IAA RAS IAA Minor Planet Database

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 21:45:06 s 1 +58478.878 0 +289710.28 9840.0 – C57
2023-12-16 22:05:07 S 07 17 14.278 +72 22 47.64 – V C57
2023-12-16 22:05:07 s 1 +57600.182 0 +289308.34 4450.0 – C57
2023-12-16 22:25:06 S 07 17 28.968 +72 23 34.30 – V C57
2023-12-16 22:25:06 s 1 +56720.211 0 +288900.17 9520.0 – C57
2023-12-16 22:45:06 S 07 17 41.018 +72 24 14.00 – V C57
2023-12-16 22:45:06 s 1 +55838.980 0 +288485.78 4850.0 – C57
2023-12-16 23:05:06 S 07 17 53.388 +72 24 54.18 – V C57
2023-12-16 23:05:06 s 1 +54956.510 0 +288065.18 300.0 – C57
2023-12-16 23:25:06 S 07 18 05.278 +72 25 34.28 – V C57
2023-12-16 23:25:06 s 1 +54072.803 0 +287638.28 5580.0 – C57
2023-12-16 23:45:06 S 07 18 17.239 +72 26 11.00 – V C57
2023-12-16 23:45:06 s 1 +53187.880 0 +287205.10 530.0 – C57
2023-12-17 00:05:06 S 07 18 30.252 +72 26 53.30 – V C57
2023-12-17 00:05:06 s 1 +52301.757 0 +286765.65 4960.0 – C57
2023-12-17 00:25:06 S 07 18 44.042 +72 27 35.86 – V C57
2023-12-17 00:25:06 s 1 +51414.440 0 +286319.84 8600.0 – C57
2023-12-17 00:45:06 S 07 18 55.656 +72 28 13.58 – V C57
2023-12-17 00:45:06 s 1 +50525.948 0 +285867.69 1270.0 – C57
2023-12-17 01:05:06 S 07 19 08.630 +72 28 53.83 – V C57
2023-12-17 01:05:06 s 1 +49636.300 0 +285409.20 2800.0 – C57
2023-12-17 01:25:06 S 07 19 21.970 +72 29 35.20 – V C57
2023-12-17 01:25:06 s 1 +48745.501 0 +284944.30 2880.0 – C57
2023-12-17 01:45:06 S 07 19 34.013 +72 30 13.82 – V C57
2023-12-17 01:45:06 s 1 +47853.571 0 +284472.99 1350.0 – C57
2023-12-17 02:05:06 S 07 19 47.261 +72 30 54.32 – V C57
2023-12-17 02:05:06 s 1 +46960.529 0 +283995.28 8030.0 – C57
2023-12-17 02:25:06 S 07 20 00.151 +72 31 34.72 – V C57
2023-12-17 02:25:06 s 1 +46066.381 0 +283511.10 2600.0 – C57
2023-12-17 02:45:06 S 07 20 12.670 +72 32 14.64 – V C57
2023-12-17 02:45:06 s 1 +45171.147 0 +283020.45 4890.0 – C57
2023-12-17 03:05:06 S 07 20 25.447 +72 32 51.90 – V C57
2023-12-17 03:05:06 s 1 +44274.846 0 +282523.33 4720.0 – C57
2023-12-17 03:25:06 S 07 20 37.884 +72 33 31.61 – V C57
2023-12-17 03:25:06 s 1 +43377.485 0 +282019.68 1770.0 – C57
2023-12-17 03:45:06 S 07 20 51.194 +72 34 12.90 – V C57
2023-12-17 03:45:06 s 1 +42479.086 0 +281509.49 5850.0 – C57
2023-12-17 04:05:06 S 07 21 03.852 +72 34 50.56 – V C57
2023-12-17 04:05:06 s 1 +41579.666 0 +280992.77 6780.0 – C57
2023-12-17 04:25:06 S 07 21 17.374 +72 35 31.96 – V C57
2023-12-17 04:25:06 s 1 +40679.235 0 +280469.45 4230.0 – C57
2023-12-17 04:30:05 B 07 17 05.04 +72 04 39.5 – Z Y99
2023-12-17 04:44:25 B 07 17 14.99 +72 05 09.2 – Z Y99
2023-12-17 04:45:06 S 07 21 29.748 +72 36 10.80 – V C57
2023-12-17 04:45:06 s 1 +39777.813 0 +279939.54 8010.0 – C57
2023-12-17 05:05:06 S 07 21 42.638 +72 36 47.84 – V C57
2023-12-17 05:05:06 s 1 +38875.420 0 +279403.03 7940.0 – C57
2023-12-17 05:25:06 S 07 21 55.078 +72 37 26.83 – V C57
2023-12-17 05:25:06 s 1 +37972.065 0 +278859.85 3670.0 – C57
2023-12-17 05:45:06 S 07 22 08.417 +72 38 05.93 – V C57