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
2023-11-16 11:19:45 C 04 50 06.242 +46 27 26.60 V T05
2023-11-16 11:44:57 C 04 50 07.418 +46 28 03.90 V T05
2023-11-16 12:35:31 C 04 50 09.850 +46 29 18.56 V T05
2023-11-16 13:16:21 C 04 50 11.767 +46 30 17.68 V T05
2023-11-22 10:40:43 C 04 59 13.872 +50 15 39.02 V T05
2023-11-22 10:44:55 C 04 59 14.110 +50 15 46.01 V T05
2023-11-22 10:52:25 C 04 59 14.556 +50 15 59.00 V T05
2023-11-22 11:00:16 C 04 59 15.024 +50 16 12.65 V T05
2023-11-24 11:24:18 C 05 02 53.196 +51 41 07.55 V T05
2023-11-24 12:15:06 C 05 02 56.551 +51 42 38.12 V T05
2023-11-24 12:19:49 C 05 02 56.849 +51 42 46.55 V T05
2023-11-24 12:27:25 C 05 02 57.360 +51 43 00.01 V T05
2023-11-24 22:35:03 C 05 03 48.324 +52 01 01.34 V Z80
2023-11-24 22:43:05 C 05 03 48.919 +52 01 16.93 V Z80
2023-11-24 22:51:10 C 05 03 49.486 +52 01 31.40 V Z80
2023-11-26 09:47:30 C 05 06 47.350 +53 06 31.36 V T05
2023-11-26 09:51:39 C 05 06 47.642 +53 06 39.82 V T05
2023-11-26 09:59:29 C 05 06 48.211 +53 06 54.86 V T05
2023-11-26 10:14:10 C 05 06 49.277 +53 07 22.87 V T05
2023-11-28 20:04:38 C 05 12 22.500 +54 59 18.10 V Z80
2023-11-28 20:47:55 C 05 12 26.664 +55 00 47.92 V Z80
2023-12-04 07:42:55 C 05 29 12.073 +59 40 39.86 V 703
2023-12-04 07:45:57 C 05 29 12.502 +59 40 46.63 V 703
2023-12-04 07:49:00 C 05 29 12.916 +59 40 53.65 V 703
2023-12-04 07:52:03 C 05 29 13.348 +59 41 00.71 V 703
2023-12-04 10:22:20 C 05 29 38.117 +59 46 48.32 V T05
2023-12-04 10:24:56 C 05 29 38.491 +59 46 54.08 V T05
2023-12-04 11:11:22 C 05 29 44.947 +59 48 40.36 V T05
2023-12-04 11:50:30 C 05 29 50.465 +59 50 08.66 V T05
2023-12-05 11:13:59 C 05 33 48.670 +60 43 56.78 V T08
2023-12-05 11:18:52 C 05 33 49.411 +60 44 08.38 V T08
2023-12-05 12:08:36 C 05 33 57.113 +60 46 02.46 V T08
2023-12-05 12:17:33 C 05 33 58.522 +60 46 22.94 V T08
2023-12-06 12:48:59 C 05 38 32.592 +61 43 53.72 V T05
2023-12-06 12:56:27 C 05 38 33.893 +61 44 10.54 V T05
2023-12-06 13:43:43 C 05 38 42.211 +61 45 58.75 V T05
2023-12-08 05:52:01 C 05 47 25.750 +63 22 26.40 V 703
2023-12-08 05:55:22 C 05 47 26.408 +63 22 34.36 V 703
2023-12-08 05:58:43 C 05 47 27.139 +63 22 43.18 V 703
2023-12-08 06:02:04 C 05 47 27.870 +63 22 51.42 V 703
2023-12-08 10:15:05 C 05 48 26.213 +63 33 19.73 V T05
2023-12-08 10:17:41 C 05 48 26.770 +63 33 26.14 V T05
2023-12-08 10:22:16 C 05 48 27.751 +63 33 37.62 V T05
2023-12-08 10:32:04 C 05 48 29.810 +63 34 01.74 V T05
2023-12-09 02:42:55 B 05 52 26.33 +64 13 23.4 Z D38
2023-12-09 02:48:40 B 05 52 27.71 +64 13 37.2 Z D38
2023-12-09 02:54:15 B 05 52 29.08 +64 13 50.5 Z D38
2023-12-10 05:52:06 C 05 59 59.032 +65 20 53.81 V 703
2023-12-10 05:52:51 C 05 59 58.931 +65 20 55.97 V 703
2023-12-10 05:55:27 C 05 59 59.957 +65 21 02.16 V 703