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
2025-10-04 08:52:13 C 01 24 18.950 +10 07 49.80 V T05
2025-10-04 09:10:14 C 01 24 18.590 +10 07 51.71 V T05
2025-10-04 11:52:37 C 01 24 15.235 +10 08 06.86 V T08
2025-10-04 12:08:49 C 01 24 14.916 +10 08 08.23 V T08
2025-10-04 12:53:32 C 01 24 14.035 +10 08 11.44 V T08
2025-10-04 12:58:59 C 01 24 13.908 +10 08 11.83 V T08
2025-10-11 01:20:38 C 01 22 23.791 +10 17 22.20 V R17
2025-10-11 01:40:11 C 01 22 23.318 +10 17 22.96 V R17
2025-10-11 01:59:44 C 01 22 22.855 +10 17 23.39 V R17
2025-10-11 02:19:31 C 01 22 22.375 +10 17 24.18 V R17
2025-10-11 23:10:30 C 01 22 05.98 +10 17 57.4 V R85
2025-10-11 23:17:51 C 01 22 05.82 +10 17 57.6 V R85
2025-10-11 23:25:11 C 01 22 05.64 +10 17 57.8 V R85
2025-10-12 01:18:57 C 01 22 03.871 +10 18 10.91 V R17
2025-10-12 01:38:31 C 01 22 03.391 +10 18 11.34 V R17
2025-10-12 01:58:04 C 01 22 02.928 +10 18 11.92 V R17
2025-10-12 02:17:38 C 01 22 02.467 +10 18 12.38 V R17
2025-10-12 22:53:57 C 01 21 46.13 +10 18 38.0 V R85
2025-10-12 23:01:41 C 01 21 45.92 +10 18 38.5 V R85
2025-10-12 23:09:06 C 01 21 45.77 +10 18 39.1 V R85
2025-10-15 22:10:26 B 01 20 45.76 +10 20 04.0 V R99
2025-10-15 22:15:06 B 01 20 45.66 +10 20 04.2 V R99
2025-10-15 22:19:45 B 01 20 45.57 +10 20 04.5 V R99
2025-10-15 22:45:00 C 01 20 44.659 +10 20 51.32 V M22
2025-10-15 22:49:33 C 01 20 44.503 +10 20 51.61 V M22
2025-10-15 22:57:21 C 01 20 44.345 +10 20 52.01 V M22
2025-10-15 23:31:33 C 01 20 43.560 +10 20 52.19 V M22
2025-10-17 06:56:30 C 01 20 18.308 +10 20 35.95 V V00
2025-10-17 07:04:34 C 01 20 18.121 +10 20 36.06 V V00
2025-10-17 07:12:36 C 01 20 17.934 +10 20 36.10 V V00
2025-10-17 07:20:39 C 01 20 17.747 +10 20 36.17 V V00
2025-10-17 13:32:13 C 01 20 14.297 +10 21 13.21 V P07
2025-10-17 14:45:48 C 01 20 12.634 +10 21 14.72 V P07
2025-10-17 15:59:32 C 01 20 10.903 +10 21 15.34 V P07
2025-10-17 17:04:43 C 01 20 09.365 +10 21 16.16 V P07
2025-10-17 18:09:17 C 01 20 07.884 +10 21 16.06 V P07
2025-10-17 22:24:40 B 01 20 06.192 +10 20 38.58 X K19
2025-10-17 22:30:24 B 01 20 06.053 +10 20 38.51 X K19
2025-10-17 22:35:32 B 01 20 05.904 +10 20 38.62 X K19
2025-10-18 07:09:01 C 01 19 58.696 +10 20 50.14 V G96
2025-10-18 07:25:07 C 01 19 58.343 +10 20 50.21 V G96
2025-10-18 07:33:10 C 01 19 58.163 +10 20 50.24 V G96
2025-10-18 08:01:45 C 01 19 57.522 +10 20 50.42 V G96
2025-10-18 08:09:49 C 01 19 57.342 +10 20 50.39 V G96
2025-10-18 08:17:52 C 01 19 57.166 +10 20 50.46 V G96
2025-10-18 08:25:55 C 01 19 56.989 +10 20 50.46 V G96
2025-10-18 13:59:37 C 01 19 54.600 +10 21 27.32 V P07
2025-10-18 15:23:03 C 01 19 52.687 +10 21 28.44 V P07
2025-10-18 15:24:29 C 01 19 52.670 +10 21 28.51 V P07
2025-10-18 17:49:41 C 01 19 49.322 +10 21 29.27 V P07