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
2006-08-01 06:02:49 C 23 04 29.28 -08 15 40.2 r H45
2006-08-01 06:04:14 C 23 04 29.33 -08 15 39.5 r H45
2006-08-01 06:05:43 C 23 04 29.42 -08 15 38.9 r H45
2006-08-16 07:20:58 C 23 21 27.53 -06 09 42.1 r 649
2006-08-16 08:07:28 C 23 21 28.83 -06 09 27.6 r 649
2006-08-16 08:23:09 C 23 21 29.26 -06 09 22.6 r 649
2006-08-16 09:19:13 C 23 21 31.63 -06 09 02.1 o 644
2006-08-16 09:49:02 C 23 21 32.43 -06 08 52.7 o 644
2006-08-16 10:20:40 C 23 21 33.30 -06 08 42.6 o 644
2006-08-18 07:20:12 C 23 23 10.03 -05 54 38.4 18.0 c 704
2006-08-18 07:35:30 C 23 23 10.40 -05 54 33.9 18.4 c 704
2006-08-18 07:50:32 C 23 23 10.75 -05 54 28.8 18.4 c 704
2006-08-18 08:05:29 C 23 23 11.12 -05 54 25.4 17.8 c 704
2006-08-18 08:20:27 C 23 23 11.49 -05 54 20.3 18.4 c 704
2006-08-18 09:38:31 C 23 23 13.75 -05 53 56.1 o 644
2006-08-18 10:08:32 C 23 23 14.47 -05 53 46.8 o 644
2006-08-18 10:41:07 C 23 23 15.26 -05 53 36.7 o 644
2006-08-19 01:29:02 C 23 23 44.75 -05 49 08.7 18.8 i 071
2006-08-19 01:34:22 C 23 23 44.87 -05 49 07.2 19.2 i 071
2006-08-19 01:39:36 C 23 23 45.04 -05 49 06.2 19.0 i 071
2006-08-21 06:02:08 C 23 25 25.56 -05 33 22.0 18.3 c 704
2006-08-21 06:17:47 C 23 25 25.91 -05 33 17.5 18.7 c 704
2006-08-21 06:33:35 C 23 25 26.25 -05 33 12.6 18.4 c 704
2006-08-21 06:49:20 C 23 25 26.57 -05 33 07.8 18.4 c 704
2006-08-21 07:05:17 C 23 25 26.90 -05 33 04.0 18.4 c 704
2006-08-21 07:38:20 C 23 25 26.89 -05 32 59.1 r H51
2006-08-21 07:58:22 C 23 25 27.35 -05 32 53.6 r H51
2006-08-21 08:14:28 C 23 25 27.65 -05 32 49.5 r H51
2006-08-22 09:32:23 C 23 26 11.52 -05 25 23.3 o 644
2006-08-22 10:02:52 C 23 26 12.07 -05 25 14.2 o 644
2006-08-22 10:33:39 C 23 26 12.63 -05 25 05.3 o 644
2006-08-23 09:18:57 C 23 26 50.59 -05 18 35.6 o 644
2006-08-23 09:49:29 C 23 26 51.10 -05 18 26.9 o 644
2006-08-23 10:19:54 C 23 26 51.60 -05 18 18.1 o 644
2006-08-24 08:17:38 C 23 27 26.97 -05 12 07.7 o 644
2006-08-24 08:48:55 C 23 27 27.44 -05 11 59.1 o 644
2006-08-24 09:18:40 C 23 27 27.88 -05 11 50.7 o 644
2006-08-25 06:40:42 C 23 28 00.64 -05 05 56.5 18.9 c 704
2006-08-25 06:57:10 C 23 28 00.90 -05 05 50.1 18.7 c 704
2006-08-25 07:13:17 C 23 28 01.04 -05 05 45.4 18.5 c 704
2006-08-25 07:29:27 C 23 28 01.26 -05 05 39.2 18.0 c 704
2006-08-25 08:54:22 C 23 28 01.92 -05 05 19.2 r H45
2006-08-25 08:55:30 C 23 28 01.93 -05 05 18.9 r H45
2006-08-25 08:57:08 C 23 28 01.95 -05 05 18.5 r H45
2006-08-25 08:58:15 C 23 28 01.99 -05 05 18.0 r H45
2006-08-25 08:59:31 C 23 28 02.00 -05 05 17.8 r H45
2006-08-25 09:01:04 C 23 28 02.02 -05 05 17.2 r H45
2006-08-27 08:47:29 C 23 29 07.54 -04 52 23.1 o 699
2006-08-27 09:13:43 C 23 29 07.85 -04 52 15.4 o 699
2006-08-27 09:39:55 C 23 29 08.12 -04 52 09.0 o 699