IAA RAS IAA Minor Planet Database

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 12:25:06 s 1 -47027.164 0 +195974.95 0.537 – C57
2023-12-18 13:05:06 S 07 43 36.451 +73 31 52.82 – V C57
2023-12-18 13:05:06 s 1 -48779.132 0 +193412.54 0.25 – C57
2023-12-18 13:25:06 S 07 43 50.501 +73 32 21.62 – V C57
2023-12-18 13:25:06 s 1 -49651.450 0 +192117.17 0.409 – C57
2023-12-18 13:45:06 S 07 44 05.114 +73 32 51.14 – V C57
2023-12-18 13:45:06 s 1 -50521.436 0 +190812.73 0.094 – C57
2023-12-18 14:05:06 S 07 44 19.836 +73 33 19.76 – V C57
2023-12-18 14:05:06 s 1 -51389.043 0 +189499.23 0.258 – C57
2023-12-18 14:25:06 S 07 44 34.154 +73 33 48.64 – V C57
2023-12-18 14:25:06 s 1 -52254.189 0 +188176.59 0.788 – C57
2023-12-18 14:45:06 S 07 44 48.173 +73 34 16.50 – V C57
2023-12-18 14:45:06 s 1 -53116.817 0 +186844.83 0.636 – C57
2023-12-18 15:05:06 S 07 45 03.401 +73 34 46.81 – V C57
2023-12-18 15:05:06 s 1 -53976.871 0 +185503.95 0.752 – C57
2023-12-18 15:25:06 S 07 45 17.748 +73 35 13.85 – V C57
2023-12-18 15:25:06 s 1 -54834.264 0 +184153.87 0.017 – C57
2023-12-18 15:45:06 S 07 45 32.419 +73 35 42.25 – V C57
2023-12-18 15:45:06 s 1 -55688.938 0 +182794.60 0.383 – C57
2023-12-18 16:05:06 S 07 45 47.174 +73 36 11.59 – V C57
2023-12-18 16:05:06 s 1 -56540.834 0 +181426.17 0.796 – C57
2023-12-18 16:25:06 S 07 46 01.517 +73 36 39.24 – V C57
2023-12-18 16:25:06 s 1 -57389.859 0 +180048.47 0.136 – C57
2023-12-18 16:45:06 S 07 46 17.299 +73 37 07.75 – V C57
2023-12-18 16:45:06 s 1 -58235.955 0 +178661.53 0.35 – C57
2023-12-18 17:05:06 S 07 46 30.674 +73 37 33.31 – V C57
2023-12-18 17:05:06 s 1 -59079.058 0 +177265.36 0.384 – C57
2023-12-18 17:25:06 S 07 46 45.818 +73 38 01.28 – V C57
2023-12-18 17:25:06 s 1 -59919.073 0 +175859.88 0.112 – C57
2023-12-18 17:45:06 S 07 47 00.398 +73 38 31.34 – V C57
2023-12-18 17:45:06 s 1 -60755.936 0 +174445.10 0.481 – C57
2023-12-18 18:05:06 S 07 47 15.653 +73 38 58.27 – V C57
2023-12-18 18:05:06 s 1 -61589.583 0 +173021.05 0.435 – C57
2023-12-18 18:25:06 S 07 47 29.741 +73 39 25.06 – V C57
2023-12-18 18:25:06 s 1 -62419.912 0 +171587.64 0.842 – C57
2023-12-18 18:45:06 S 07 47 44.647 +73 39 53.35 – V C57
2023-12-18 18:45:06 s 1 -63246.858 0 +170144.88 0.648 – C57
2023-12-18 19:05:06 S 07 47 59.198 +73 40 19.06 – V C57
2023-12-18 19:05:06 s 1 -64070.354 0 +168692.81 0.795 – C57
2023-12-18 19:25:06 S 07 48 14.443 +73 40 46.20 – V C57
2023-12-18 19:25:06 s 1 -64890.291 0 +167231.33 0.147 – C57
2023-12-18 20:05:06 S 07 48 43.666 +73 41 39.66 – V C57
2023-12-18 20:05:06 s 1 -66519.218 0 +164280.25 0.234 – C57
2023-12-18 20:25:06 S 07 49 00.430 +73 42 11.23 – V C57
2023-12-18 20:25:06 s 1 -67328.024 0 +162790.59 0.769 – C57
2023-12-18 20:45:06 S 07 49 13.745 +73 42 35.42 – V C57
2023-12-18 20:45:06 s 1 -68132.950 0 +161291.51 0.193 – C57
2023-12-18 21:05:06 S 07 49 28.980 +73 43 00.70 – V C57
2023-12-18 21:05:06 s 1 -68933.923 0 +159783.05 0.443 – C57
2023-12-18 21:25:06 S 07 49 44.052 +73 43 26.80 – V C57