2025 ON340

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5107438836 ± 9.93e-05
Semi-major axis (a)2.3104323243 AU ± 5.08e-04
Inclination (i)2.59541839° ± 3.60e-04
Long. of Asc. Node (Ω)317.05317185° ± 1.79e-04
Arg. of Perihelion (ω)4.05904180° ± 1.83e-04
Mean Anomaly (M)28.19587223° ± 9.24e-03
Mean Motion (n)0.2806547508°/day ± 9.26e-05
Perihelion dist (q)1.13039315 AU ± 3.38e-04
Aphelion dist (Q)3.49047150 AU ± 8.01e-04
Orbital Period3.51188170 yr ± 1.16e-03
Physical Parameters
H (abs. magnitude)26.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.068″
Uncertainty1
Orbit TypeAmor
MOID0.115450 AU
Observations Used12
Oppositions1
Arc Total2025-2025
First Observation Used2025-07-18
Last Observation Used2025-08-17
Observations (12)
Date Type RA Dec Mag Band Observatory
2025-07-18 02:04:43 C 20 17 22.021 -27 02 27.90 W X05
2025-07-18 02:06:16 C 20 17 22.262 -27 02 26.39 W X05
2025-07-18 02:38:22 C 20 17 27.186 -27 01 56.56 W X05
2025-07-18 02:39:56 C 20 17 27.427 -27 01 55.11 W X05
2025-07-29 08:18:03 C 21 07 29.656 -20 47 34.90 W X05
2025-07-29 08:52:05 C 21 07 36.147 -20 46 31.65 W X05
2025-08-07 08:42:01 C 21 52 11.968 -13 27 27.41 W X05
2025-08-07 09:01:54 C 21 52 15.803 -13 26 42.35 W X05
2025-08-14 09:14:18 C 22 25 15.540 -07 11 42.90 W X05
2025-08-14 09:30:33 C 22 25 18.369 -07 11 07.10 W X05
2025-08-17 04:15:25 C 22 37 18.488 -04 48 27.31 W X05
2025-08-17 05:26:59 C 22 37 29.562 -04 45 58.47 W X05