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
2023-12-10 05:56:12 C 05 59 59.798 +65 21 03.96 V 703
2023-12-10 05:58:47 C 06 00 00.803 +65 21 10.98 V 703
2023-12-10 05:59:32 C 06 00 00.720 +65 21 12.64 V 703
2023-12-10 06:02:08 C 06 00 01.753 +65 21 19.84 V 703
2023-12-10 06:02:52 C 06 00 01.663 +65 21 21.78 V 703
2023-12-10 16:18:27 S 06 07 05.263 +65 59 23.50 V C57
2023-12-10 16:18:27 s 1 +204599.13 6 +37619.245 0.56 C57
2023-12-10 16:38:27 S 06 07 13.682 +66 00 36.29 V C57
2023-12-10 16:38:27 s 1 +205087.17 7 +38813.849 0.587 C57
2023-12-10 16:58:27 S 06 07 19.246 +66 01 17.90 V C57
2023-12-10 16:58:27 s 1 +205569.88 9 +40007.462 0.751 C57
2023-12-10 17:18:27 S 06 07 27.427 +66 02 24.07 V C57
2023-12-10 17:18:27 s 1 +206047.25 0 +41200.052 0.038 C57
2023-12-10 17:38:27 S 06 07 33.977 +66 03 20.56 V C57
2023-12-10 17:38:27 s 1 +206519.19 9 +42391.579 0.405 C57
2023-12-10 18:58:27 S 06 08 02.146 +66 07 08.22 V C57
2023-12-10 18:58:27 s 1 +208354.11 4 +47146.742 0.979 C57
2023-12-10 19:18:27 S 06 08 09.214 +66 08 03.88 V C57
2023-12-10 19:18:27 s 1 +208799.69 6 +48332.675 0.512 C57
2023-12-10 19:38:27 S 06 08 16.498 +66 09 04.21 V C57
2023-12-10 19:38:27 s 1 +209239.98 2 +49517.403 0.286 C57
2023-12-10 19:58:27 S 06 08 22.994 +66 09 56.92 V C57
2023-12-10 19:58:27 s 1 +209675.11 1 +50700.929 0.435 C57
2023-12-10 20:18:27 S 06 08 29.875 +66 10 55.16 V C57
2023-12-10 20:18:27 s 1 +210105.05 9 +51883.222 0.946 C57
2023-12-10 20:38:27 S 06 08 36.526 +66 11 50.71 V C57
2023-12-10 20:38:27 s 1 +210529.76 7 +53064.242 0.777 C57
2023-12-10 20:58:27 S 06 08 44.760 +66 12 52.02 V C57
2023-12-10 20:58:27 s 1 +210949.37 3 +54243.996 0.058 C57
2023-12-10 21:38:27 S 06 08 57.593 +66 14 35.16 V C57
2023-12-10 21:38:27 s 1 +211773.14 9 +56599.570 0.893 C57
2023-12-10 22:18:27 S 06 09 12.886 +66 16 41.30 V C57
2023-12-10 22:18:27 s 1 +212576.57 1 +58949.789 0.685 C57
2023-12-10 22:38:27 S 06 09 19.896 +66 17 36.24 V C57
2023-12-10 22:38:27 s 1 +212970.61 7 +60122.817 0.308 C57
2023-12-10 22:58:27 S 06 09 27.204 +66 18 32.36 V C57
2023-12-10 22:58:27 s 1 +213359.66 7 +61294.455 0.528 C57
2023-12-10 23:18:27 S 06 09 34.224 +66 19 29.78 V C57
2023-12-10 23:18:27 s 1 +213743.69 8 +62464.674 0.332 C57
2023-12-10 23:58:27 S 06 09 48.290 +66 21 25.13 V C57
2023-12-10 23:58:27 s 1 +214496.66 5 +64800.740 0.696 C57
2023-12-11 01:18:27 S 06 10 17.794 +66 25 14.16 V C57
2023-12-11 01:18:27 s 1 +215943.07 2 +69454.963 0.423 C57
2023-12-11 02:18:27 S 06 10 38.501 +66 28 04.26 V C57
2023-12-11 02:18:27 s 1 +216976.24 5 +72929.347 0.12 C57
2023-12-11 02:38:27 S 06 10 45.998 +66 29 01.18 V C57
2023-12-11 02:38:27 s 1 +217310.85 7 +74084.266 0.902 C57
2023-12-11 02:58:27 S 06 10 53.160 +66 29 58.16 V C57
2023-12-11 02:58:27 s 1 +217640.67 6 +75237.574 0.554 C57
2023-12-11 03:18:27 S 06 11 00.314 +66 30 53.42 V C57