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
2011-01-28 06:54:33 C 07 53 38.43 +22 14 44.6 r G96
2013-02-07 04:30:47 C 09 51 14.30 +13 57 38.6 o 691
2013-02-07 04:56:17 C 09 51 12.48 +13 57 47.8 o 691
2013-02-07 05:21:49 C 09 51 10.71 +13 57 56.0 o 691
2013-02-09 09:03:24 C 09 47 40.787 +14 14 57.58 L F51
2013-02-09 09:24:56 C 09 47 39.258 +14 15 04.96 L F51
2013-02-09 09:46:38 C 09 47 37.710 +14 15 12.03 L F51
2013-02-09 10:08:23 C 09 47 36.176 +14 15 19.32 L F51
2015-02-16 10:47:37 C 11 22 40.813 +04 31 19.85 L F51
2015-02-16 11:06:14 C 11 22 39.799 +04 31 25.93 L F51
2015-02-16 11:43:27 C 11 22 37.795 +04 31 37.02 L F51
2017-03-19 08:55:01 C 12 16 17.161 -01 54 52.24 L F51
2017-03-19 09:12:29 C 12 16 16.054 -01 54 45.82 L F51
2017-03-19 09:29:53 C 12 16 14.946 -01 54 39.36 L F51
2017-03-19 09:47:16 C 12 16 13.831 -01 54 32.74 L F51
2017-03-26 07:00:58 C 12 05 58.13 -00 52 10.1 q G96
2017-03-26 07:09:29 C 12 05 57.59 -00 52 07.0 q G96
2017-03-26 07:15:35 C 12 05 57.25 -00 52 05.1 q G96
2017-03-26 07:21:40 C 12 05 56.77 -00 52 02.5 q G96
2019-03-26 07:30:54 C 13 50 02.34 -11 52 55.6 u H21
2019-03-26 07:39:58 C 13 50 01.95 -11 52 53.6 u H21
2019-03-26 07:55:10 C 13 50 01.15 -11 52 49.6 u H21
2019-04-03 10:59:56 C 13 40 05.784 -11 03 19.96 U F51
2019-04-03 11:16:56 C 13 40 04.774 -11 03 15.02 U F51
2019-04-03 11:33:53 C 13 40 03.758 -11 03 10.11 U F51
2019-04-03 11:50:53 C 13 40 02.751 -11 03 05.03 U F51
2019-04-06 10:56:41 C 13 35 54.687 -10 41 38.40 U F51
2019-04-06 11:14:21 C 13 35 53.587 -10 41 33.11 U F51
2019-04-06 11:32:02 C 13 35 52.463 -10 41 27.43 U F51
2019-04-09 10:43:31 C 13 31 32.214 -10 18 30.83 U F51
2019-04-09 11:01:13 C 13 31 31.047 -10 18 24.92 U F51
2019-04-09 11:18:54 C 13 31 29.913 -10 18 19.03 U F51
2021-04-10 12:52:29 C 15 32 16.396 -20 07 06.00 U F51
2021-04-10 13:09:02 C 15 32 15.939 -20 07 05.38 U F51
2021-04-10 13:25:33 C 15 32 15.512 -20 07 04.73 U F51
2021-04-10 13:42:06 C 15 32 15.079 -20 07 04.17 U F51
2021-04-17 11:36:23 C 15 27 06.323 -19 56 00.92 U F51
2021-04-17 11:52:13 C 15 27 05.663 -19 55 59.55 U F51
2021-04-17 12:08:02 C 15 27 05.015 -19 55 58.01 U F51
2021-04-17 12:23:54 C 15 27 04.345 -19 55 56.59 U F51
2021-05-14 07:55:29 C 14 49 21.78 -17 49 02.7 V G96
2021-05-14 08:03:19 C 14 49 21.18 -17 49 01.1 V G96
2021-05-14 08:11:08 C 14 49 20.63 -17 48 58.3 V G96
2021-05-14 08:18:58 C 14 49 20.09 -17 48 55.4 V G96
2021-06-11 08:11:17 C 14 14 54.876 -15 08 37.51 U F51
2021-06-11 08:28:57 C 14 14 54.371 -15 08 34.89 U F51
2021-06-11 08:46:36 C 14 14 53.874 -15 08 32.46 U F51
2021-06-11 09:04:17 C 14 14 53.395 -15 08 29.90 U F51
2021-06-12 05:43:39 C 14 14 24.08 -15 05 47.0 V G96
2021-06-12 05:51:10 C 14 14 23.91 -15 05 46.6 V G96