877855 (2011 GZ54)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1393099594 ± 7.27e-08
Semi-major axis (a)1.3325698057 AU ± 6.64e-09
Inclination (i)9.96772724° ± 5.62e-06
Long. of Asc. Node (Ω)213.60806443° ± 8.69e-06
Arg. of Perihelion (ω)15.34664145° ± 3.45e-05
Mean Anomaly (M)156.63703348° ± 5.00e-05
Mean Motion (n)0.6407333411°/day ± 4.79e-09
Perihelion dist (q)1.14692956 AU ± 9.71e-08
Aphelion dist (Q)1.51821005 AU ± 9.72e-08
Orbital Period1.53827844 yr ± 1.15e-08
Physical Parameters
H (abs. magnitude)22.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.224″
Uncertainty0
Orbit TypeAmor
MOID0.142188 AU
Observations Used101
Oppositions5
Arc Total2011-2025
First Observation Used2011-04-05
Last Observation Used2025-10-26
Observations (105)
Date Type RA Dec Mag Band Observatory
2025-10-23 13:54:31 C 23 22 35.588 +04 14 46.08 W O18
2025-10-25 17:48:01 C 23 22 46.726 +03 33 55.19 W O18
2025-10-25 17:49:47 C 23 22 46.732 +03 33 53.95 W O18
2025-10-26 12:55:07 C 23 22 55.545 +03 19 35.56 W O18
2025-10-26 13:57:39 C 23 22 55.820 +03 18 49.76 W O18