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
2008-03-04 03:11:42 C 03 37 08.81 +26 54 57.4 r 448
2008-04-07 02:33:45 C 07 18 30.88 +20 49 25.0 r 448
2008-04-07 02:56:21 C 07 18 37.09 +20 48 57.1 r 448
2008-04-07 03:17:18 C 07 18 42.78 +20 48 31.0 r 448
2008-04-13 02:45:10 C 07 57 19.70 +17 37 46.0 r 448
2008-04-13 03:03:07 C 07 57 24.26 +17 37 21.2 r 448
2008-04-13 03:20:55 C 07 57 28.83 +17 36 56.0 r 448
2008-04-18 04:00:40 C 08 27 33.85 +14 46 13.1 r 448
2008-04-18 04:17:51 C 08 27 37.84 +14 45 49.1 r 448
2008-04-18 04:33:44 C 08 27 41.57 +14 45 26.6 r 448
2023-09-24 10:46:29 C 03 43 49.541 +27 30 03.60 V G96
2023-09-24 10:53:42 C 03 43 49.930 +27 30 07.78 V G96
2023-09-24 11:00:54 C 03 43 50.329 +27 30 11.59 V G96
2023-09-24 11:08:05 C 03 43 50.686 +27 30 15.48 V G96
2023-10-07 14:19:13 C 04 01 19.752 +30 42 21.88 X F52
2023-10-07 14:35:12 C 04 01 20.546 +30 42 32.48 X F52
2023-10-07 14:51:12 C 04 01 21.362 +30 42 42.96 X F52
2023-10-07 15:07:08 C 04 01 22.155 +30 42 53.36 X F52
2023-10-09 09:56:58 C 04 03 40.306 +31 11 43.62 V G96
2023-10-09 10:05:59 C 04 03 40.759 +31 11 49.56 V G96
2023-10-09 10:15:00 C 04 03 41.213 +31 11 55.43 V G96
2023-10-09 10:24:10 C 04 03 41.663 +31 12 01.94 V G96
2023-10-14 14:43:21 C 04 10 13.413 +32 40 33.72 X F51
2023-10-14 14:52:37 C 04 10 13.860 +32 40 40.49 X F51
2023-10-14 15:01:51 C 04 10 14.303 +32 40 47.24 X F51
2023-10-22 07:49:12 C 04 19 38.154 +35 07 38.60 V G96
2023-10-22 07:56:38 C 04 19 38.489 +35 07 44.80 V G96
2023-10-22 08:04:03 C 04 19 38.842 +35 07 51.31 V G96
2023-10-22 08:11:27 C 04 19 39.184 +35 07 57.54 V G96
2023-11-04 13:44:15 C 04 35 14.567 +40 18 41.30 X F52
2023-11-04 13:57:10 C 04 35 15.118 +40 18 55.47 X F52
2023-11-04 14:10:06 C 04 35 15.670 +40 19 09.68 X F52
2023-11-04 14:23:01 C 04 35 16.230 +40 19 23.81 X F52
2023-11-10 10:59:14 C 04 42 19.606 +43 08 22.78 V T05
2023-11-10 11:03:09 C 04 42 19.750 +43 08 28.00 V T05
2023-11-10 11:08:21 C 04 42 19.970 +43 08 34.62 V T05
2023-11-10 11:44:13 C 04 42 21.506 +43 09 21.35 V T05
2023-11-12 12:10:59 C 04 44 52.409 +44 13 05.38 V T05
2023-11-12 12:18:33 C 04 44 52.798 +44 13 15.53 V T05
2023-11-12 12:22:52 C 04 44 53.016 +44 13 21.43 V T05
2023-11-12 13:08:34 C 04 44 54.946 +44 14 21.88 V T05
2023-11-13 07:16:54 C 04 45 54.248 +44 38 57.91 V G96
2023-11-13 07:24:50 C 04 45 54.601 +44 39 08.86 V G96
2023-11-13 07:32:47 C 04 45 54.979 +44 39 19.91 V G96
2023-11-13 07:40:44 C 04 45 55.372 +44 39 30.96 V G96
2023-11-16 09:15:10 C 04 49 59.033 +46 24 09.97 V U55
2023-11-16 09:33:15 C 04 49 59.878 +46 24 36.94 V U55
2023-11-16 09:51:21 C 04 50 00.770 +46 25 03.54 V U55
2023-11-16 11:02:09 C 04 50 05.374 +46 27 00.40 V T05
2023-11-16 11:05:25 C 04 50 05.578 +46 27 05.11 V T05