168318 (1989 DA)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5419202550 ± 6.75e-09
Semi-major axis (a)2.1622000196 AU ± 7.78e-10
Inclination (i)6.49287700° ± 1.73e-06
Long. of Asc. Node (Ω)349.04878527° ± 1.38e-05
Arg. of Perihelion (ω)139.84842607° ± 1.50e-05
Mean Anomaly (M)206.95638022° ± 1.28e-06
Mean Motion (n)0.3100048410°/day ± 1.67e-10
Perihelion dist (q)0.99046003 AU ± 1.46e-08
Aphelion dist (Q)3.33394001 AU ± 1.46e-08
Orbital Period3.17938997 yr ± 1.72e-09
Physical Parameters
H (abs. magnitude)19.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.498″
Uncertainty0
Orbit TypeApollo
MOID0.044903 AU
Observations Used944
Oppositions24
Arc Total1989-2024
First Observation Used1989-02-27
Last Observation Used2024-06-07
Observations (1516)
Date Type RA Dec Mag Band Observatory
2024-01-28 15:48:12 S 14 57 07.86 +08 37 42.4 L C51
2024-01-28 17:20:59 S 14 57 12.84 +08 32 04.1 L C51
2024-01-28 18:53:57 S 14 57 17.77 +08 26 27.9 L C51
2024-01-28 20:26:44 S 14 57 22.69 +08 20 50.9 L C51
2024-01-28 21:59:31 S 14 57 27.67 +08 15 15.4 L C51
2024-01-28 21:59:42 S 14 57 27.67 +08 15 16.0 L C51
2024-01-28 23:32:29 S 14 57 32.54 +08 09 40.9 L C51
2024-01-29 01:05:16 S 14 57 37.46 +08 04 07.2 L C51
2024-01-29 02:38:14 S 14 57 42.38 +07 58 34.3 L C51
2024-01-29 04:11:01 S 14 57 47.23 +07 53 02.1 L C51
2024-01-29 05:43:59 S 14 57 52.08 +07 47 29.9 L C51
2024-01-29 07:16:46 S 14 57 56.93 +07 41 59.5 L C51
2024-01-29 08:49:33 S 14 58 01.71 +07 36 29.4 L C51
2024-01-29 10:22:31 S 14 58 06.55 +07 31 00.2 L C51
2024-01-29 11:55:18 S 14 58 11.32 +07 25 31.7 L C51
2024-01-29 13:28:16 S 14 58 16.11 +07 20 04.3 L C51
2024-01-29 16:33:50 S 14 58 25.59 +07 09 11.4 L C51
2024-01-30 01:51:05 S 14 58 53.76 +06 36 50.2 L C51
2024-01-30 04:56:40 S 14 59 02.95 +06 26 09.4 L C51
2024-01-30 07:51:04 C 14 59 15.552 +06 16 37.81 V W68
2024-01-30 07:55:02 C 14 59 15.689 +06 16 23.63 V W68
2024-01-30 08:00:16 C 14 59 15.900 +06 16 05.77 V W68
2024-01-30 08:02:24 S 14 59 12.10 +06 15 30.6 L C51
2024-01-30 08:10:07 C 14 59 16.286 +06 15 32.11 V W68
2024-01-30 11:08:09 S 14 59 21.28 +06 04 55.9 L C51
2024-01-30 11:41:57 C 14 59 26.048 +06 02 30.48 V 703
2024-01-30 11:45:13 C 14 59 26.156 +06 02 19.82 V 703
2024-01-30 11:48:29 C 14 59 26.282 +06 02 08.34 V 703
2024-01-30 11:51:44 C 14 59 26.516 +06 01 57.36 V 703
2024-01-30 14:13:55 S 14 59 30.34 +05 54 24.1 L C51
2024-01-31 14:00:10 C 15 00 41.856 +04 34 46.63 V T05
2024-01-31 14:04:44 C 15 00 42.010 +04 34 31.37 V T05
2024-01-31 14:12:51 C 15 00 42.300 +04 34 04.94 V T05
2024-01-31 14:33:02 C 15 00 42.994 +04 32 59.24 V T05
2024-02-03 08:32:06 C 15 03 33.449 +01 08 12.84 V W68
2024-02-03 08:37:17 C 15 03 33.612 +01 07 57.50 V W68
2024-02-03 08:55:53 C 15 03 34.130 +01 07 02.57 V W68
2024-02-03 09:03:49 C 15 03 34.334 +01 06 37.51 V W68
2024-02-04 13:23:23 S 15 04 37.12 -00 15 45.1 L C51
2024-02-04 14:13:38 C 15 04 42.336 -00 18 33.05 V T05
2024-02-04 14:35:51 C 15 04 42.900 -00 19 36.23 V T05
2024-02-04 14:40:24 C 15 04 43.008 -00 19 48.83 V T05
2024-02-04 14:47:46 C 15 04 43.207 -00 20 09.71 V T05
2024-02-04 16:29:08 S 15 04 44.05 -00 24 30.8 L C51
2024-02-04 19:34:42 S 15 04 50.91 -00 33 13.4 L C51
2024-02-04 21:07:40 S 15 04 54.34 -00 37 33.7 L C51
2024-02-04 22:40:27 S 15 04 57.75 -00 41 53.9 L C51
2024-02-05 00:13:14 S 15 05 01.15 -00 46 12.9 L C51
2024-02-05 03:18:59 S 15 05 07.85 -00 54 50.4 L C51
2024-02-05 04:51:02 S 15 05 11.14 -00 59 08.1 L C51