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
2023-12-16 05:05:07 s 1 +100531.71 9 +302309.96 2200.0 C57
2023-12-16 05:25:06 S 07 07 08.705 +71 47 29.36 V C57
2023-12-16 05:25:06 s 1 +99731.105 0 +302194.93 8280.0 C57
2023-12-16 05:45:06 S 07 07 20.995 +71 48 16.60 V C57
2023-12-16 05:45:06 s 1 +98928.690 0 +302074.57 3130.0 C57
2023-12-16 06:05:06 S 07 07 32.714 +71 48 58.50 V C57
2023-12-16 06:05:06 s 1 +98124.489 0 +301948.89 6630.0 C57
2023-12-16 06:25:06 S 07 07 44.323 +71 49 43.54 V C57
2023-12-16 06:25:06 s 1 +97318.496 0 +301817.83 8620.0 C57
2023-12-16 06:45:06 S 07 07 56.357 +71 50 29.04 V C57
2023-12-16 06:45:06 s 1 +96510.729 0 +301681.39 8980.0 C57
2023-12-16 07:05:07 S 07 08 08.330 +71 51 13.14 V C57
2023-12-16 07:05:07 s 1 +95701.201 0 +301539.58 7560.0 C57
2023-12-16 07:25:07 S 07 08 19.478 +71 51 55.55 V C57
2023-12-16 07:25:07 s 1 +94889.908 0 +301392.34 4210.0 C57
2023-12-16 07:45:07 S 07 08 31.596 +71 52 37.24 V C57
2023-12-16 07:45:07 s 1 +94076.866 0 +301239.68 8790.0 C57
2023-12-16 08:05:06 S 07 08 43.579 +71 53 23.10 V C57
2023-12-16 08:05:06 s 1 +93262.091 0 +301081.60 1180.0 C57
2023-12-16 08:25:06 S 07 08 55.202 +71 54 06.95 V C57
2023-12-16 08:25:06 s 1 +92445.577 0 +300918.05 1190.0 C57
2023-12-16 08:45:06 S 07 09 06.876 +71 54 50.44 V C57
2023-12-16 08:45:06 s 1 +91627.341 0 +300749.03 8710.0 C57
2023-12-16 09:05:06 S 07 09 19.394 +71 55 36.01 V C57
2023-12-16 09:05:06 s 1 +90807.399 0 +300574.54 3590.0 C57
2023-12-16 09:25:06 S 07 09 30.823 +71 56 15.61 V C57
2023-12-16 09:25:06 s 1 +89985.747 0 +300394.53 5660.0 C57
2023-12-16 09:45:06 S 07 09 42.665 +71 56 58.24 V C57
2023-12-16 09:45:06 s 1 +89162.400 0 +300208.99 4780.0 C57
2023-12-16 10:05:07 S 07 09 54.461 +71 57 41.69 V C57
2023-12-16 10:05:07 s 1 +88337.374 0 +300017.95 830.0 C57
2023-12-16 10:25:07 S 07 10 06.662 +71 58 25.97 V C57
2023-12-16 10:25:07 s 1 +87510.666 0 +299821.33 3610.0 C57
2023-12-16 10:45:07 S 07 10 18.463 +71 59 09.28 V C57
2023-12-16 10:45:07 s 1 +86682.292 0 +299619.15 2990.0 C57
2023-12-16 11:05:06 S 07 10 30.206 +71 59 51.00 V C57
2023-12-16 11:05:06 s 1 +85852.268 0 +299411.40 8830.0 C57
2023-12-16 11:25:06 S 07 10 42.391 +72 00 34.06 V C57
2023-12-16 11:25:06 s 1 +85020.590 0 +299198.02 950.0 C57
2023-12-16 11:45:06 S 07 10 54.418 +72 01 02.60 V C57
2023-12-16 11:45:06 s 1 +84187.275 0 +298979.04 9210.0 C57
2023-12-16 12:05:06 S 07 11 07.248 +72 02 03.98 V C57
2023-12-16 12:05:06 s 1 +83352.340 0 +298754.43 3470.0 C57
2023-12-16 12:25:06 S 07 11 18.475 +72 02 43.84 V C57
2023-12-16 12:25:06 s 1 +82515.780 0 +298524.15 3530.0 C57
2023-12-16 12:45:06 S 07 11 30.564 +72 03 25.20 V C57
2023-12-16 12:45:06 s 1 +81677.614 0 +298288.21 9260.0 C57
2023-12-16 13:05:07 S 07 11 45.235 +72 04 17.08 V C57
2023-12-16 13:05:07 s 1 +80837.856 0 +298046.60 510.0 C57
2023-12-16 13:25:07 S 07 11 55.282 +72 04 51.46 V C57