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
2002-05-07 05:57:38 C 14 35 28.49 -16 36 27.8 c 644
2002-05-07 07:56:40 C 14 35 19.95 -16 35 53.3 c 644
2002-05-07 09:34:28 C 14 35 13.10 -16 35 25.4 c 644
2002-05-18 06:56:58 C 14 18 06.75 -15 17 28.5 c 644
2002-05-18 07:31:03 C 14 18 04.55 -15 17 18.8 c 644
2006-07-21 06:48:58 C 22 48 10.50 -09 58 10.8 18.8 c 704
2006-07-21 07:20:34 C 22 48 12.49 -09 57 57.1 19.4 c 704
2006-07-21 07:36:27 C 22 48 13.47 -09 57 51.7 19.1 c 704
2006-07-21 07:52:19 C 22 48 14.45 -09 57 45.8 19.4 c 704
2006-07-22 00:53:39 C 22 49 22.80 -09 50 56.7 r J87
2006-07-22 01:01:40 C 22 49 23.38 -09 50 54.5 r J87
2006-07-22 01:09:40 C 22 49 23.87 -09 50 50.7 r J87
2006-07-22 05:57:54 C 22 49 42.28 -09 48 28.7 r I77
2006-07-22 06:05:21 C 22 49 42.69 -09 48 25.7 r I77
2006-07-22 06:12:47 C 22 49 43.11 -09 48 23.1 r I77
2006-07-22 08:29:47 C 22 49 52.69 -09 47 53.9 r 734
2006-07-22 08:31:52 C 22 49 52.82 -09 47 52.9 r 734
2006-07-22 08:33:58 C 22 49 52.94 -09 47 52.4 r 734
2006-07-22 08:36:05 C 22 49 53.10 -09 47 51.5 r 734
2006-07-22 08:38:11 C 22 49 53.22 -09 47 50.7 r 734
2006-07-23 00:46:41 C 22 50 57.34 -09 41 26.2 c A44
2006-07-23 01:08:44 C 22 50 59.01 -09 41 17.8 r J95
2006-07-23 01:14:49 C 22 50 59.33 -09 41 15.8 r J95
2006-07-23 01:17:23 C 22 50 59.22 -09 41 14.0 c A44
2006-07-23 01:20:53 C 22 50 59.74 -09 41 13.2 r J95
2006-07-23 01:33:43 C 22 51 00.19 -09 41 07.5 c A44
2006-07-24 00:19:49 C 22 52 30.07 -09 32 03.8 r J95
2006-07-24 00:25:53 C 22 52 30.47 -09 32 01.8 r J95
2006-07-24 00:31:57 C 22 52 30.80 -09 31 59.4 r J95
2006-07-25 08:06:46 C 22 54 32.02 -09 19 25.3 r H45
2006-07-25 08:09:09 C 22 54 32.15 -09 19 24.3 r H45
2006-07-25 08:11:15 C 22 54 32.28 -09 19 23.7 r H45
2006-07-25 08:13:09 C 22 54 32.37 -09 19 22.8 r H45
2006-07-25 08:15:00 C 22 54 32.49 -09 19 22.1 r H45
2006-07-25 08:17:31 C 22 54 32.63 -09 19 21.1 r H45
2006-07-25 10:57:12 C 22 54 42.30 -09 18 17.6 o 644
2006-07-25 11:12:39 C 22 54 43.17 -09 18 11.6 o 644
2006-07-25 11:31:37 C 22 54 44.24 -09 18 04.2 o 644
2006-07-31 06:37:28 C 23 03 09.33 -08 24 28.0 r H45
2006-07-31 06:44:36 C 23 03 09.69 -08 24 25.4 r H45
2006-07-31 06:48:46 C 23 03 09.88 -08 24 23.8 r H45
2006-07-31 06:52:10 C 23 03 10.05 -08 24 22.5 r H45
2006-07-31 06:54:48 C 23 03 10.20 -08 24 21.7 r H45
2006-07-31 06:56:50 C 23 03 10.30 -08 24 20.9 r H45
2006-07-31 07:02:11 C 23 03 10.56 -08 24 19.0 r H45
2006-07-31 07:07:39 C 23 03 10.84 -08 24 16.9 r H45
2006-08-01 05:52:33 C 23 04 28.76 -08 15 44.0 r H45
2006-08-01 05:54:41 C 23 04 28.87 -08 15 43.0 r H45
2006-08-01 05:56:24 C 23 04 28.95 -08 15 42.3 r H45
2006-08-01 06:01:22 C 23 04 29.22 -08 15 41.0 r H45