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
2006-09-15 08:33:35 C 23 34 45.38 -03 03 27.2 r H45
2006-09-15 08:35:26 C 23 34 45.37 -03 03 26.8 r H45
2006-09-15 21:03:55 C 23 34 52.28 -03 00 55.3 17.4 r 084
2006-09-15 21:09:05 C 23 34 52.28 -03 00 53.9 17.4 r 084
2006-09-16 00:32:31 C 23 34 53.28 -03 00 03.6 o J68
2006-09-16 00:38:55 C 23 34 53.07 -03 00 04.8 o J68
2006-09-16 01:27:23 C 23 34 53.10 -02 59 58.6 o J68
2006-09-16 06:29:03 C 23 34 56.29 -02 58 38.5 o 699
2006-09-16 06:55:20 C 23 34 56.18 -02 58 32.9 o 699
2006-09-16 07:21:38 C 23 34 56.09 -02 58 27.2 o 699
2006-09-16 07:47:54 C 23 34 55.98 -02 58 21.2 o 699
2006-09-16 08:33:47 C 23 34 55.09 -02 58 11.6 r H45
2006-09-16 08:35:28 C 23 34 55.09 -02 58 11.0 r H45
2006-09-16 08:37:06 C 23 34 55.07 -02 58 10.7 r H45
2006-09-16 08:39:06 C 23 34 55.07 -02 58 10.3 r H45
2006-09-16 08:40:42 C 23 34 55.07 -02 58 09.9 r H45
2006-09-16 21:06:08 C 23 35 01.96 -02 55 40.2 17.4 r 084
2006-09-16 21:11:18 C 23 35 01.96 -02 55 38.9 17.4 r 084
2006-09-17 05:26:11 C 23 35 06.06 -02 53 37.7 18.3 c 704
2006-09-17 05:42:38 C 23 35 06.02 -02 53 33.4 19.5 c 704
2006-09-17 05:59:12 C 23 35 05.98 -02 53 29.4 19.6 c 704
2006-09-17 06:15:37 C 23 35 05.79 -02 53 25.3 19.5 c 704
2006-09-17 06:32:09 C 23 35 05.74 -02 53 20.2 18.5 c 704
2006-09-18 05:23:31 C 23 35 15.60 -02 48 24.2 18.1 c 704
2006-09-18 05:40:04 C 23 35 15.66 -02 48 17.9 19.3 c 704
2006-09-18 05:56:43 C 23 35 15.49 -02 48 14.8 19.0 c 704
2006-09-18 06:13:13 C 23 35 15.63 -02 48 09.8 19.1 c 704
2006-09-18 06:29:45 C 23 35 15.31 -02 48 06.2 18.0 c 704
2006-09-18 20:56:11 C 23 35 21.24 -02 45 13.0 17.3 r 084
2006-09-19 04:55:20 C 23 35 25.58 -02 43 15.5 o 699
2006-09-19 05:29:33 C 23 35 25.47 -02 43 08.4 o 699
2006-09-19 06:03:45 C 23 35 25.37 -02 43 00.5 o 699
2006-09-19 06:37:58 C 23 35 25.23 -02 42 53.3 o 699
2006-09-19 10:07:46 C 23 35 26.40 -02 41 59.4 18.4 c 608
2006-09-19 10:23:50 C 23 35 26.31 -02 41 55.9 18.3 c 608
2006-09-19 10:39:35 C 23 35 26.22 -02 41 52.4 18.2 c 608
2006-09-20 05:14:43 C 23 35 35.54 -02 37 57.7 18.8 c 704
2006-09-20 05:31:12 C 23 35 35.58 -02 37 52.2 19.9 c 704
2006-09-20 05:47:36 C 23 35 35.51 -02 37 48.3 20.0 c 704
2006-09-20 06:20:25 C 23 35 35.12 -02 37 39.3 18.9 c 704
2006-09-20 08:44:33 C 23 35 34.18 -02 37 10.6 r H45
2006-09-20 08:47:25 C 23 35 34.18 -02 37 10.0 r H45
2006-09-20 08:48:22 C 23 35 34.17 -02 37 09.8 r H45
2006-09-20 08:55:52 C 23 35 34.19 -02 37 08.1 r H45
2006-09-20 08:57:44 C 23 35 34.19 -02 37 07.6 r H45
2006-09-20 20:51:35 C 23 35 42.21 -02 34 35.7 r 157
2006-09-20 20:55:34 C 23 35 42.19 -02 34 35.1 r 157
2006-09-20 20:59:34 C 23 35 42.19 -02 34 34.2 r 157
2006-09-20 23:26:00 C 23 35 41.56 -02 34 10.5 17.5 r 084
2006-09-20 23:31:10 C 23 35 41.58 -02 34 09.5 17.5 r 084