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
2008-08-31 02:57:26 C 20 23 21.13 +01 33 33.2 o H55
2008-08-31 03:01:55 C 20 23 20.90 +01 33 31.0 o H55
2008-09-11 02:49:30 C 20 10 49.37 -00 26 04.5 o H55
2008-09-11 02:57:19 C 20 10 49.00 -00 26 08.7 o H55
2008-09-11 03:15:17 C 20 10 48.25 -00 26 18.3 o H55
2008-09-18 01:19:56 C 20 04 48.41 -01 46 37.9 o H55
2008-09-18 01:37:51 C 20 04 47.79 -01 46 46.6 o H55
2008-09-18 01:47:09 C 20 04 47.49 -01 46 51.1 o H55
2008-09-18 05:18:56 C 20 04 40.72 -01 48 33.4 r 448
2008-09-18 06:09:30 C 20 04 39.01 -01 48 57.6 r 448
2008-09-18 07:01:04 C 20 04 37.55 -01 49 23.0 r 448
2008-09-19 02:36:14 C 20 04 02.43 -01 58 57.2 o H55
2008-09-19 02:47:49 C 20 04 02.06 -01 59 03.5 o H55
2008-09-19 02:48:43 C 20 04 02.14 -01 59 03.0 r 448
2008-09-19 03:01:56 C 20 04 01.66 -01 59 09.9 o H55
2008-09-19 03:50:44 C 20 04 00.17 -01 59 33.2 r 448
2008-09-23 02:41:04 C 20 01 31.38 -02 45 47.7 o H55
2008-09-23 02:58:48 C 20 01 30.92 -02 45 54.9 o H55
2008-09-23 03:14:48 C 20 01 30.55 -02 46 04.9 o H55
2008-09-23 03:29:19 C 20 01 30.19 -02 46 10.8 o H55
2008-09-23 03:42:05 C 20 01 29.91 -02 46 16.8 o H55
2008-10-05 01:36:27 C 19 57 52.17 -05 01 18.3 o H55
2008-10-05 01:48:34 C 19 57 52.13 -05 01 24.3 o H55
2008-10-05 01:57:57 C 19 57 52.10 -05 01 28.4 o H55
2008-10-22 01:08:48 C 20 02 53.91 -07 49 08.0 r 304
2008-10-22 01:14:14 C 20 02 54.05 -07 49 10.0 r 304
2008-10-22 01:19:42 C 20 02 54.18 -07 49 12.0 r 304
2008-10-22 01:25:08 C 20 02 54.33 -07 49 14.0 r 304
2008-10-22 01:30:37 C 20 02 54.47 -07 49 15.8 r 304
2008-10-22 01:36:03 C 20 02 54.61 -07 49 17.9 r 304
2008-10-22 01:41:32 C 20 02 54.74 -07 49 19.8 r 304
2008-10-22 01:47:00 C 20 02 54.89 -07 49 21.8 r 304
2008-10-22 01:52:27 C 20 02 55.04 -07 49 23.8 r 304
2008-10-22 01:57:55 C 20 02 55.18 -07 49 26.0 r 304
2008-10-22 02:03:21 C 20 02 55.31 -07 49 27.8 r 304
2008-10-22 02:08:49 C 20 02 55.47 -07 49 29.9 r 304
2008-10-22 02:14:15 C 20 02 55.57 -07 49 31.2 r 304
2008-10-22 02:19:43 C 20 02 55.71 -07 49 33.6 r 304
2008-10-22 02:25:09 C 20 02 55.86 -07 49 35.8 r 304
2008-11-30 01:50:46 C 20 56 43.53 -11 34 47.6 o 291
2008-11-30 01:56:06 C 20 56 43.97 -11 34 48.1 o 291
2008-11-30 02:01:28 C 20 56 44.60 -11 34 49.9 o 291
2009-01-14 10:34:15 C 23 10 07.43 -10 53 39.5 r E12
2009-01-14 10:40:25 C 23 10 08.31 -10 53 39.1 r E12
2009-01-16 00:50:56 C 23 16 20.69 -10 47 28.4 o H55
2009-01-16 00:58:52 C 23 16 21.94 -10 47 27.6 o H55
2009-01-31 00:50:06 C 00 20 52.90 -09 35 37.7 o H55
2009-01-31 00:56:09 C 00 20 54.07 -09 35 36.1 o H55
2009-01-31 01:02:20 C 00 20 55.31 -09 35 34.6 o H55
2009-03-03 01:54:18 C 03 26 34.16 -04 15 19.0 o H55