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 17:38:27 s 1 +207925.41 7 +249605.78 0.597 C57
2023-12-13 17:58:27 S 06 36 20.189 +69 22 46.49 V C57
2023-12-13 17:58:27 s 1 +207551.31 8 +250253.11 0.188 C57
2023-12-13 18:15:07 S 06 36 28.332 +69 23 32.89 V C57
2023-12-13 18:15:07 s 1 +207237.27 4 +250789.84 0.217 C57
2023-12-14 00:05:07 S 06 39 10.442 +69 38 46.00 V C57
2023-12-14 00:05:07 s 1 +200181.45 7 +261500.00 0.752 C57
2023-12-14 00:25:07 S 06 39 19.310 +69 39 35.60 V C57
2023-12-14 00:25:07 s 1 +199751.98 4 +262079.11 0.988 C57
2023-12-14 00:45:07 S 06 39 28.229 +69 40 22.84 V C57
2023-12-14 00:45:07 s 1 +199319.70 9 +262654.61 0.744 C57
2023-12-14 01:45:07 S 06 39 56.645 +69 43 00.44 V C57
2023-12-14 01:45:07 s 1 +198006.14 6 +264359.39 0.223 C57
2023-12-14 02:05:07 S 06 40 06.286 +69 43 53.62 V C57
2023-12-14 02:05:07 s 1 +197562.73 5 +264920.40 1500.0 C57
2023-12-14 02:25:07 S 06 40 16.085 +69 44 49.74 V C57
2023-12-14 02:25:07 s 1 +197116.54 1 +265477.74 6350.0 C57
2023-12-14 03:05:07 S 06 40 34.738 +69 46 27.62 V C57
2023-12-14 03:05:07 s 1 +196215.87 4 +266581.47 3350.0 C57
2023-12-14 04:45:07 S 06 41 22.080 +69 50 43.55 V C57
2023-12-14 04:45:07 s 1 +193916.09 4 +269276.37 5440.0 C57
2023-12-14 05:05:07 S 06 41 31.879 +69 51 34.85 V C57
2023-12-14 05:05:07 s 1 +193447.94 8 +269804.26 8540.0 C57
2023-12-14 05:25:07 S 06 41 41.551 +69 52 28.42 V C57
2023-12-14 05:25:07 s 1 +192977.07 3 +270328.42 8000.0 C57
2023-12-14 05:45:07 S 06 41 50.870 +69 53 17.02 V C57
2023-12-14 05:45:07 s 1 +192503.48 5 +270848.85 3970.0 C57
2023-12-14 05:53:13 C 06 36 03.017 +69 20 40.63 V 703
2023-12-14 05:56:33 C 06 36 04.309 +69 20 48.80 V 703
2023-12-14 05:59:53 C 06 36 05.821 +69 20 57.52 V 703
2023-12-14 06:03:14 C 06 36 07.549 +69 21 06.52 V 703
2023-12-14 06:05:07 S 06 42 00.540 +69 54 10.66 V C57
2023-12-14 06:05:07 s 1 +192027.20 1 +271365.55 6570.0 C57
2023-12-14 06:25:07 S 06 42 09.787 +69 54 58.57 V C57
2023-12-14 06:25:07 s 1 +191548.20 4 +271878.50 5800.0 C57
2023-12-14 06:45:07 S 06 42 19.786 +69 55 51.17 V C57
2023-12-14 06:45:07 s 1 +191066.51 1 +272387.69 1790.0 C57
2023-12-14 07:05:07 S 06 42 29.393 +69 56 40.52 V C57
2023-12-14 07:05:07 s 1 +190582.13 9 +272893.14 4690.0 C57
2023-12-14 07:25:07 S 06 42 38.933 +69 57 32.54 V C57
2023-12-14 07:25:07 s 1 +190095.07 2 +273394.80 4470.0 C57
2023-12-14 07:45:07 S 06 42 48.881 +69 58 25.64 V C57
2023-12-14 07:45:07 s 1 +189605.32 7 +273892.68 1270.0 C57
2023-12-14 08:05:07 S 06 42 58.723 +69 59 15.72 V C57
2023-12-14 08:05:07 s 1 +189112.92 0 +274386.80 5240.0 C57
2023-12-14 08:25:07 S 06 43 07.925 +70 00 05.80 V C57
2023-12-14 08:25:07 s 1 +188617.83 5 +274877.10 6350.0 C57
2023-12-14 09:05:07 S 06 43 27.211 +70 01 47.71 V C57
2023-12-14 09:05:07 s 1 +187619.69 9 +275846.30 560.0 C57
2023-12-14 09:25:07 S 06 43 36.898 +70 02 37.75 V C57