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
2023-12-11 03:18:27 s 1 +217965.67 9 +76389.241 0.064 C57
2023-12-11 17:38:27 S 06 16 18.406 +67 11 24.29 V C57
2023-12-11 17:38:27 s 1 +227590.59 6 +124136.00 0.846 C57
2023-12-11 17:58:27 S 06 16 26.146 +67 12 22.82 V C57
2023-12-11 17:58:27 s 1 +227718.02 9 +125200.58 0.251 C57
2023-12-11 18:18:27 S 06 16 33.002 +67 13 13.55 V C57
2023-12-11 18:18:27 s 1 +227841.28 9 +126262.90 0.357 C57
2023-12-11 18:38:27 S 06 16 40.550 +67 14 10.97 V C57
2023-12-11 18:38:27 s 1 +227960.32 6 +127322.92 0.131 C57
2023-12-11 18:58:27 S 06 16 48.271 +67 15 06.88 V C57
2023-12-11 18:58:27 s 1 +228075.24 9 +128380.66 0.664 C57
2023-12-11 19:18:27 S 06 16 55.798 +67 16 04.26 V C57
2023-12-11 19:18:27 s 1 +228186.03 6 +129436.11 0.945 C57
2023-12-11 20:18:27 S 06 17 18.538 +67 18 50.44 V C57
2023-12-11 20:18:27 s 1 +228493.58 5 +132588.52 0.343 C57
2023-12-11 20:38:27 S 06 17 26.957 +67 19 47.68 V C57
2023-12-11 20:38:27 s 1 +228587.86 0 +133634.63 0.704 C57
2023-12-11 20:58:27 S 06 17 34.382 +67 20 42.18 V C57
2023-12-11 20:58:27 s 1 +228678.09 3 +134678.41 0.916 C57
2023-12-11 21:58:27 S 06 17 57.722 +67 23 32.96 V C57
2023-12-11 21:58:27 s 1 +228924.36 7 +137795.49 0.591 C57
2023-12-11 22:18:27 S 06 18 04.690 +67 24 26.32 V C57
2023-12-11 22:18:27 s 1 +228998.38 8 +138829.76 0.237 C57
2023-12-11 22:38:27 S 06 18 12.590 +67 25 22.26 V C57
2023-12-11 22:38:27 s 1 +229068.33 2 +139861.58 0.737 C57
2023-12-11 22:58:27 S 06 18 19.766 +67 26 14.75 V C57
2023-12-11 22:58:27 s 1 +229134.30 2 +140891.02 0.179 C57
2023-12-11 23:18:27 S 06 18 27.938 +67 27 12.78 V C57
2023-12-11 23:18:27 s 1 +229196.27 9 +141918.03 0.55 C57
2023-12-11 23:38:27 S 06 18 35.796 +67 28 09.16 V C57
2023-12-11 23:38:27 s 1 +229254.21 3 +142942.58 0.822 C57
2023-12-11 23:58:27 S 06 18 43.123 +67 29 05.53 V C57
2023-12-11 23:58:27 s 1 +229308.20 9 +143964.70 0.077 C57
2023-12-12 00:18:27 S 06 18 51.502 +67 30 02.56 V C57
2023-12-12 00:18:27 s 1 +229358.24 4 +144984.38 0.307 C57
2023-12-12 00:38:27 S 06 19 00.670 +67 31 00.37 V C57
2023-12-12 00:38:27 s 1 +229404.27 2 +146001.55 0.481 C57
2023-12-12 01:18:27 S 06 19 14.453 +67 32 48.41 V C57
2023-12-12 01:18:27 s 1 +229484.58 9 +148028.53 0.898 C57
2023-12-12 01:38:27 S 06 19 22.111 +67 33 43.20 V C57
2023-12-12 01:38:27 s 1 +229518.81 1 +149038.25 0.102 C57
2023-12-12 01:58:27 S 06 19 31.022 +67 34 42.74 V C57
2023-12-12 01:58:27 s 1 +229549.15 9 +150045.49 0.375 C57
2023-12-12 02:18:27 S 06 19 37.783 +67 35 31.70 V C57
2023-12-12 02:18:27 s 1 +229575.61 3 +151050.22 0.707 C57
2023-12-12 02:38:27 S 06 19 45.571 +67 36 28.04 V C57
2023-12-12 02:38:27 s 1 +229598.12 7 +152052.40 0.069 C57
2023-12-12 02:58:27 S 06 19 53.330 +67 37 26.29 V C57
2023-12-12 02:58:27 s 1 +229616.80 0 +153052.07 0.54 C57
2023-12-12 03:18:27 S 06 20 01.154 +67 38 20.69 V C57