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
2006-08-27 10:06:08 C 23 29 08.45 -04 52 01.7 o 699
2006-08-29 21:59:13 C 23 30 20.57 -04 36 34.5 18.1 r 084
2006-08-30 07:26:17 C 23 30 30.76 -04 33 56.7 17.6 c 704
2006-08-30 07:41:59 C 23 30 30.89 -04 33 52.7 17.8 c 704
2006-08-30 07:57:44 C 23 30 31.04 -04 33 48.5 18.1 c 704
2006-08-30 08:13:33 C 23 30 31.16 -04 33 44.2 17.6 c 704
2006-08-30 08:29:30 C 23 30 31.28 -04 33 40.0 17.6 c 704
2006-08-30 22:28:00 C 23 30 47.16 -04 30 14.1 18.1 c A86
2006-08-30 22:37:14 C 23 30 47.23 -04 30 10.9 17.6 c A86
2006-08-30 22:48:49 C 23 30 47.34 -04 30 07.8 17.6 c A86
2006-08-31 05:39:29 C 23 30 53.28 -04 27 30.4 o 808
2006-08-31 05:51:30 C 23 30 53.38 -04 27 28.3 o 808
2006-08-31 06:03:29 C 23 30 53.48 -04 27 24.9 o 808
2006-09-01 20:39:03 C 23 31 32.32 -04 18 38.0 o A78
2006-09-01 20:48:08 C 23 31 32.42 -04 18 36.2 o A78
2006-09-01 20:56:06 C 23 31 32.46 -04 18 33.9 o A78
2006-09-02 06:10:29 C 23 31 38.68 -04 15 24.5 o 808
2006-09-02 06:20:30 C 23 31 38.60 -04 15 22.9 o 808
2006-09-02 06:30:49 C 23 31 38.74 -04 15 20.2 o 808
2006-09-03 21:51:48 C 23 32 12.68 -04 06 42.8 17.7 r 084
2006-09-03 21:56:59 C 23 32 12.74 -04 06 42.0 17.7 r 084
2006-09-04 23:30:08 C 23 32 32.30 -04 00 26.6 r 203
2006-09-05 00:13:03 C 23 32 32.46 -04 00 16.0 r 203
2006-09-05 21:50:40 C 23 32 48.98 -03 55 07.0 17.8 c 595
2006-09-05 22:00:57 C 23 32 49.04 -03 55 05.0 c 595
2006-09-05 22:11:19 C 23 32 49.04 -03 55 02.3 c 595
2006-09-10 20:34:38 C 23 33 58.99 -03 27 42.5 17.8 r 084
2006-09-11 21:16:18 C 23 34 10.83 -03 22 08.0 18.1 r 084
2006-09-11 21:21:29 C 23 34 10.79 -03 22 07.4 17.8 r 084
2006-09-12 20:31:12 C 23 34 21.81 -03 16 56.4 17.4 r 084
2006-09-12 20:36:23 C 23 34 21.80 -03 16 55.2 17.5 r 084
2006-09-13 08:38:12 C 23 34 25.10 -03 14 02.2 r H45
2006-09-13 08:39:30 C 23 34 25.10 -03 14 01.5 r H45
2006-09-13 08:41:27 C 23 34 25.10 -03 14 01.1 r H45
2006-09-13 08:44:21 C 23 34 25.09 -03 14 00.6 r H45
2006-09-13 08:46:22 C 23 34 25.09 -03 14 00.1 r H45
2006-09-13 08:48:25 C 23 34 25.07 -03 13 59.5 r H45
2006-09-13 20:45:44 C 23 34 33.03 -03 11 29.5 r 113
2006-09-13 20:48:15 C 23 34 32.99 -03 11 28.8 r 113
2006-09-13 20:50:28 C 23 34 33.01 -03 11 28.4 r 113
2006-09-13 20:52:41 C 23 34 33.01 -03 11 27.9 r 113
2006-09-13 20:54:52 C 23 34 33.01 -03 11 28.0 r 113
2006-09-13 22:19:46 C 23 34 33.10 -03 11 07.4 o 198
2006-09-13 22:20:47 C 23 34 33.10 -03 11 07.1 o 198
2006-09-13 22:32:58 C 23 34 33.08 -03 11 04.4 o 198
2006-09-13 22:34:00 C 23 34 33.08 -03 11 04.2 o 198
2006-09-13 22:40:05 C 23 34 33.07 -03 11 02.8 o 198
2006-09-15 08:29:18 C 23 34 45.39 -03 03 28.0 r H45
2006-09-15 08:30:28 C 23 34 45.38 -03 03 27.8 r H45
2006-09-15 08:32:13 C 23 34 45.38 -03 03 27.4 r H45