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
2024-01-20 04:48:35 C 14 43 22.68 +22 55 58.0 q M64
2024-01-20 05:01:16 S 14 43 20.77 +22 55 35.8 L C51
2024-01-20 06:34:14 S 14 43 28.75 +22 48 07.1 L C51
2024-01-20 14:22:50 C 14 44 13.039 +22 10 25.54 V T05
2024-01-20 14:28:06 C 14 44 13.426 +22 10 00.66 V T05
2024-01-20 14:37:23 C 14 44 14.050 +22 09 16.92 V T05
2024-01-20 20:30:23 S 14 44 39.16 +21 41 24.7 L C51
2024-01-20 23:36:08 S 14 44 54.45 +21 26 45.7 L C51
2024-01-21 02:41:53 S 14 45 09.60 +21 12 09.5 L C51
2024-01-21 05:47:38 S 14 45 24.68 +20 57 36.8 L C51
2024-01-21 08:53:23 S 14 45 39.61 +20 43 07.4 L C51
2024-01-21 14:31:15 C 14 46 10.745 +20 16 44.51 V T05
2024-01-21 14:36:31 C 14 46 11.076 +20 16 20.35 V T05
2024-01-21 14:44:24 C 14 46 11.585 +20 15 44.35 V T05
2024-01-21 15:00:51 C 14 46 12.619 +20 14 29.08 V T05
2024-01-22 12:20:34 C 14 47 52.603 +18 36 52.34 V T08
2024-01-22 12:24:44 C 14 47 52.865 +18 36 33.37 V T08
2024-01-22 12:35:20 C 14 47 53.580 +18 35 46.93 V T08
2024-01-22 12:49:51 C 14 47 54.617 +18 34 41.95 V T08
2024-01-23 14:19:56 C 14 49 44.230 +16 41 58.45 V T08
2024-01-23 14:23:57 C 14 49 44.453 +16 41 41.35 V T08
2024-01-23 14:33:02 C 14 49 44.959 +16 41 02.26 V T08
2024-01-23 14:47:37 C 14 49 45.754 +16 39 59.33 V T08
2024-01-24 13:39:12 C 14 51 20.302 +15 02 10.25 V T05
2024-01-24 13:53:15 C 14 51 21.058 +15 01 11.96 V T05
2024-01-24 13:57:49 C 14 51 21.331 +15 00 52.88 V T05
2024-01-24 14:16:40 C 14 51 22.339 +14 59 34.15 V T05
2024-01-25 13:29:06 C 14 52 52.915 +13 23 35.45 V T05
2024-01-25 13:33:39 C 14 52 53.162 +13 23 17.05 V T05
2024-01-25 14:08:08 C 14 52 54.934 +13 20 58.92 V T05
2024-01-25 14:18:33 C 14 52 55.430 +13 20 16.55 V T05
2024-01-27 04:25:18 B 14 55 11.873 +10 49 16.03 V L65
2024-01-27 04:29:57 B 14 55 12.070 +10 48 57.31 V L65
2024-01-27 04:34:35 B 14 55 12.326 +10 48 40.43 V L65
2024-01-27 14:25:54 C 14 55 47.623 +10 11 35.45 V T05
2024-01-27 14:30:52 C 14 55 47.832 +10 11 16.58 V T05
2024-01-27 14:38:41 C 14 55 48.190 +10 10 47.14 V T05
2024-01-27 14:53:54 C 14 55 48.833 +10 09 50.15 V T05
2024-01-27 16:35:10 S 14 55 51.16 +10 03 44.2 L C51
2024-01-27 16:35:21 S 14 55 51.18 +10 03 44.5 L C51
2024-01-27 19:40:54 S 14 56 01.61 +09 52 05.3 L C51
2024-01-27 22:46:40 S 14 56 11.96 +09 40 30.3 L C51
2024-01-28 01:52:25 S 14 56 22.33 +09 28 57.7 L C51
2024-01-28 03:25:11 S 14 56 27.40 +09 23 12.5 L C51
2024-01-28 04:58:09 S 14 56 32.54 +09 17 29.4 L C51
2024-01-28 06:30:57 S 14 56 37.62 +09 11 45.4 L C51
2024-01-28 09:36:42 S 14 56 47.80 +09 00 21.1 L C51
2024-01-28 11:09:40 S 14 56 52.81 +08 54 40.3 L C51
2024-01-28 14:15:14 S 14 57 02.86 +08 43 20.9 L C51
2024-01-28 14:15:25 S 14 57 02.87 +08 43 20.5 L C51