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
2023-12-15 12:05:07 s 1 +138791.63 9 +301445.92 990.0 C57
2023-12-15 12:25:06 S 06 57 32.105 +71 08 45.74 V C57
2023-12-15 12:25:06 s 1 +138092.98 4 +301584.03 8440.0 C57
2023-12-15 12:45:06 S 06 57 43.217 +71 09 33.95 V C57
2023-12-15 12:45:06 s 1 +137392.15 7 +301717.49 1010.0 C57
2023-12-15 13:05:07 S 06 57 54.504 +71 10 19.49 V C57
2023-12-15 13:05:07 s 1 +136689.17 3 +301846.33 8820.0 C57
2023-12-15 13:25:07 S 06 58 04.927 +71 11 06.68 V C57
2023-12-15 13:25:07 s 1 +135984.02 2 +301970.48 1940.0 C57
2023-12-15 13:45:07 S 06 58 15.672 +71 11 49.85 V C57
2023-12-15 13:45:07 s 1 +135276.71 9 +302089.95 490.0 C57
2023-12-15 14:05:07 S 06 58 27.175 +71 12 40.68 V C57
2023-12-15 14:05:07 s 1 +134567.27 7 +302204.76 4600.0 C57
2023-12-15 14:25:07 S 06 58 37.987 +71 13 26.76 V C57
2023-12-15 14:25:07 s 1 +133855.68 7 +302314.84 4330.0 C57
2023-12-15 14:45:07 S 06 58 49.159 +71 14 13.67 V C57
2023-12-15 14:45:07 s 1 +133141.96 5 +302420.22 9830.0 C57
2023-12-15 15:05:06 S 06 59 00.245 +71 14 57.84 V C57
2023-12-15 15:05:06 s 1 +132426.12 4 +302520.88 1200.0 C57
2023-12-15 15:25:06 S 06 59 11.340 +71 15 47.52 V C57
2023-12-15 15:25:06 s 1 +131708.15 4 +302616.79 8530.0 C57
2023-12-15 15:45:06 S 06 59 22.080 +71 16 33.35 V C57
2023-12-15 15:45:06 s 1 +130988.07 2 +302707.95 1940.0 C57
2023-12-15 16:05:07 S 06 59 33.394 +71 17 18.46 V C57
2023-12-15 16:05:07 s 1 +130265.89 0 +302794.37 1560.0 C57
2023-12-15 16:25:07 S 06 59 44.362 +71 18 05.94 V C57
2023-12-15 16:25:07 s 1 +129541.60 0 +302875.99 7460.0 C57
2023-12-15 16:45:07 S 06 59 55.541 +71 18 53.64 V C57
2023-12-15 16:45:07 s 1 +128815.21 6 +302952.83 9770.0 C57
2023-12-15 17:05:07 S 07 00 06.341 +71 19 38.21 V C57
2023-12-15 17:05:07 s 1 +128086.75 4 +303024.89 8620.0 C57
2023-12-15 17:25:07 S 07 00 17.827 +71 20 27.13 V C57
2023-12-15 17:25:07 s 1 +127356.20 3 +303092.11 4090.0 C57
2023-12-15 17:45:07 S 07 00 29.398 +71 21 14.18 V C57
2023-12-15 17:45:07 s 1 +126623.58 0 +303154.51 6310.0 C57
2023-12-15 18:05:06 S 07 00 40.138 +71 21 57.67 V C57
2023-12-15 18:05:06 s 1 +125888.89 7 +303212.09 5400.0 C57
2023-12-15 18:25:06 S 07 00 51.187 +71 22 43.50 V C57
2023-12-15 18:25:06 s 1 +125152.14 7 +303264.80 1440.0 C57
2023-12-15 18:45:06 S 07 01 01.512 +71 23 25.69 V C57
2023-12-15 18:45:06 s 1 +124413.34 4 +303312.65 4580.0 C57
2023-12-15 19:05:07 S 07 01 13.584 +71 24 16.24 V C57
2023-12-15 19:05:07 s 1 +123672.50 3 +303355.64 4930.0 C57
2023-12-15 19:25:07 S 07 01 24.943 +71 25 01.34 V C57
2023-12-15 19:25:07 s 1 +122929.61 5 +303393.72 2590.0 C57
2023-12-15 19:45:07 S 07 01 35.842 +71 25 46.67 V C57
2023-12-15 19:45:07 s 1 +122184.69 5 +303426.89 7680.0 C57
2023-12-15 20:05:07 S 07 01 46.435 +71 26 30.59 V C57
2023-12-15 20:05:07 s 1 +121437.75 8 +303455.17 320.0 C57
2023-12-15 20:25:07 S 07 01 58.082 +71 27 18.76 V C57