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
2023-12-12 03:18:27 s 1 +229631.61 2 +154049.20 0.112 – C57
2023-12-12 03:38:27 S 06 20 08.374 +67 39 11.77 – V C57
2023-12-12 03:38:27 s 1 +229642.51 5 +155043.75 0.755 – C57
2023-12-12 03:58:27 S 06 20 17.700 +67 40 14.63 – V C57
2023-12-12 03:58:27 s 1 +229649.60 9 +156035.76 0.549 – C57
2023-12-12 04:18:27 S 06 20 24.713 +67 41 07.80 – V C57
2023-12-12 04:18:27 s 1 +229652.87 3 +157025.22 0.483 – C57
2023-12-12 04:38:27 S 06 20 32.916 +67 42 01.98 – V C57
2023-12-12 04:38:27 s 1 +229652.26 2 +158012.05 0.53 – C57
2023-12-12 04:58:27 S 06 20 40.354 +67 42 55.22 – V C57
2023-12-12 04:58:27 s 1 +229647.87 2 +158996.33 0.768 – C57
2023-12-12 05:18:27 S 06 20 48.583 +67 43 55.24 – V C57
2023-12-12 05:18:27 s 1 +229639.68 4 +159978.02 0.187 – C57
2023-12-12 05:38:27 S 06 20 56.518 +67 44 49.06 – V C57
2023-12-12 05:38:27 s 1 +229627.65 1 +160957.06 0.758 – C57
2023-12-12 05:58:27 S 06 21 04.382 +67 45 46.40 – V C57
2023-12-12 05:58:27 s 1 +229611.87 1 +161933.52 0.559 – C57
2023-12-12 06:18:27 S 06 21 12.353 +67 46 41.34 – V C57
2023-12-12 06:18:27 s 1 +229592.32 3 +162907.36 0.581 – C57
2023-12-12 06:38:27 S 06 21 20.023 +67 47 32.89 – V C57
2023-12-12 06:38:27 s 1 +229568.96 2 +163878.54 0.795 – C57
2023-12-12 06:58:27 S 06 21 27.926 +67 48 27.94 – V C57
2023-12-12 06:58:27 s 1 +229541.88 3 +164847.10 0.278 – C57
2023-12-12 07:38:27 S 06 21 44.050 +67 50 19.75 – V C57
2023-12-12 07:38:27 s 1 +229476.46 8 +166776.24 0.994 – C57
2023-12-12 07:58:27 S 06 21 52.070 +67 51 16.16 – V C57
2023-12-12 07:58:27 s 1 +229438.18 1 +167736.82 0.274 – C57
2023-12-12 08:18:27 S 06 21 59.556 +67 52 10.45 – V C57
2023-12-12 08:18:27 s 1 +229396.18 7 +168694.73 0.852 – C57
2023-12-12 08:38:27 S 06 22 07.874 +67 53 06.14 – V C57
2023-12-12 08:38:27 s 1 +229350.44 0 +169649.93 0.7 – C57
2023-12-12 08:58:27 S 06 22 15.737 +67 54 02.27 – V C57
2023-12-12 08:58:27 s 1 +229301.03 4 +170602.45 0.892 – C57
2023-12-12 09:18:27 S 06 22 23.573 +67 54 54.43 – V C57
2023-12-12 09:18:27 s 1 +229247.95 0 +171552.28 0.419 – C57
2023-12-12 09:38:27 S 06 22 32.318 +67 55 50.92 – V C57
2023-12-12 09:38:27 s 1 +229191.14 2 +172499.37 0.254 – C57
2023-12-12 09:58:27 S 06 22 39.845 +67 56 46.25 – V C57
2023-12-12 09:58:27 s 1 +229130.70 5 +173443.77 0.471 – C57
2023-12-12 10:18:27 S 06 22 47.731 +67 57 39.31 – V C57
2023-12-12 10:18:27 s 1 +229066.61 8 +174385.44 0.059 – C57
2023-12-12 10:38:27 S 06 22 55.754 +67 58 37.38 – V C57
2023-12-12 10:38:27 s 1 +228998.83 6 +175324.35 0.993 – C57
2023-12-12 10:58:27 S 06 23 03.866 +67 59 29.98 – V C57
2023-12-12 10:58:27 s 1 +228927.45 4 +176260.54 0.344 – C57
2023-12-12 11:18:27 S 06 23 12.305 +68 00 26.68 – V C57
2023-12-12 11:18:27 s 1 +228852.45 0 +177193.98 0.104 – C57
2023-12-12 11:38:27 S 06 23 20.074 +68 01 20.50 – V C57
2023-12-12 11:38:27 s 1 +228773.78 0 +178124.63 0.246 – C57
2023-12-12 11:58:27 S 06 23 28.394 +68 02 15.76 – V C57