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
2023-12-14 17:45:07 s 1 +173695.11 9 +287030.16 4370.0 C57
2023-12-14 18:05:07 S 06 47 55.274 +70 24 24.52 V C57
2023-12-14 18:05:07 s 1 +173125.18 1 +287406.64 2260.0 C57
2023-12-14 18:25:07 S 06 48 04.625 +70 25 13.58 V C57
2023-12-14 18:25:07 s 1 +172552.73 7 +287779.05 9950.0 C57
2023-12-14 18:45:07 S 06 48 14.978 +70 26 02.47 V C57
2023-12-14 18:45:07 s 1 +171977.80 2 +288147.38 7560.0 C57
2023-12-14 19:05:07 S 06 48 25.114 +70 26 52.73 V C57
2023-12-14 19:05:07 s 1 +171400.39 2 +288511.66 5220.0 C57
2023-12-14 19:25:07 S 06 48 35.434 +70 27 41.29 V C57
2023-12-14 19:25:07 s 1 +170820.49 3 +288871.82 2950.0 C57
2023-12-14 22:05:07 S 06 49 57.650 +70 34 17.90 V C57
2023-12-14 22:05:07 s 1 +166092.75 0 +291604.85 9510.0 C57
2023-12-14 22:25:07 S 06 50 07.742 +70 35 06.36 V C57
2023-12-14 22:25:07 s 1 +165490.79 2 +291927.79 2250.0 C57
2023-12-14 22:45:07 S 06 50 17.707 +70 35 56.18 V C57
2023-12-14 22:45:07 s 1 +164886.41 2 +292246.54 6010.0 C57
2023-12-14 23:05:07 S 06 50 28.142 +70 36 43.78 V C57
2023-12-14 23:05:07 s 1 +164279.62 4 +292561.10 910.0 C57
2023-12-14 23:25:07 S 06 50 38.326 +70 37 33.31 V C57
2023-12-14 23:25:07 s 1 +163670.41 5 +292871.45 6970.0 C57
2023-12-14 23:45:07 S 06 50 48.730 +70 38 21.12 V C57
2023-12-14 23:45:07 s 1 +163058.80 2 +293177.58 4320.0 C57
2023-12-15 00:05:07 S 06 50 58.752 +70 39 08.86 V C57
2023-12-15 00:05:07 s 1 +162444.79 8 +293479.50 3090.0 C57
2023-12-15 00:25:07 S 06 51 09.367 +70 39 59.76 V C57
2023-12-15 00:25:07 s 1 +161828.39 1 +293777.17 3300.0 C57
2023-12-15 00:45:07 S 06 51 19.798 +70 40 48.65 V C57
2023-12-15 00:45:07 s 1 +161209.59 6 +294070.59 5080.0 C57
2023-12-15 01:05:07 S 06 51 29.822 +70 41 37.68 V C57
2023-12-15 01:05:07 s 1 +160588.42 7 +294359.78 8550.0 C57
2023-12-15 01:25:07 S 06 51 40.126 +70 42 24.55 V C57
2023-12-15 01:25:07 s 1 +159964.87 3 +294644.68 3740.0 C57
2023-12-15 01:45:07 S 06 51 51.295 +70 43 14.23 V C57
2023-12-15 01:45:07 s 1 +159338.94 9 +294925.30 780.0 C57
2023-12-15 02:05:07 S 06 52 01.630 +70 44 02.11 V C57
2023-12-15 02:05:07 s 1 +158710.66 8 +295201.66 9800.0 C57
2023-12-15 02:25:07 S 06 52 11.585 +70 44 48.37 V C57
2023-12-15 02:25:07 s 1 +158080.02 0 +295473.70 820.0 C57
2023-12-15 02:45:07 S 06 52 22.306 +70 45 40.25 V C57
2023-12-15 02:45:07 s 1 +157447.01 8 +295741.43 3970.0 C57
2023-12-15 03:05:07 S 06 52 32.990 +70 46 27.34 V C57
2023-12-15 03:05:07 s 1 +156811.67 7 +296004.87 9380.0 C57
2023-12-15 03:25:07 S 06 52 42.778 +70 47 15.61 V C57
2023-12-15 03:25:07 s 1 +156173.98 6 +296263.95 7080.0 C57
2023-12-15 03:45:06 S 06 52 53.645 +70 48 04.82 V C57
2023-12-15 03:45:06 s 1 +155533.95 9 +296518.70 7200.0 C57
2023-12-15 04:05:07 S 06 53 04.394 +70 48 54.00 V C57
2023-12-15 04:05:07 s 1 +154891.61 1 +296769.12 9860.0 C57
2023-12-15 04:25:07 S 06 53 14.491 +70 49 40.84 V C57