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
2023-12-27 11:26:15 C 11 36 53.270 +72 04 56.10 V T08
2023-12-27 11:30:22 C 11 36 57.178 +72 04 45.48 V T08
2023-12-27 11:40:05 C 11 37 06.379 +72 04 18.88 V T08
2023-12-27 11:56:06 C 11 37 21.487 +72 03 35.64 V T08
2023-12-29 09:13:05 C 12 17 07.775 +69 29 22.31 V 703
2023-12-29 09:16:34 C 12 17 10.439 +69 29 09.13 V 703
2023-12-29 09:20:03 C 12 17 13.157 +69 28 56.75 V 703
2023-12-29 09:23:32 C 12 17 15.738 +69 28 44.33 V 703
2023-12-29 13:44:00 C 12 20 35.597 +69 12 15.88 V T05
2023-12-29 14:10:00 C 12 20 54.334 +69 10 37.92 V T05
2023-12-29 14:19:49 C 12 21 01.303 +69 10 00.73 V T05
2023-12-29 20:35:12 B 12 25 44.85 +68 43 48.5 X L99
2023-12-29 20:37:27 B 12 25 46.55 +68 43 39.3 X L99
2023-12-29 20:39:37 B 12 25 48.19 +68 43 32.2 X L99
2023-12-31 12:04:46 C 12 52 02.489 +65 53 23.46 V T08
2023-12-31 12:14:08 C 12 52 07.898 +65 52 42.71 V T08
2023-12-31 12:25:09 C 12 52 14.174 +65 51 54.32 V T08
2023-12-31 12:28:02 C 12 52 15.869 +65 51 41.65 V T08
2024-01-01 11:01:33 C 13 04 49.303 +64 04 31.69 V 703
2024-01-01 11:04:59 C 13 04 50.963 +64 04 15.46 V 703
2024-01-01 11:08:25 C 13 04 52.756 +64 03 59.08 V 703
2024-01-01 11:11:52 C 13 04 54.368 +64 03 43.06 V 703
2024-01-02 13:53:39 C 13 17 58.642 +61 49 38.78 V T05
2024-01-02 14:00:39 C 13 18 01.591 +61 49 03.97 V T05
2024-01-02 14:28:48 C 13 18 13.447 +61 46 43.64 V T05
2024-01-02 14:41:14 C 13 18 18.713 +61 45 41.58 V T05
2024-01-02 15:08:27 C 13 18 30.036 +61 43 24.56 V T05
2024-01-02 15:13:03 C 13 18 31.932 +61 43 01.24 V T05
2024-01-02 15:18:42 C 13 18 34.284 +61 42 32.62 V T05
2024-01-02 15:44:38 C 13 18 44.966 +61 40 21.14 V T05
2024-01-04 15:28:32 C 13 37 46.610 +57 24 42.34 V T08
2024-01-04 15:34:25 C 13 37 48.478 +57 24 10.30 V T08
2024-01-04 15:45:02 C 13 37 51.845 +57 23 12.80 V T08
2024-01-04 16:03:05 C 13 37 57.542 +57 21 34.67 V T08
2024-01-06 14:02:46 C 13 52 27.108 +53 02 16.48 V T05
2024-01-06 14:07:20 C 13 52 28.277 +53 01 51.38 V T05
2024-01-06 14:07:59 C 13 52 28.430 +53 01 47.35 V T05
2024-01-06 14:15:09 C 13 52 30.274 +53 01 08.08 V T05
2024-01-06 14:41:08 C 13 52 36.922 +52 58 43.14 V T05
2024-01-06 14:42:26 C 13 52 37.255 +52 58 36.19 V T05
2024-01-07 08:51:17 C 13 57 31.165 +51 13 31.40 V 703
2024-01-07 08:51:40 C 13 57 31.115 +51 13 29.03 V 703
2024-01-07 08:54:48 C 13 57 32.008 +51 13 11.96 V 703
2024-01-07 08:57:32 C 13 57 32.681 +51 12 56.66 V 703
2024-01-07 08:57:56 C 13 57 32.742 +51 12 54.65 V 703
2024-01-07 09:00:40 C 13 57 33.466 +51 12 39.35 V 703
2024-01-07 09:01:04 C 13 57 33.523 +51 12 36.86 V 703
2024-01-08 15:27:59 C 14 04 49.164 +48 16 50.52 V T08
2024-01-08 15:33:45 C 14 04 50.297 +48 16 17.54 V T08
2024-01-08 15:49:11 C 14 04 53.323 +48 14 49.16 V T08