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
2024-02-05 06:24:33 S 15 05 14.52 -01 03 24.6 L C51
2024-02-05 07:57:20 S 15 05 17.81 -01 07 40.3 L C51
2024-02-05 07:57:31 S 15 05 17.88 -01 07 40.8 L C51
2024-02-05 12:35:53 S 15 05 27.75 -01 20 26.7 L C51
2024-02-09 02:29:56 C 15 08 13.111 -05 01 11.75 V M22
2024-02-09 02:35:53 C 15 08 13.202 -05 01 25.97 V M22
2024-02-09 02:40:27 C 15 08 13.308 -05 01 36.70 V M22
2024-02-09 03:02:51 C 15 08 13.726 -05 02 30.91 V M22
2024-02-10 14:24:57 C 15 09 09.444 -06 26 25.01 V T08
2024-02-10 14:27:36 C 15 09 09.504 -06 26 31.31 V T08
2024-02-10 14:35:25 C 15 09 09.600 -06 26 48.91 V T08
2024-02-10 14:55:31 C 15 09 09.833 -06 27 35.24 V T08
2024-02-11 07:46:06 C 15 09 34.670 -07 05 04.24 V W68
2024-02-11 07:55:00 C 15 09 34.798 -07 05 24.29 V W68
2024-02-11 08:26:32 C 15 09 35.230 -07 06 35.03 V W68
2024-02-12 03:01:41 B 15 09 59.731 -07 47 42.11 Z M49
2024-02-12 03:06:50 B 15 09 59.784 -07 47 52.87 Z M49
2024-02-12 03:11:57 B 15 09 59.834 -07 48 04.00 Z M49
2024-02-12 05:25:30 C 15 10 01.57 -07 53 42.7 q A77
2024-02-12 05:31:01 C 15 10 01.63 -07 53 54.6 q A77
2024-02-12 05:36:21 C 15 10 01.71 -07 54 06.3 q A77
2024-02-12 15:11:27 C 15 10 14.424 -08 14 31.70 V T05
2024-02-12 15:44:57 C 15 10 14.683 -08 15 43.20 V T05
2024-02-12 15:54:28 C 15 10 14.743 -08 16 03.90 V T05
2024-02-13 01:27:59 C 15 10 27.686 -08 35 40.67 V M22
2024-02-13 01:58:31 C 15 10 28.008 -08 36 45.65 V M22
2024-02-13 02:18:31 C 15 10 28.195 -08 37 28.16 V M22
2024-02-15 07:47:08 C 15 11 22.726 -10 26 10.21 V W68
2024-02-15 07:51:41 C 15 11 22.766 -10 26 19.21 V W68
2024-02-15 08:03:33 C 15 11 22.831 -10 26 42.61 V W68
2024-02-15 08:17:14 C 15 11 22.889 -10 27 09.54 V W68
2024-02-15 12:43:53 C 15 11 25.562 -10 36 34.92 V 703
2024-02-15 12:47:10 C 15 11 25.559 -10 36 41.29 V 703
2024-02-15 12:50:26 C 15 11 25.566 -10 36 48.38 V 703
2024-02-15 12:53:42 C 15 11 25.541 -10 36 54.40 V 703
2024-02-17 01:27:22 C 15 11 54.422 -11 45 30.85 V M22
2024-02-17 01:31:59 C 15 11 54.406 -11 45 39.10 V M22
2024-02-17 01:40:29 C 15 11 54.430 -11 45 55.30 V M22
2024-02-17 02:07:56 C 15 11 54.473 -11 46 46.49 V M22
2024-02-17 12:01:41 C 15 11 59.842 -12 05 42.86 V 703
2024-02-17 12:04:57 C 15 11 59.852 -12 05 48.41 V 703
2024-02-17 12:08:13 C 15 11 59.831 -12 05 54.71 V 703
2024-02-17 12:11:30 C 15 11 59.845 -12 06 00.72 V 703
2024-02-19 08:37:30 C 15 12 21.106 -13 24 02.52 V W68
2024-02-19 08:43:22 C 15 12 21.070 -13 24 12.60 V W68
2024-02-19 09:11:46 C 15 12 20.971 -13 25 01.74 V W68
2024-02-19 09:30:37 C 15 12 20.887 -13 25 34.36 V W68
2024-02-20 14:09:35 C 15 12 28.944 -14 14 27.31 V T05
2024-02-20 14:12:12 C 15 12 28.963 -14 14 31.49 V T05
2024-02-20 14:16:51 C 15 12 28.898 -14 14 39.55 V T05