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 21:18:27 s 1 +224958.88 7 +203877.15 0.708 C57
2023-12-12 21:38:27 S 06 27 26.962 +68 28 36.91 V C57
2023-12-12 21:38:27 s 1 +224775.74 6 +204721.28 0.646 C57
2023-12-13 01:38:27 S 06 29 08.762 +68 39 23.83 V C57
2023-12-13 01:38:27 s 1 +222319.18 0 +214614.66 0.632 C57
2023-12-13 01:58:27 S 06 29 16.891 +68 40 19.99 V C57
2023-12-13 01:58:27 s 1 +222093.11 3 +215419.19 0.326 C57
2023-12-13 02:18:27 S 06 29 25.774 +68 41 14.68 V C57
2023-12-13 02:18:27 s 1 +221863.80 2 +216220.62 0.922 C57
2023-12-13 02:38:27 S 06 29 34.843 +68 42 10.91 V C57
2023-12-13 02:38:27 s 1 +221631.20 8 +217018.91 0.399 C57
2023-12-13 02:58:27 S 06 29 43.548 +68 43 03.14 V C57
2023-12-13 02:58:27 s 1 +221395.41 2 +217814.11 0.814 C57
2023-12-13 03:18:27 S 06 29 51.461 +68 43 54.62 V C57
2023-12-13 03:18:27 s 1 +221156.39 5 +218606.19 0.162 C57
2023-12-13 03:58:27 S 06 30 08.698 +68 45 41.47 V C57
2023-12-13 03:58:27 s 1 +220668.65 8 +220180.92 0.647 C57
2023-12-13 04:38:27 S 06 30 26.503 +68 47 32.10 V C57
2023-12-13 04:38:27 s 1 +220168.10 5 +221743.07 0.965 C57
2023-12-13 04:58:27 S 06 30 34.042 +68 48 21.28 V C57
2023-12-13 04:58:27 s 1 +219913.05 1 +222519.42 0.092 C57
2023-12-13 05:18:27 S 06 30 43.262 +68 49 13.98 V C57
2023-12-13 05:18:27 s 1 +219654.82 0 +223292.62 0.21 C57
2023-12-13 05:38:27 S 06 30 51.900 +68 50 09.28 V C57
2023-12-13 05:38:27 s 1 +219393.37 2 +224062.59 0.298 C57
2023-12-13 05:58:27 S 06 31 00.526 +68 51 02.30 V C57
2023-12-13 05:58:27 s 1 +219128.78 8 +224829.42 0.413 C57
2023-12-13 06:18:27 S 06 31 09.170 +68 51 56.84 V C57
2023-12-13 06:18:27 s 1 +218861.04 9 +225593.07 0.549 C57
2023-12-13 06:38:27 S 06 31 17.556 +68 52 49.91 V C57
2023-12-13 06:38:27 s 1 +218590.11 5 +226353.47 0.684 C57
2023-12-13 06:58:27 S 06 31 26.429 +68 53 43.62 V C57
2023-12-13 06:58:27 s 1 +218316.06 5 +227110.71 0.875 C57
2023-12-13 07:18:27 S 06 31 35.134 +68 54 40.07 V C57
2023-12-13 07:18:27 s 1 +218038.88 2 +227864.74 0.114 C57
2023-12-13 07:38:27 S 06 31 43.975 +68 55 31.08 V C57
2023-12-13 07:38:27 s 1 +217758.52 6 +228615.52 0.384 C57
2023-12-13 07:58:27 S 06 31 52.745 +68 56 20.90 V C57
2023-12-13 07:58:27 s 1 +217475.07 5 +229363.09 0.736 C57
2023-12-13 08:18:27 S 06 32 01.872 +68 57 18.22 V C57
2023-12-13 08:18:27 s 1 +217188.51 2 +230107.45 0.166 C57
2023-12-13 08:38:27 S 06 32 11.935 +68 58 19.63 V C57
2023-12-13 08:38:27 s 1 +216898.79 7 +230848.52 0.655 C57
2023-12-13 08:58:27 S 06 32 18.437 +68 59 01.61 V C57
2023-12-13 08:58:27 s 1 +216606.00 8 +231586.37 0.256 C57
2023-12-13 09:18:27 S 06 32 27.797 +68 59 54.31 V C57
2023-12-13 09:18:27 s 1 +216310.12 8 +232320.98 0.962 C57
2023-12-13 09:38:27 S 06 32 36.905 +69 00 47.66 V C57
2023-12-13 09:38:27 s 1 +216011.11 7 +233052.28 0.756 C57
2023-12-13 09:58:27 S 06 32 45.274 +69 01 43.68 V C57