414287 (2008 OB9)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7597148037 ± 1.65e-08
Semi-major axis (a)3.2013202666 AU ± 1.23e-08
Inclination (i)13.50226407° ± 6.70e-06
Long. of Asc. Node (Ω)202.66787075° ± 1.56e-05
Arg. of Perihelion (ω)238.61681107° ± 1.53e-05
Mean Anomaly (M)331.52360265° ± 4.23e-06
Mean Motion (n)0.1720753217°/day ± 9.90e-10
Perihelion dist (q)0.76922987 AU ± 5.30e-08
Aphelion dist (Q)5.63341066 AU ± 5.72e-08
Orbital Period5.72787703 yr ± 3.30e-08
Physical Parameters
H (abs. magnitude)17.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.334″
Uncertainty0
Orbit TypeApollo
MOID0.013076 AU
Observations Used302
Oppositions11
Arc Total2008-2021
First Observation Used2008-07-29
Last Observation Used2021-05-13
Observations (334)
Date Type RA Dec Mag Band Observatory
2009-03-03 01:58:07 C 03 26 35.34 -04 15 16.0 o H55
2009-03-03 01:59:46 C 03 26 35.83 -04 15 14.5 o H55
2009-03-12 19:34:12 C 04 42 41.66 -01 05 23.5 c 587
2009-03-17 02:26:36 C 05 16 45.79 +00 23 14.8 o H55
2009-03-17 02:29:20 C 05 16 46.70 +00 23 17.4 o H55
2009-03-17 02:33:25 C 05 16 48.01 +00 23 20.7 o H55
2009-03-18 19:51:48 C 05 30 16.79 +00 58 08.3 r 130
2009-03-18 20:01:08 C 05 30 19.81 +00 58 16.4 r 130
2009-03-30 01:12:10 C 06 51 30.57 +04 12 56.0 o H55
2009-03-30 01:14:48 C 06 51 31.28 +04 12 57.5 o H55
2009-03-30 01:17:27 C 06 51 32.02 +04 12 58.8 o H55
2009-04-09 02:30:56 C 07 50 49.19 +06 01 30.0 o H55
2009-04-09 02:33:07 C 07 50 49.68 +06 01 30.7 o H55
2009-04-09 02:37:27 C 07 50 50.62 +06 01 31.9 o H55
2009-04-17 03:08:20 C 08 29 08.45 +06 46 33.8 o H55
2009-04-17 03:09:58 C 08 29 08.71 +06 46 34.2 o H55
2009-04-17 03:11:36 C 08 29 08.97 +06 46 34.6 o H55
2009-04-17 03:13:14 C 08 29 09.19 +06 46 34.9 o H55
2009-04-23 04:33:27 C 08 53 43.51 +07 01 36.9 r 703
2009-04-23 04:43:52 C 08 53 45.13 +07 01 38.0 r 703
2009-04-23 04:54:20 C 08 53 46.78 +07 01 39.3 r 703
2009-04-23 05:04:37 C 08 53 48.33 +07 01 39.1 r 703
2014-06-09 10:15:02 C 23 00 53.33 +08 04 56.6 o 291
2014-06-09 10:21:17 C 23 00 53.66 +08 04 59.4 o 291
2014-06-09 10:27:32 C 23 00 53.97 +08 05 02.4 o 291
2014-08-20 00:18:42 C 00 49 36.59 +25 30 26.3 q Z81
2014-08-20 01:16:13 C 00 49 42.27 +25 31 13.8 q Z81
2014-08-20 01:50:12 C 00 49 45.61 +25 31 42.0 q Z81
2014-08-21 01:39:57 C 00 52 13.46 +25 51 19.0 q Z81
2014-08-21 02:17:32 C 00 52 17.30 +25 51 50.1 q Z81
2014-08-21 02:48:03 C 00 52 20.38 +25 52 15.7 q Z81
2014-08-22 09:28:20 C 00 55 38.11 +26 17 55.8 q H45
2014-08-22 09:30:29 C 00 55 38.34 +26 17 57.7 q H45
2014-08-22 09:32:33 C 00 55 38.56 +26 17 59.4 q H45
2014-08-22 09:34:23 C 00 55 38.76 +26 18 00.9 q H45
2014-08-22 09:35:56 C 00 55 38.92 +26 18 02.3 q H45
2014-08-22 09:37:26 C 00 55 39.02 +26 18 03.5 q H45
2014-08-22 09:39:04 C 00 55 39.27 +26 18 05.0 q H45
2014-08-22 09:41:59 C 00 55 39.58 +26 18 07.6 q H45
2014-08-24 09:39:04 C 01 01 07.55 +26 59 11.3 q H45
2014-08-24 09:41:01 C 01 01 07.80 +26 59 12.7 q H45
2014-08-24 09:43:03 C 01 01 08.03 +26 59 14.3 q H45
2014-08-24 09:44:27 C 01 01 08.22 +26 59 15.6 q H45
2014-08-24 09:46:21 C 01 01 08.41 +26 59 17.3 q H45
2014-08-24 09:48:21 C 01 01 08.63 +26 59 19.1 q H45
2014-08-24 09:50:19 C 01 01 08.87 +26 59 20.8 q H45
2014-08-24 09:52:03 C 01 01 09.05 +26 59 22.4 q H45
2014-08-25 02:13:11 C 01 03 06.86 +27 13 36.4 q 160
2014-08-25 02:16:08 C 01 03 07.21 +27 13 39.0 q 160
2014-08-25 02:19:06 C 01 03 07.56 +27 13 41.6 q 160