2018 AF4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1815372899 ± 4.83e-06
Semi-major axis (a)1.2846902353 AU ± 9.52e-06
Inclination (i)7.74767872° ± 1.75e-04
Long. of Asc. Node (Ω)349.96950191° ± 5.77e-05
Arg. of Perihelion (ω)154.34130426° ± 1.59e-04
Mean Anomaly (M)122.71830380° ± 2.16e-02
Mean Motion (n)0.6768846125°/day ± 7.53e-06
Perihelion dist (q)1.05147105 AU ± 9.96e-06
Aphelion dist (Q)1.51790942 AU ± 1.28e-05
Orbital Period1.45612157 yr ± 1.62e-05
Physical Parameters
H (abs. magnitude)24.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.327″
Uncertainty2
Orbit TypeAmor
MOID0.070538 AU
Observations Used65
Oppositions1
Arc Total2018-2018
First Observation Used2018-01-13
Last Observation Used2018-04-08
Observations (65)
Date Type RA Dec Mag Band Observatory
2018-01-13 14:59:21 C 12 21 30.632 +49 29 40.63 U F51
2018-01-13 15:14:40 C 12 21 32.557 +49 29 25.35 U F51
2018-01-13 15:29:57 C 12 21 34.496 +49 29 10.03 U F51
2018-01-13 15:45:13 C 12 21 36.462 +49 28 54.48 U F51
2018-01-14 11:16:11 C 12 24 31.51 +49 08 52.7 o 711
2018-01-14 11:21:16 C 12 24 32.14 +49 08 47.7 o 711
2018-01-14 12:03:27 C 12 24 37.54 +49 08 03.6 o 711
2018-01-14 12:08:22 C 12 24 38.15 +49 07 58.2 o 711
2018-01-14 12:13:17 C 12 24 38.74 +49 07 53.5 o 711
2018-01-14 15:45:13 C 12 25 09.498 +49 04 21.43 U 568
2018-01-14 15:46:37 C 12 25 09.670 +49 04 19.91 U 568
2018-01-14 15:47:59 C 12 25 09.837 +49 04 18.46 U 568
2018-01-15 10:02:53 C 12 27 51.09 +48 44 41.5 o 711
2018-01-15 10:09:32 C 12 27 51.97 +48 44 34.5 o 711
2018-01-15 10:15:05 C 12 27 52.62 +48 44 28.8 o 711
2018-01-24 09:41:33 C 12 54 47.73 +44 03 28.9 U V06
2018-01-24 09:43:17 C 12 54 47.89 +44 03 26.3 U V06
2018-01-24 09:45:00 C 12 54 48.01 +44 03 23.9 U V06
2018-01-24 12:31:26 C 12 55 02.28 +43 59 12.9 U I52
2018-01-24 12:35:02 C 12 55 02.56 +43 59 07.3 U I52
2018-01-24 12:38:36 C 12 55 02.92 +43 59 01.3 U I52
2018-01-24 12:42:11 C 12 55 03.20 +43 58 56.0 U I52
2018-01-25 09:38:12 C 12 57 17.97 +43 25 51.3 U G96
2018-01-25 09:45:42 C 12 57 18.61 +43 25 40.4 U G96
2018-01-25 09:53:11 C 12 57 19.20 +43 25 29.4 U G96
2018-01-25 10:00:41 C 12 57 19.87 +43 25 18.2 U G96
2018-02-05 09:42:46 C 13 18 32.61 +34 50 47.6 U I52
2018-02-05 09:44:33 C 13 18 32.68 +34 50 42.9 U I52
2018-02-05 09:48:08 C 13 18 32.82 +34 50 34.9 U I52
2018-02-05 10:39:05 C 13 18 32.62 +34 48 31.3 u H21
2018-02-05 10:50:57 C 13 18 33.05 +34 48 03.2 u H21
2018-02-06 11:37:00 C 13 19 56.24 +33 49 29.5 o 711
2018-02-06 11:42:39 C 13 19 56.42 +33 49 15.9 o 711
2018-02-06 11:48:26 C 13 19 56.60 +33 49 01.1 o 711
2018-02-11 12:04:45 C 13 25 06.59 +28 34 50.6 o 691
2018-02-11 12:11:35 C 13 25 06.64 +28 34 31.3 o 691
2018-02-11 12:18:25 C 13 25 06.71 +28 34 11.6 o 691
2018-02-11 12:29:45 C 13 25 06.77 +28 33 38.1 U I52
2018-02-11 12:32:24 C 13 25 06.74 +28 33 30.6 U I52
2018-02-11 12:33:31 C 13 25 06.83 +28 33 26.7 U I52
2018-02-11 12:34:37 C 13 25 06.83 +28 33 24.6 U I52
2018-02-18 11:58:12 C 13 27 56.79 +19 51 47.9 U G96
2018-02-18 12:06:27 C 13 27 56.60 +19 51 19.1 U G96
2018-02-18 12:14:40 C 13 27 56.43 +19 50 51.1 U G96
2018-02-18 12:22:53 C 13 27 56.26 +19 50 22.4 U G96
2018-02-23 06:16:04 C 13 27 06.85 +13 00 28.7 o 291
2018-02-23 06:22:33 C 13 27 06.68 +13 00 04.6 o 291
2018-02-23 06:29:07 C 13 27 06.46 +12 59 40.5 o 291
2018-02-26 05:53:44 C 13 25 21.19 +08 26 13.7 U 807
2018-02-26 05:58:18 C 13 25 20.97 +08 25 56.0 U 807