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
2025-10-18 18:22:00 C 01 19 48.643 +10 21 28.84 V P07
2025-10-18 18:24:07 C 01 19 48.576 +10 21 28.73 V P07
2025-10-18 21:23:30 C 01 19 47.37 +10 20 51.5 o C41
2025-10-18 21:49:27 C 01 19 46.85 +10 20 51.0 o C41
2025-10-18 22:08:50 C 01 19 47.134 +10 21 37.15 V M22
2025-10-18 22:48:55 C 01 19 46.238 +10 21 37.48 V M22
2025-10-18 22:52:50 C 01 19 46.145 +10 21 37.33 V M22
2025-10-18 23:06:09 C 01 19 45.862 +10 21 37.44 V M22
2025-10-19 23:46:45 C 01 19 28.378 +10 21 12.10 V R17
2025-10-20 00:06:16 C 01 19 27.953 +10 21 12.28 V R17
2025-10-20 00:25:46 C 01 19 27.530 +10 21 12.49 V R17
2025-10-20 00:45:18 C 01 19 27.103 +10 21 12.64 V R17
2025-10-20 11:03:44 C 01 19 19.044 +10 21 22.50 V T08
2025-10-20 11:07:41 C 01 19 18.994 +10 21 22.32 V T08
2025-10-20 11:17:46 C 01 19 18.761 +10 21 22.46 V T08
2025-10-20 11:58:48 C 01 19 17.894 +10 21 21.85 V T08
2025-10-21 01:56:20 C 01 19 10.632 +10 21 57.60 V W68
2025-10-21 02:00:15 C 01 19 10.591 +10 21 58.10 V W68
2025-10-21 02:04:49 C 01 19 10.445 +10 21 57.49 V W68
2025-10-21 02:13:33 C 01 19 10.234 +10 21 56.66 V W68
2025-10-21 15:38:22 C 01 19 00.25 +10 21 27.1 V D29
2025-10-21 15:58:44 C 01 18 59.85 +10 21 27.2 V D29
2025-10-21 16:19:06 C 01 18 59.44 +10 21 27.3 V D29
2025-10-21 22:31:37 C 01 18 55.610 +10 22 08.98 V M22
2025-10-21 22:35:32 C 01 18 55.519 +10 22 09.16 V M22
2025-10-21 22:43:59 C 01 18 55.349 +10 22 09.05 V M22
2025-10-21 23:16:00 C 01 18 54.756 +10 22 08.83 V M22
2025-10-23 23:17:28 B 01 18 27.287 +10 21 49.72 W 130
2025-10-23 23:25:22 B 01 18 27.155 +10 21 49.87 W 130
2025-10-23 23:31:44 B 01 18 27.059 +10 21 49.71 W 130
2025-10-23 23:38:06 B 01 18 26.966 +10 21 49.95 W 130
2025-10-24 19:56:24 B 01 18 18.931 +10 22 06.96 X R63
2025-10-24 20:16:21 B 01 18 18.641 +10 22 07.64 X R63
2025-10-24 22:19:24 C 01 18 16.068 +10 22 50.59 V M22
2025-10-24 22:23:58 C 01 18 15.977 +10 22 50.56 V M22
2025-10-24 22:33:07 C 01 18 15.840 +10 22 50.48 V M22
2025-10-24 23:22:37 C 01 18 15.050 +10 22 50.34 V M22
2025-10-27 12:14:14 C 01 17 55.20 +10 23 13.7 V D29
2025-10-27 12:34:36 C 01 17 54.98 +10 23 14.4 V D29
2025-10-27 12:54:58 C 01 17 54.74 +10 23 15.1 V D29
2025-10-27 21:24:26 C 01 17 51.636 +10 24 02.84 V M22
2025-10-27 21:29:39 C 01 17 51.581 +10 24 02.56 V M22
2025-10-27 21:38:08 C 01 17 51.480 +10 24 02.92 V M22
2025-10-27 22:21:01 C 01 17 50.923 +10 24 03.89 V M22
2025-10-28 15:55:48 C 01 17 47.414 +10 24 24.23 V P07
2025-10-28 16:27:48 C 01 17 47.042 +10 24 24.91 V P07
2025-10-28 16:48:55 C 01 17 46.786 +10 24 25.67 V P07
2025-10-28 17:39:00 C 01 17 46.253 +10 24 26.10 V P07
2025-10-30 09:58:08 C 01 17 43.092 +10 25 13.91 V T05
2025-10-30 10:03:26 C 01 17 43.118 +10 25 14.41 V T05