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
2023-12-16 13:25:07 s 1 +79996.505 0 +297799.26 7080.0 – C57
2023-12-16 13:45:06 S 07 12 07.428 +72 05 33.25 – V C57
2023-12-16 13:45:06 s 1 +79153.578 0 +297546.21 8830.0 – C57
2023-12-16 14:05:06 S 07 12 19.056 +72 06 14.47 – V C57
2023-12-16 14:05:06 s 1 +78309.090 0 +297287.43 5620.0 – C57
2023-12-16 14:25:06 S 07 12 31.946 +72 06 58.93 – V C57
2023-12-16 14:25:06 s 1 +77463.040 0 +297022.88 7240.0 – C57
2023-12-16 14:45:06 S 07 12 44.654 +72 07 45.01 – V C57
2023-12-16 14:45:06 s 1 +76615.446 0 +296752.56 3540.0 – C57
2023-12-16 15:05:06 S 07 12 56.467 +72 08 24.40 – V C57
2023-12-16 15:05:06 s 1 +75766.322 0 +296476.47 4380.0 – C57
2023-12-16 15:25:06 S 07 13 08.146 +72 09 04.43 – V C57
2023-12-16 15:25:06 s 1 +74915.669 0 +296194.55 9550.0 – C57
2023-12-16 15:45:06 S 07 13 19.841 +72 09 46.73 – V C57
2023-12-16 15:45:06 s 1 +74063.503 0 +295906.80 8900.0 – C57
2023-12-16 16:05:07 S 07 13 32.825 +72 10 30.61 – V C57
2023-12-16 16:05:07 s 1 +73209.841 0 +295613.23 2280.0 – C57
2023-12-16 16:25:07 S 07 13 45.166 +72 11 12.41 – V C57
2023-12-16 16:25:07 s 1 +72354.682 0 +295313.78 9470.0 – C57
2023-12-16 16:45:06 S 07 13 56.998 +72 11 50.57 – V C57
2023-12-16 16:45:06 s 1 +71498.043 0 +295008.44 320.0 – C57
2023-12-16 17:05:06 S 07 14 09.694 +72 12 34.38 – V C57
2023-12-16 17:05:06 s 1 +70639.942 0 +294697.23 4680.0 – C57
2023-12-16 17:25:06 S 07 14 21.588 +72 13 16.82 – V C57
2023-12-16 17:25:06 s 1 +69780.378 0 +294380.08 2330.0 – C57
2023-12-16 17:45:06 S 07 14 33.605 +72 13 56.24 – V C57
2023-12-16 17:45:06 s 1 +68919.369 0 +294057.00 3100.0 – C57
2023-12-16 18:05:06 S 07 14 46.226 +72 14 39.95 – V C57
2023-12-16 18:05:06 s 1 +68056.931 0 +293727.98 6860.0 – C57
2023-12-16 18:25:06 S 07 14 59.050 +72 15 21.96 – V C57
2023-12-16 18:25:06 s 1 +67193.066 0 +293392.97 3350.0 – C57
2023-12-16 18:45:06 S 07 15 11.486 +72 16 03.22 – V C57
2023-12-16 18:45:06 s 1 +66327.790 0 +293051.97 2430.0 – C57
2023-12-16 19:05:07 S 07 15 23.609 +72 16 45.95 – V C57
2023-12-16 19:05:07 s 1 +65461.122 0 +292704.98 3950.0 – C57
2023-12-16 19:25:06 S 07 15 35.748 +72 17 24.72 – V C57
2023-12-16 19:25:06 s 1 +64593.062 0 +292351.93 7650.0 – C57
2023-12-16 19:45:06 S 07 15 48.098 +72 18 06.23 – V C57
2023-12-16 19:45:06 s 1 +63723.628 0 +291992.85 3380.0 – C57
2023-12-16 20:05:06 S 07 16 00.617 +72 18 46.87 – V C57
2023-12-16 20:05:06 s 1 +62852.837 0 +291627.71 990.0 – C57
2023-12-16 20:25:06 S 07 16 12.761 +72 19 27.77 – V C57
2023-12-16 20:25:06 s 1 +61980.692 0 +291256.47 220.0 – C57
2023-12-16 20:45:06 S 07 16 25.824 +72 20 10.61 – V C57
2023-12-16 20:45:06 s 1 +61107.210 0 +290879.12 910.0 – C57
2023-12-16 21:05:06 S 07 16 37.378 +72 20 51.04 – V C57
2023-12-16 21:05:06 s 1 +60232.409 0 +290495.67 2900.0 – C57
2023-12-16 21:25:06 S 07 16 51.305 +72 21 32.08 – V C57
2023-12-16 21:25:06 s 1 +59356.293 0 +290106.06 5930.0 – C57
2023-12-16 21:45:06 S 07 17 02.261 +72 22 12.07 – V C57