2011 YW1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3266118206 ± 8.63e-08
Semi-major axis (a)1.8103851185 AU ± 3.68e-08
Inclination (i)34.95144572° ± 1.87e-05
Long. of Asc. Node (Ω)88.70354513° ± 3.30e-06
Arg. of Perihelion (ω)8.97368818° ± 9.67e-05
Mean Anomaly (M)254.36981402° ± 8.14e-05
Mean Motion (n)0.4046278950°/day ± 1.23e-08
Perihelion dist (q)1.21909194 AU ± 1.58e-07
Aphelion dist (Q)2.40167830 AU ± 1.64e-07
Orbital Period2.43588318 yr ± 7.42e-08
Physical Parameters
H (abs. magnitude)19.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.270″
Uncertainty0
Orbit TypeAmor
MOID0.237869 AU
Observations Used201
Oppositions3
Arc Total2011-2016
First Observation Used2011-12-18
Last Observation Used2016-12-01
Observations (205)
Date Type RA Dec Mag Band Observatory
2016-11-29 04:04:10 C 11 36 32.91 +24 29 18.3 t J04
2016-11-29 04:15:53 C 11 36 35.04 +24 29 28.1 t J04
2016-11-29 04:27:41 C 11 36 37.15 +24 29 38.7 t J04
2016-12-01 06:48:17 C 11 45 51.253 +25 11 01.60 U Y28
2016-12-01 06:54:39 C 11 45 52.409 +25 11 06.84 U Y28