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
2023-12-18 21:25:06 s 1 -69730.823 0 +158265.11 0.374 C57
2023-12-18 21:45:06 S 07 49 59.232 +73 43 55.16 V C57
2023-12-18 21:45:06 s 1 -70523.576 0 +156737.74 0.926 C57
2023-12-18 22:05:06 S 07 50 13.306 +73 44 18.13 V C57
2023-12-18 22:05:06 s 1 -71312.107 0 +155200.95 0.033 C57
2023-12-18 22:25:06 S 07 50 28.049 +73 44 43.01 V C57
2023-12-18 22:25:06 s 1 -72096.290 0 +153654.68 0.546 C57
2023-12-18 22:45:06 S 07 50 43.836 +73 45 08.50 V C57
2023-12-18 22:45:06 s 1 -72876.047 0 +152098.94 0.401 C57
2023-12-18 23:05:06 S 07 50 58.853 +73 45 36.04 V C57
2023-12-18 23:05:06 s 1 -73651.299 0 +150533.78 0.532 C57
2023-12-18 23:25:06 S 07 51 13.757 +73 46 01.31 V C57
2023-12-18 23:25:06 s 1 -74421.915 0 +148959.12 0.784 C57
2023-12-18 23:45:06 S 07 51 28.603 +73 46 27.66 V C57
2023-12-18 23:45:06 s 1 -75187.812 0 +147374.99 0.091 C57
2023-12-19 01:02:02 B 07 52 33.28 +73 30 46.3 Z D38
2023-12-19 01:12:54 B 07 52 42.48 +73 31 04.8 Z D38
2023-12-19 01:24:30 B 07 52 52.30 +73 31 24.5 Z D38
2023-12-19 19:05:06 S 08 06 42.024 +74 06 50.33 V C57
2023-12-19 19:05:06 s 1 -107251.57 8 +40220.899 0.317 C57
2023-12-19 19:45:06 S 08 07 15.636 +74 07 26.00 V C57
2023-12-19 19:45:06 s 1 -107735.54 5 +36076.214 0.798 C57
2023-12-19 20:25:06 S 08 07 49.032 +74 07 59.45 V C57
2023-12-19 20:25:06 s 1 -108162.98 6 +31912.624 0.529 C57
2023-12-19 20:45:06 S 08 08 05.203 +74 08 13.52 V C57
2023-12-19 20:45:06 s 1 -108354.94 9 +29824.274 0.382 C57
2023-12-19 21:05:06 S 08 08 22.351 +74 08 31.60 V C57
2023-12-19 21:05:06 s 1 -108532.20 4 +27731.879 0.477 C57
2023-12-19 21:25:06 S 08 08 39.761 +74 08 55.36 V C57
2023-12-19 21:25:06 s 1 -108694.43 0 +25635.648 0.575 C57
2023-12-19 21:45:06 S 08 08 54.377 +74 09 04.32 V C57
2023-12-19 21:45:06 s 1 -108841.48 0 +23535.843 0.626 C57
2023-12-19 22:05:06 S 08 09 11.993 +74 09 19.40 V C57
2023-12-19 22:05:06 s 1 -108973.20 3 +21432.728 0.574 C57
2023-12-19 22:25:06 S 08 09 30.082 +74 09 35.06 V C57
2023-12-19 22:25:06 s 1 -109089.27 1 +19326.539 0.187 C57
2023-12-19 22:45:06 S 08 09 45.518 +74 09 51.34 V C57
2023-12-19 22:45:06 s 1 -109189.54 1 +17217.558 0.421 C57
2023-12-19 23:05:06 S 08 10 02.914 +74 10 04.01 V C57
2023-12-19 23:05:06 s 1 -109273.86 4 +15106.066 0.234 C57
2023-12-20 00:05:06 S 08 10 53.861 +74 10 48.86 V C57
2023-12-20 00:05:06 s 1 -109428.60 8 + 8759.325 0.648 C57
2023-12-23 00:01:31 B 09 34 14.09 +74 53 11.6 X L99
2023-12-23 00:07:16 B 09 34 21.05 +74 53 10.9 X L99
2023-12-23 00:12:46 B 09 34 27.55 +74 53 10.5 X L99
2023-12-23 00:18:16 B 09 34 33.89 +74 53 10.2 X L99
2023-12-25 12:30:55 C 10 46 41.734 +73 55 43.07 V T05
2023-12-25 12:40:18 C 10 46 52.085 +73 55 27.88 V T05
2023-12-25 12:42:54 C 10 46 54.907 +73 55 23.95 V T05
2023-12-25 12:56:53 C 10 47 10.219 +73 55 00.91 V T05