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
2025-12-11 05:51:04 C 01 48 42.311 +13 08 36.17 V G96
2025-12-11 05:59:11 C 01 48 42.692 +13 08 38.11 V G96
2025-12-11 06:07:16 C 01 48 43.150 +13 08 40.67 V G96
2025-12-11 06:15:21 C 01 48 43.578 +13 08 42.61 V G96
2025-12-16 12:51:23 C 01 56 25.64 +13 45 46.4 V D29
2025-12-16 13:32:07 C 01 56 28.06 +13 45 58.0 V D29
2025-12-17 11:35:12 C 01 57 52.70 +13 52 39.2 V D29
2025-12-17 12:15:55 C 01 57 55.17 +13 52 51.7 V D29