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
2023-12-13 09:58:27 s 1 +215709.05 2 +233780.35 0.689 C57
2023-12-13 10:18:27 S 06 32 53.921 +69 02 34.51 V C57
2023-12-13 10:18:27 s 1 +215403.91 7 +234505.14 0.757 C57
2023-12-13 10:19:11 C 06 27 07.714 +68 32 32.82 V T05
2023-12-13 10:21:48 C 06 27 08.748 +68 32 39.44 V T05
2023-12-13 10:25:44 C 06 27 10.301 +68 32 49.42 V T05
2023-12-13 10:38:27 S 06 33 03.336 +69 03 30.82 V C57
2023-12-13 10:38:27 s 1 +215095.67 2 +235226.61 0.94 C57
2023-12-13 10:58:27 S 06 33 11.964 +69 04 22.98 V C57
2023-12-13 10:58:27 s 1 +214784.39 4 +235944.81 0.291 C57
2023-12-13 11:00:14 C 06 27 23.923 +68 34 16.50 V T05
2023-12-13 11:18:27 S 06 33 20.501 +69 05 12.23 V C57
2023-12-13 11:18:27 s 1 +214470.06 5 +236659.73 0.804 C57
2023-12-13 11:38:27 S 06 33 29.952 +69 06 09.14 V C57
2023-12-13 11:38:27 s 1 +214152.64 8 +237371.29 0.461 C57
2023-12-13 11:58:27 S 06 33 39.024 +69 07 02.57 V C57
2023-12-13 11:58:27 s 1 +213832.21 7 +238079.58 0.314 C57
2023-12-13 12:18:27 S 06 33 48.065 +69 07 57.07 V C57
2023-12-13 12:18:27 s 1 +213508.75 6 +238784.55 0.356 C57
2023-12-13 12:38:27 S 06 33 56.410 +69 08 46.68 V C57
2023-12-13 12:38:27 s 1 +213182.22 6 +239486.14 0.57 C57
2023-12-13 12:58:27 S 06 34 05.177 +69 09 40.54 V C57
2023-12-13 12:58:27 s 1 +212852.70 3 +240184.44 0.007 C57
2023-12-13 13:18:27 S 06 34 14.009 +69 10 28.81 V C57
2023-12-13 13:18:27 s 1 +212520.17 0 +240879.39 0.661 C57
2023-12-13 13:38:27 S 06 34 23.009 +69 11 24.47 V C57
2023-12-13 13:38:27 s 1 +212184.58 8 +241570.96 0.516 C57
2023-12-13 13:58:27 S 06 34 32.304 +69 12 19.58 V C57
2023-12-13 13:58:27 s 1 +211846.03 3 +242259.19 0.62 C57
2023-12-13 14:18:27 S 06 34 41.052 +69 13 10.56 V C57
2023-12-13 14:18:27 s 1 +211504.48 7 +242944.07 0.969 C57
2023-12-13 14:38:27 S 06 34 50.609 +69 14 05.21 V C57
2023-12-13 14:38:27 s 1 +211159.91 2 +243625.53 0.546 C57
2023-12-13 14:58:27 S 06 34 59.786 +69 14 58.13 V C57
2023-12-13 14:58:27 s 1 +210812.38 3 +244303.64 0.399 C57
2023-12-13 15:18:27 S 06 35 08.681 +69 15 51.91 V C57
2023-12-13 15:18:27 s 1 +210461.88 4 +244978.37 0.525 C57
2023-12-13 15:38:27 S 06 35 16.903 +69 16 40.15 V C57
2023-12-13 15:38:27 s 1 +210108.37 5 +245649.66 0.906 C57
2023-12-13 15:58:27 S 06 35 26.801 +69 17 36.85 V C57
2023-12-13 15:58:27 s 1 +209751.93 2 +246317.58 0.591 C57
2023-12-13 16:18:27 S 06 35 36.432 +69 18 37.94 V C57
2023-12-13 16:18:27 s 1 +209392.53 7 +246982.09 0.575 C57
2023-12-13 16:38:27 S 06 35 43.764 +69 19 15.56 V C57
2023-12-13 16:38:27 s 1 +209030.15 2 +247643.14 0.842 C57
2023-12-13 16:58:27 S 06 35 53.398 +69 20 11.26 V C57
2023-12-13 16:58:27 s 1 +208664.85 2 +248300.80 0.44 C57
2023-12-13 17:18:27 S 06 36 02.849 +69 21 05.04 V C57
2023-12-13 17:18:27 s 1 +208296.62 0 +248955.04 0.363 C57
2023-12-13 17:38:27 S 06 36 11.609 +69 21 56.74 V C57