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
2023-12-14 09:25:07 s 1 +187116.64 8 +276325.17 3790.0 C57
2023-12-14 09:45:07 S 06 43 46.548 +70 03 27.94 V C57
2023-12-14 09:45:07 s 1 +186610.95 3 +276800.21 4560.0 C57
2023-12-14 10:05:07 S 06 43 56.678 +70 04 18.70 V C57
2023-12-14 10:05:07 s 1 +186102.63 0 +277271.42 3010.0 C57
2023-12-14 10:25:07 S 06 44 05.993 +70 05 09.56 V C57
2023-12-14 10:25:07 s 1 +185591.66 5 +277738.78 9140.0 C57
2023-12-14 10:45:07 S 06 44 15.900 +70 06 01.26 V C57
2023-12-14 10:45:07 s 1 +185078.07 3 +278202.28 3070.0 C57
2023-12-14 11:05:07 S 06 44 26.045 +70 06 52.16 V C57
2023-12-14 11:05:07 s 1 +184561.86 9 +278661.94 4950.0 C57
2023-12-14 11:25:07 S 06 44 35.916 +70 07 42.10 V C57
2023-12-14 11:25:07 s 1 +184043.04 0 +279117.70 4750.0 C57
2023-12-14 11:45:07 S 06 44 46.042 +70 08 34.26 V C57
2023-12-14 11:45:07 s 1 +183521.60 2 +279569.59 2630.0 C57
2023-12-14 12:05:07 S 06 44 54.727 +70 09 21.78 V C57
2023-12-14 12:05:07 s 1 +182997.57 0 +280017.60 8710.0 C57
2023-12-14 12:25:07 S 06 45 05.606 +70 10 14.84 V C57
2023-12-14 12:25:07 s 1 +182470.92 9 +280461.70 2990.0 C57
2023-12-14 12:45:07 S 06 45 15.156 +70 11 04.99 V C57
2023-12-14 12:45:07 s 1 +181941.69 6 +280901.89 5610.0 C57
2023-12-14 13:05:07 S 06 45 24.811 +70 11 52.73 V C57
2023-12-14 13:05:07 s 1 +181409.06 6 +281338.32 7320.0 C57
2023-12-14 13:25:07 S 06 45 34.795 +70 12 43.13 V C57
2023-12-14 13:25:07 s 1 +180874.65 2 +281770.68 6680.0 C57
2023-12-14 13:45:07 S 06 45 44.628 +70 13 32.70 V C57
2023-12-14 13:45:07 s 1 +180337.67 2 +282199.10 4760.0 C57
2023-12-14 14:05:07 S 06 45 54.480 +70 14 20.76 V C57
2023-12-14 14:05:07 s 1 +179798.13 3 +282623.59 1570.0 C57
2023-12-14 14:25:07 S 06 46 04.493 +70 15 12.60 V C57
2023-12-14 14:25:07 s 1 +179256.01 9 +283044.12 7100.0 C57
2023-12-14 14:45:07 S 06 46 15.518 +70 16 08.33 V C57
2023-12-14 14:45:07 s 1 +178711.34 7 +283460.69 1490.0 C57
2023-12-14 15:05:07 S 06 46 24.557 +70 16 53.80 V C57
2023-12-14 15:05:07 s 1 +178164.13 1 +283873.31 4870.0 C57
2023-12-14 15:25:07 S 06 46 34.668 +70 17 45.42 V C57
2023-12-14 15:25:07 s 1 +177614.35 8 +284281.93 7240.0 C57
2023-12-14 15:45:07 S 06 46 44.734 +70 18 35.39 V C57
2023-12-14 15:45:07 s 1 +177062.04 4 +284686.56 8740.0 C57
2023-12-14 16:05:07 S 06 46 54.170 +70 19 24.13 V C57
2023-12-14 16:05:07 s 1 +176507.20 4 +285087.22 9490.0 C57
2023-12-14 16:25:07 S 06 47 04.229 +70 20 14.39 V C57
2023-12-14 16:25:07 s 1 +175949.82 3 +285483.85 9500.0 C57
2023-12-14 16:45:07 S 06 47 14.957 +70 21 06.91 V C57
2023-12-14 16:45:07 s 1 +175389.91 7 +285876.47 8900.0 C57
2023-12-14 17:05:07 S 06 47 24.672 +70 21 56.45 V C57
2023-12-14 17:05:07 s 1 +174827.50 3 +286265.08 7820.0 C57
2023-12-14 17:25:07 S 06 47 34.882 +70 22 45.98 V C57
2023-12-14 17:25:07 s 1 +174262.56 4 +286649.64 6270.0 C57
2023-12-14 17:45:07 S 06 47 44.443 +70 23 32.17 V C57