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
2024-05-03 04:26:55 C 13 36 00.564 -25 16 38.14 V W68
2024-05-04 22:17:43 C 13 34 39.874 -25 02 41.75 V M22
2024-05-04 22:22:19 C 13 34 39.737 -25 02 41.10 V M22
2024-05-04 22:30:10 C 13 34 39.466 -25 02 37.61 V M22
2024-05-04 23:59:16 C 13 34 36.420 -25 02 06.25 V M22
2024-05-10 05:55:12 C 13 31 34.133 -24 22 03.50 V G96
2024-05-10 06:02:54 C 13 31 33.953 -24 22 00.77 V G96
2024-05-10 06:10:35 C 13 31 33.762 -24 21 58.57 V G96
2024-05-10 06:18:20 C 13 31 33.604 -24 21 56.20 V G96
2024-06-01 06:35:01 C 13 32 26.804 -22 22 38.93 X F51
2024-06-01 06:51:49 C 13 32 27.066 -22 22 36.68 X F51
2024-06-01 07:08:35 C 13 32 27.323 -22 22 34.32 X F51
2024-06-01 07:25:21 C 13 32 27.600 -22 22 32.15 X F51
2024-06-07 06:54:32 C 13 35 38.999 -22 06 04.22 X F52
2024-06-07 07:10:34 C 13 35 39.368 -22 06 02.71 X F52
2024-06-07 07:26:37 C 13 35 39.735 -22 06 01.16 X F52