day ± 1.84e-08
Perihelion dist (q)0.48167085 AU ± 2.58e-07
Aphelion dist (Q)3.66461480 AU ± 2.91e-07
Orbital Period2.98499656 yr ± 1.66e-07
Physical Parameters
H (abs. magnitude)17.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.112″
Uncertainty0
Orbit TypeApollo
MOID0.160655 AU
Observations Used41
Oppositions7
Arc Total2015-2025
First Observation Used2015-01-20
Last Observation Used2025-03-21
Observations (44)
Date Type RA Dec Mag Band Observatory
2015-01-20 10:31:18 C 10 43 47.452 +10 56 07.91 – V F51
2015-01-20 10:50:37 C 10 43 46.713 +10 56 12.33 – V F51
2015-01-20 11:09:53 C 10 43 45.921 +10 56 16.01 – V F51
2015-01-20 11:29:15 C 10 43 45.174 +10 56 19.90 – V F51
2015-01-22 10:48:51 C 10 41 53.627 +11 05 59.10 – V F51
2015-01-22 11:08:25 C 10 41 52.832 +11 06 03.37 – V F51
2015-01-22 11:47:48 C 10 41 51.205 +11 06 11.62 – V F51
2015-02-17 09:15:21 C 10 11 46.583 +13 31 18.96 – V F51
2015-02-17 09:33:46 C 10 11 45.606 +13 31 23.29 – V F51
2015-02-17 09:52:15 C 10 11 44.610 +13 31 27.47 – V F51
2015-02-17 10:10:47 C 10 11 43.614 +13 31 32.03 – V F51
2016-01-08 15:10:32 C 12 26 22.710 -05 43 34.70 – V F51
2016-03-28 03:10:44 C 11 32 34.62 -02 15 11.6 – – W84
2016-03-28 03:19:54 C 11 32 34.17 -02 15 09.1 23.0 – W84
2016-03-28 03:29:06 C 11 32 33.74 -02 15 06.8 – – W84
2017-12-28 13:27:10 C 10 59 52.794 +09 20 37.04 – V F51
2018-01-15 11:26:53 C 10 49 47.518 +10 14 06.98 – U F51
2018-01-15 11:44:36 C 10 49 46.911 +10 14 09.86 – U F51
2018-01-15 12:02:24 C 10 49 46.304 +10 14 13.29 – U F51
2018-01-15 12:20:22 C 10 49 45.694 +10 14 16.05 – U F51
2018-01-16 12:29:20 C 10 48 57.005 +10 18 32.92 – U 568
2018-01-16 12:31:02 C 10 48 56.946 +10 18 33.23 – U 568
2018-01-16 12:32:43 C 10 48 56.887 +10 18 33.54 – U 568
2018-01-19 10:41:53 C 10 46 27.306 +10 31 39.09 – U 568
2018-01-19 10:43:34 C 10 46 27.238 +10 31 39.53 – U 568
2018-01-19 10:45:16 C 10 46 27.178 +10 31 39.86 – U 568
2018-01-23 06:09:41 C 10 42 54.48 +10 50 07.9 – U 807
2018-01-23 06:20:17 C 10 42 54.04 +10 50 10.3 – U 807
2018-01-23 06:31:09 C 10 42 53.58 +10 50 12.5 – U 807
2018-02-05 11:47:43 C 10 28 27.43 +12 02 32.3 – o 695
2018-02-05 12:02:45 C 10 28 26.67 +12 02 36.1 – o 695
2018-02-05 12:17:49 C 10 28 25.91 +12 02 39.6 – o 695
2018-02-12 09:42:32 C 10 20 01.177 +12 42 42.34 – V F51
2018-02-12 10:16:16 C 10 19 59.401 +12 42 50.41 – V F51
2018-02-12 10:33:15 C 10 19 58.505 +12 42 54.39 – V F51
2018-02-13 06:56:19 C 10 18 54.92 +12 47 47.3 – u H21
2018-02-13 07:19:19 C 10 18 53.71 +12 47 52.7 – u H21
2018-02-13 07:44:47 C 10 18 52.33 +12 47 58.9 – u H21
2018-03-07 05:52:34 C 09 52 30.420 +14 39 51.03 – V F51
2018-03-07 06:26:04 C 09 52 28.894 +14 39 57.16 – V F51
2018-03-07 06:42:46 C 09 52 28.138 +14 40 00.15 – V F51
2025-03-21 03:04:00 C 11 47 20.950 -04 06 46.30 – V 807
2025-03-21 03:15:32 C 11 47 20.370 -04 06 43.40 – V 807
2025-03-21 03:27:20 C 11 47 19.760 -04 06 40.70 – V 807