261938 (2006 OB5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2185310738 ± 2.06e-08
Semi-major axis (a)1.5330413955 AU ± 2.81e-10
Inclination (i)0.71015164° ± 1.44e-06
Long. of Asc. Node (Ω)356.11316699° ± 5.02e-05
Arg. of Perihelion (ω)357.42355726° ± 5.05e-05
Mean Anomaly (M)37.11666536° ± 4.60e-06
Mean Motion (n)0.5192559160°/day ± 1.43e-10
Perihelion dist (q)1.19802421 AU ± 3.16e-08
Aphelion dist (Q)1.86805858 AU ± 3.16e-08
Orbital Period1.89815128 yr ± 5.23e-10
Physical Parameters
H (abs. magnitude)20.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.251″
Uncertainty0
Orbit TypeAmor
MOID0.190316 AU
Observations Used627
Oppositions11
Arc Total2002-2025
First Observation Used2002-05-07
Last Observation Used2025-12-17
Observations (708)
Date Type RA Dec Mag Band Observatory
2006-10-20 07:16:24 C 23 50 33.97 +00 33 22.5 r G96
2006-10-20 07:25:20 C 23 50 34.26 +00 33 25.6 r G96
2006-10-20 07:34:20 C 23 50 34.54 +00 33 28.5 r G96
2006-10-23 04:25:37 C 23 53 25.46 +00 56 31.0 18.2 c 704
2006-10-23 04:42:23 C 23 53 26.05 +00 56 36.4 18.2 c 704
2006-10-23 05:00:44 C 23 53 26.70 +00 56 42.3 18.4 c 704
2006-10-23 05:17:57 C 23 53 27.26 +00 56 47.9 18.4 c 704
2006-10-25 21:30:22 C 23 56 19.78 +01 19 06.9 c A41
2006-10-25 22:07:30 C 23 56 21.32 +01 19 20.8 c A41
2006-10-25 22:44:51 C 23 56 22.80 +01 19 33.5 c A41
2006-10-28 04:24:29 C 23 58 58.44 +01 39 02.4 18.3 c 704
2006-10-28 04:41:08 C 23 58 59.05 +01 39 08.7 18.7 c 704
2006-10-28 04:59:20 C 23 58 59.87 +01 39 15.4 18.7 c 704
2006-10-28 05:16:12 C 23 59 00.57 +01 39 20.5 18.1 c 704
2006-10-28 05:33:25 C 23 59 01.25 +01 39 27.6 18.8 c 704
2006-11-11 04:41:44 C 00 18 13.10 +03 52 31.4 r 703
2006-11-11 04:55:43 C 00 18 13.96 +03 52 36.7 r 703
2006-11-11 05:10:28 C 00 18 14.83 +03 52 42.6 r 703
2006-11-11 05:24:26 C 00 18 15.58 +03 52 49.0 r 703
2006-11-17 04:33:44 C 00 27 47.91 +04 54 33.7 r 703
2006-11-17 04:43:54 C 00 27 48.63 +04 54 37.4 r 703
2006-11-17 04:54:03 C 00 27 49.17 +04 54 42.1 r 703
2006-11-17 05:04:16 C 00 27 49.93 +04 54 45.2 r 703
2006-11-21 03:03:46 C 00 34 28.08 +05 36 39.1 o 704
2006-11-21 03:21:31 C 00 34 29.31 +05 36 47.4 o 704
2006-11-21 03:39:18 C 00 34 30.47 +05 36 53.5 o 704
2006-11-21 03:57:22 C 00 34 31.67 +05 37 02.0 o 704
2008-12-02 07:52:47 C 06 06 43.08 +25 36 26.1 o 691
2008-12-02 08:18:12 C 06 06 41.24 +25 36 26.8 o 691
2008-12-02 08:44:21 C 06 06 39.30 +25 36 27.4 o 691
2008-12-22 06:45:35 C 05 31 54.58 +25 22 38.8 r G96
2008-12-22 06:52:07 C 05 31 54.12 +25 22 38.2 r G96
2008-12-22 06:58:32 C 05 31 53.68 +25 22 37.9 r G96
2008-12-22 07:04:58 C 05 31 53.22 +25 22 37.3 r G96
2011-01-09 05:24:12 C 08 26 46.95 +20 44 03.6 o 691
2011-01-09 05:59:45 C 08 26 44.31 +20 44 15.4 o 691
2011-01-13 04:44:16 C 08 19 53.28 +21 05 57.4 o 691
2011-01-13 05:09:48 C 08 19 51.18 +21 06 05.7 o 691
2011-01-13 05:35:20 C 08 19 49.42 +21 06 12.9 o 691
2011-01-16 08:16:56 C 08 14 15.82 +21 22 41.3 r G96
2011-01-16 08:29:35 C 08 14 14.78 +21 22 43.4 r G96
2011-01-16 08:42:18 C 08 14 13.81 +21 22 46.9 r G96
2011-01-16 08:54:58 C 08 14 12.84 +21 22 49.2 r G96
2011-01-23 05:46:09 C 08 02 03.04 +21 55 18.1 r G96
2011-01-23 05:56:04 C 08 02 02.29 +21 55 20.1 r G96
2011-01-23 06:05:59 C 08 02 01.53 +21 55 21.6 r G96
2011-01-23 06:15:52 C 08 02 00.85 +21 55 23.8 r G96
2011-01-28 06:19:16 C 07 53 40.88 +22 14 39.3 r G96
2011-01-28 06:31:01 C 07 53 40.02 +22 14 41.3 r G96
2011-01-28 06:42:45 C 07 53 39.26 +22 14 42.7 r G96