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
2006-09-21 19:51:06 C 23 35 52.15 -02 29 40.3 17.6 r 084
2006-09-21 19:56:16 C 23 35 52.12 -02 29 39.8 17.6 r 084
2006-09-21 21:10:20 C 23 35 53.01 -02 29 15.5 17.4 o 160
2006-09-21 21:12:53 C 23 35 52.98 -02 29 15.0 17.6 o 160
2006-09-21 21:15:18 C 23 35 53.02 -02 29 14.6 17.4 o 160
2006-09-21 21:18:16 C 23 35 52.97 -02 29 13.8 17.3 o 160
2006-09-21 21:20:49 C 23 35 52.99 -02 29 13.4 17.5 o 160
2006-09-22 20:41:43 C 23 36 03.57 -02 24 11.1 17.6 r 084
2006-09-22 20:46:53 C 23 36 03.60 -02 24 10.1 17.9 r 084
2006-09-23 03:55:38 C 23 36 08.64 -02 22 19.5 c 691
2006-09-23 04:20:36 C 23 36 08.64 -02 22 14.0 c 691
2006-09-23 04:45:35 C 23 36 08.62 -02 22 08.5 c 691
2006-09-23 20:38:01 C 23 36 15.70 -02 18 50.1 17.3 r 084
2006-09-23 20:43:11 C 23 36 15.69 -02 18 49.9 18.1 r 084
2006-09-23 22:15:31 C 23 36 16.54 -02 18 22.1 c A53
2006-09-23 22:31:22 C 23 36 16.54 -02 18 18.4 c A53
2006-09-23 22:41:57 C 23 36 16.50 -02 18 16.0 c A53
2006-09-24 21:51:01 C 23 36 28.94 -02 13 10.6 17.6 r 084
2006-09-25 02:29:54 C 23 36 33.24 -02 11 59.2 r H51
2006-09-25 04:08:25 C 23 36 33.38 -02 11 37.6 r H51
2006-09-25 04:52:38 C 23 36 33.42 -02 11 27.7 r H51
2006-09-25 05:57:40 C 23 36 34.30 -02 11 07.5 o 699
2006-09-25 06:31:52 C 23 36 34.23 -02 10 59.4 o 699
2006-09-25 07:06:05 C 23 36 34.23 -02 10 52.3 o 699
2006-09-25 07:40:21 C 23 36 34.22 -02 10 44.3 o 699
2006-09-26 07:36:46 C 23 36 47.96 -02 05 16.8 r H45
2006-09-26 07:38:19 C 23 36 47.98 -02 05 16.7 r H45
2006-09-26 07:39:39 C 23 36 47.97 -02 05 16.1 r H45
2006-09-26 07:40:44 C 23 36 47.98 -02 05 15.9 r H45
2006-09-26 07:41:42 C 23 36 47.98 -02 05 15.5 r H45
2006-09-26 20:24:15 C 23 36 57.77 -02 02 32.1 17.8 r 084
2006-09-26 20:29:26 C 23 36 57.78 -02 02 30.9 17.4 r 084
2006-09-27 20:18:09 C 23 37 14.01 -01 56 58.4 17.8 r 084
2006-09-27 20:23:20 C 23 37 14.08 -01 56 57.4 16.5 r 084
2006-09-29 03:47:59 C 23 37 37.09 -01 48 32.1 r 808
2006-09-29 03:58:00 C 23 37 37.11 -01 48 29.6 r 808
2006-09-29 04:07:59 C 23 37 37.14 -01 48 27.3 r 808
2006-09-29 05:05:11 C 23 37 38.83 -01 49 00.4 17.6 c 704
2006-09-29 05:22:42 C 23 37 38.95 -01 48 55.9 18.7 c 704
2006-09-29 05:40:01 C 23 37 38.98 -01 48 51.4 18.4 c 704
2006-09-29 05:57:31 C 23 37 39.03 -01 48 47.4 18.4 c 704
2006-09-29 06:14:49 C 23 37 39.03 -01 48 43.1 18.6 c 704
2006-09-29 07:28:24 C 23 37 38.73 -01 48 26.8 r H45
2006-09-29 07:29:28 C 23 37 38.74 -01 48 26.4 r H45
2006-09-29 07:30:30 C 23 37 38.75 -01 48 26.1 r H45
2006-09-29 07:32:26 C 23 37 38.75 -01 48 25.7 r H45
2006-09-29 07:42:15 C 23 37 38.80 -01 48 23.3 r H45
2006-09-29 21:58:57 C 23 37 51.82 -01 45 03.3 c A41
2006-09-29 22:27:19 C 23 37 51.96 -01 44 56.3 c A41
2006-09-29 22:55:47 C 23 37 52.12 -01 44 49.4 c A41