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
2024-02-20 14:38:04 C 15 12 28.750 -14 15 14.87 V T05
2024-02-21 01:42:05 C 15 12 30.886 -14 32 48.26 V M22
2024-02-21 01:46:43 C 15 12 30.852 -14 32 55.93 V M22
2024-02-21 01:54:41 C 15 12 30.797 -14 33 09.18 V M22
2024-02-24 01:53:07 C 15 12 23.662 -16 25 05.81 V M22
2024-02-24 01:55:45 C 15 12 23.544 -16 25 09.80 V M22
2024-02-24 02:00:21 C 15 12 23.616 -16 25 14.84 V M22
2024-02-24 02:09:03 C 15 12 23.479 -16 25 29.39 V M22
2024-02-25 07:54:50 C 15 12 11.570 -17 08 46.90 V W68
2024-02-25 07:57:26 C 15 12 11.537 -17 08 50.50 V W68
2024-02-25 08:01:21 C 15 12 11.462 -17 08 56.51 V W68
2024-02-25 08:38:35 C 15 12 10.848 -17 09 49.25 V W68
2024-02-25 10:21:06 C 15 12 10.558 -17 12 54.76 V U52
2024-02-25 10:27:21 C 15 12 10.555 -17 13 03.86 V U52
2024-02-25 10:33:36 C 15 12 10.490 -17 13 13.01 V U52
2024-02-27 01:49:58 C 15 11 45.374 -18 06 54.61 V M22
2024-02-27 01:52:34 C 15 11 45.317 -18 06 58.50 V M22
2024-02-27 02:01:20 C 15 11 45.115 -18 07 10.92 V M22
2024-02-27 02:35:12 C 15 11 44.338 -18 07 56.03 V M22
2024-03-07 01:17:51 C 15 06 28.229 -22 18 35.46 V M22
2024-03-07 01:20:27 C 15 06 28.109 -22 18 38.12 V M22
2024-03-07 01:25:02 C 15 06 27.914 -22 18 42.77 V M22
2024-03-07 01:32:37 C 15 06 27.571 -22 18 50.47 V M22
2024-03-08 07:06:42 C 15 05 19.265 -22 47 35.99 V W68
2024-03-08 07:20:11 C 15 05 18.617 -22 47 49.52 V W68
2024-03-08 07:25:28 C 15 05 18.334 -22 47 54.49 V W68
2024-03-08 07:43:07 C 15 05 17.484 -22 48 11.30 V W68
2024-03-09 07:26:34 C 15 04 18.082 -23 10 16.10 V W68
2024-03-09 07:29:09 C 15 04 17.974 -23 10 18.41 V W68
2024-03-09 07:36:32 C 15 04 17.575 -23 10 25.61 V W68
2024-03-09 07:44:23 C 15 04 17.160 -23 10 32.23 V W68
2024-03-10 01:08:43 C 15 03 31.181 -23 26 10.14 V M22
2024-03-10 01:11:20 C 15 03 31.030 -23 26 12.41 V M22
2024-03-10 01:15:19 C 15 03 30.818 -23 26 16.15 V M22
2024-03-10 01:22:39 C 15 03 30.454 -23 26 22.49 V M22
2024-03-11 01:00:17 C 15 02 24.511 -23 46 52.14 V M22
2024-03-11 01:02:56 C 15 02 24.348 -23 46 54.55 V M22
2024-03-11 01:06:54 C 15 02 24.134 -23 46 57.72 V M22
2024-03-11 01:29:06 C 15 02 22.853 -23 47 17.30 V M22
2024-03-12 07:06:31 C 15 00 54.814 -24 11 47.90 V W68
2024-03-12 07:09:48 C 15 00 54.590 -24 11 50.86 V W68
2024-03-12 07:20:05 C 15 00 53.998 -24 11 58.96 V W68
2024-03-12 07:28:01 C 15 00 53.510 -24 12 05.51 V W68
2024-03-13 06:49:28 C 14 59 40.030 -24 30 28.22 V W68
2024-03-13 06:52:10 C 14 59 39.862 -24 30 30.02 V W68
2024-03-13 06:56:44 C 14 59 39.578 -24 30 33.77 V W68
2024-03-13 07:04:35 C 14 59 39.094 -24 30 40.07 V W68
2024-03-14 23:02:07 C 14 57 25.438 -25 00 09.14 V M22
2024-03-14 23:06:10 C 14 57 25.183 -25 00 12.56 V M22
2024-03-14 23:56:47 C 14 57 21.912 -25 00 49.57 V M22