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
2023-12-15 20:25:07 s 1 +120688.79 5 +303478.50 620.0 – C57
2023-12-15 20:45:06 S 07 02 09.895 +71 28 05.74 – V C57
2023-12-15 20:45:06 s 1 +119937.82 2 +303496.89 8710.0 – C57
2023-12-15 21:05:06 S 07 02 20.959 +71 28 50.45 – V C57
2023-12-15 21:05:06 s 1 +119184.85 3 +303510.34 4700.0 – C57
2023-12-15 21:25:06 S 07 02 32.844 +71 29 36.56 – V C57
2023-12-15 21:25:06 s 1 +118429.87 9 +303518.81 8710.0 – C57
2023-12-15 22:05:07 S 07 02 55.229 +71 31 06.53 – V C57
2023-12-15 22:05:07 s 1 +116913.98 0 +303520.79 1270.0 – C57
2023-12-15 22:25:07 S 07 03 06.778 +71 31 52.03 – V C57
2023-12-15 22:25:07 s 1 +116153.06 0 +303514.26 60.0 – C57
2023-12-15 22:45:07 S 07 03 17.837 +71 32 35.95 – V C57
2023-12-15 22:45:07 s 1 +115390.17 4 +303502.71 7350.0 – C57
2023-12-15 23:05:07 S 07 03 29.647 +71 33 23.80 – V C57
2023-12-15 23:05:07 s 1 +114625.33 5 +303486.13 3260.0 – C57
2023-12-15 23:25:07 S 07 03 40.711 +71 34 04.66 – V C57
2023-12-15 23:25:07 s 1 +113858.53 6 +303464.49 7920.0 – C57
2023-12-15 23:45:06 S 07 03 52.574 +71 34 54.05 – V C57
2023-12-15 23:45:06 s 1 +113089.79 2 +303437.78 1450.0 – C57
2023-12-16 00:05:06 S 07 04 04.147 +71 35 39.95 – V C57
2023-12-16 00:05:06 s 1 +112319.11 8 +303406.01 3980.0 – C57
2023-12-16 00:25:06 S 07 04 14.909 +71 36 21.10 – V C57
2023-12-16 00:25:06 s 1 +111546.50 7 +303369.13 5620.0 – C57
2023-12-16 00:45:06 S 07 04 26.153 +71 37 08.15 – V C57
2023-12-16 00:45:06 s 1 +110771.97 3 +303327.14 6510.0 – C57
2023-12-16 01:05:07 S 07 04 38.352 +71 37 52.25 – V C57
2023-12-16 01:05:07 s 1 +109995.53 3 +303280.05 6770.0 – C57
2023-12-16 01:25:07 S 07 04 49.452 +71 38 37.00 – V C57
2023-12-16 01:25:07 s 1 +109217.17 8 +303227.80 6520.0 – C57
2023-12-16 01:45:07 S 07 05 01.392 +71 39 21.46 – V C57
2023-12-16 01:45:07 s 1 +108436.92 4 +303170.40 4090.0 – C57
2023-12-16 02:05:07 S 07 05 12.667 +71 40 06.13 – V C57
2023-12-16 02:05:07 s 1 +107654.78 7 +303107.86 4960.0 – C57
2023-12-16 02:25:06 S 07 05 24.206 +71 40 51.53 – V C57
2023-12-16 02:25:06 s 1 +106870.75 8 +303040.11 5940.0 – C57
2023-12-16 02:45:06 S 07 05 36.146 +71 41 37.50 – V C57
2023-12-16 02:45:06 s 1 +106084.85 5 +302967.17 6910.0 – C57
2023-12-16 03:05:06 S 07 05 47.453 +71 42 22.10 – V C57
2023-12-16 03:05:06 s 1 +105297.09 1 +302889.04 7730.0 – C57
2023-12-16 03:25:06 S 07 05 59.338 +71 43 05.41 – V C57
2023-12-16 03:25:06 s 1 +104507.46 0 +302805.67 8280.0 – C57
2023-12-16 03:45:06 S 07 06 11.234 +71 43 53.69 – V C57
2023-12-16 03:45:06 s 1 +103715.97 9 +302717.06 8410.0 – C57
2023-12-16 04:05:07 S 07 06 22.423 +71 44 35.56 – V C57
2023-12-16 04:05:07 s 1 +102922.66 2 +302623.21 8010.0 – C57
2023-12-16 04:25:07 S 07 06 34.469 +71 45 21.24 – V C57
2023-12-16 04:25:07 s 1 +102127.50 2 +302524.08 6930.0 – C57
2023-12-16 04:45:07 S 07 06 46.030 +71 46 02.75 – V C57
2023-12-16 04:45:07 s 1 +101330.51 6 +302419.66 5040.0 – C57
2023-12-16 05:05:07 S 07 06 56.878 +71 46 44.94 – V C57