2021 PH27

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7115454392 ± 2.08e-07
Semi-major axis (a)0.4617618725 AU ± 7.57e-09
Inclination (i)31.93911542° ± 3.73e-05
Long. of Asc. Node (Ω)39.39515294° ± 1.96e-05
Arg. of Perihelion (ω)8.58134563° ± 1.54e-05
Mean Anomaly (M)48.47125728° ± 9.00e-05
Mean Motion (n)3.1411246460°/day ± 7.72e-08
Perihelion dist (q)0.13319732 AU ± 9.61e-08
Aphelion dist (Q)0.79032643 AU ± 9.69e-08
Orbital Period0.31378133 yr ± 7.71e-09
Physical Parameters
H (abs. magnitude)17.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.124″
Uncertainty0
Orbit TypeAtira
MOID0.225972 AU
Observations Used95
Oppositions15
Arc Total2017-2024
First Observation Used2017-07-16
Last Observation Used2024-03-02
Observations (105)
Date Type RA Dec Mag Band Observatory
2024-03-02 09:42:19 C 20 21 53.66 -27 24 25.7 X W84
2024-03-02 09:43:27 C 20 21 53.95 -27 24 25.6 X W84
2024-07-11 22:50:00 C 09 02 39.07 -00 49 37.5 V I11
2024-07-11 23:00:37 C 09 02 38.50 -00 49 35.1 V I11
2024-07-11 23:03:46 C 09 02 38.32 -00 49 34.7 V I11