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
2023-12-12 11:58:27 s 1 +228691.53 7 +179052.54 0.841 C57
2023-12-12 12:18:27 S 06 23 36.403 +68 03 12.24 V C57
2023-12-12 12:18:27 s 1 +228605.70 0 +179977.67 0.882 C57
2023-12-12 12:38:27 S 06 23 44.042 +68 04 07.54 V C57
2023-12-12 12:38:27 s 1 +228516.22 6 +180899.99 0.34 C57
2023-12-12 12:58:27 S 06 23 52.591 +68 04 58.48 V C57
2023-12-12 12:58:27 s 1 +228423.20 6 +181819.54 0.288 C57
2023-12-12 13:18:27 S 06 24 00.850 +68 05 54.56 V C57
2023-12-12 13:18:27 s 1 +228326.62 0 +182736.30 0.715 C57
2023-12-12 13:38:27 S 06 24 08.609 +68 06 47.84 V C57
2023-12-12 13:38:27 s 1 +228226.42 4 +183650.21 0.597 C57
2023-12-12 13:58:27 S 06 24 16.910 +68 07 44.08 V C57
2023-12-12 13:58:27 s 1 +228122.70 9 +184561.34 0.002 C57
2023-12-12 15:18:27 S 06 24 49.464 +68 11 23.53 V C57
2023-12-12 15:18:27 s 1 +227672.44 8 +188177.48 0.818 C57
2023-12-12 15:38:27 S 06 24 58.337 +68 12 21.10 V C57
2023-12-12 15:38:27 s 1 +227551.05 2 +189074.37 0.86 C57
2023-12-12 15:58:27 S 06 25 07.039 +68 13 17.44 V C57
2023-12-12 15:58:27 s 1 +227426.18 9 +189968.42 0.494 C57
2023-12-12 16:18:27 S 06 25 13.932 +68 14 08.16 V C57
2023-12-12 16:18:27 s 1 +227297.84 0 +190859.61 0.711 C57
2023-12-12 16:38:27 S 06 25 22.416 +68 15 03.78 V C57
2023-12-12 16:38:27 s 1 +227165.96 2 +191747.88 0.488 C57
2023-12-12 16:58:27 S 06 25 32.556 +68 15 57.53 V C57
2023-12-12 16:58:27 s 1 +227030.64 3 +192633.29 0.889 C57
2023-12-12 17:18:27 S 06 25 38.556 +68 16 47.42 V C57
2023-12-12 17:18:27 s 1 +226891.86 4 +193515.81 0.908 C57
2023-12-12 17:38:27 S 06 25 47.350 +68 17 47.36 V C57
2023-12-12 17:38:27 s 1 +226749.58 2 +194395.39 0.52 C57
2023-12-12 17:58:27 S 06 25 55.776 +68 18 42.84 V C57
2023-12-12 17:58:27 s 1 +226603.88 5 +195272.09 0.79 C57
2023-12-12 18:18:27 S 06 26 04.397 +68 19 38.57 V C57
2023-12-12 18:18:27 s 1 +226454.75 4 +196145.87 0.71 C57
2023-12-12 18:38:27 S 06 26 11.957 +68 20 29.15 V C57
2023-12-12 18:38:27 s 1 +226302.14 5 +197016.69 0.257 C57
2023-12-12 18:58:27 S 06 26 20.563 +68 21 24.05 V C57
2023-12-12 18:58:27 s 1 +226146.14 6 +197884.61 0.494 C57
2023-12-12 19:18:27 S 06 26 28.493 +68 22 16.64 V C57
2023-12-12 19:18:27 s 1 +225986.73 8 +198749.59 0.415 C57
2023-12-12 19:38:27 S 06 26 36.982 +68 23 11.04 V C57
2023-12-12 19:38:27 s 1 +225823.87 8 +199611.58 0.996 C57
2023-12-12 19:58:27 S 06 26 45.926 +68 24 09.07 V C57
2023-12-12 19:58:27 s 1 +225657.65 2 +200470.64 0.299 C57
2023-12-12 20:18:27 S 06 26 53.702 +68 25 01.67 V C57
2023-12-12 20:18:27 s 1 +225488.04 1 +201326.75 0.318 C57
2023-12-12 20:38:27 S 06 27 01.819 +68 25 53.76 V C57
2023-12-12 20:38:27 s 1 +225315.00 4 +202179.84 0.029 C57
2023-12-12 20:58:27 S 06 27 11.234 +68 26 53.27 V C57
2023-12-12 20:58:27 s 1 +225138.62 6 +203029.99 0.495 C57
2023-12-12 21:18:27 S 06 27 18.506 +68 27 41.00 V C57