171P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2018-04-24 (JD 2458232.5)
Eccentricity (e)0.5019570017 ± 1.25e-07
Semi-major axis (a)3.5582083748 AU ± 6.48e-08
Inclination (i)21.93292046° ± 1.57e-05
Long. of Asc. Node (Ω)101.69970629° ± 2.31e-05
Arg. of Perihelion (ω)347.16355376° ± 8.33e-05
Mean Anomaly (M)321.12416402° ± 2.51e-05
Mean Motion (n)0.1468470444°/day ± 4.01e-09
Perihelion dist (q)1.77214077 AU ± 4.47e-07
Aphelion dist (Q)5.34427598 AU ± 4.57e-07
Orbital Period6.71192456 yr ± 1.83e-07
NGA Modelg(r)
A1-1.59975403e-09 ± 1.57e-10 AU/d²
A2-1.79469031e-09 ± 1.14e-12 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-05-30
RMS Residual0.842″
Uncertainty0
Orbit TypeMBA
MOID0.793125 AU
Observations Used904
Oppositions24
Arc Total1998-2026
First Observation Used1998-11-13
Last Observation Used2025-09-30
Observations (960)
Date Type RA Dec Mag Band Observatory
2025-11-18 22:28:54 B 10 09 51.677 +18 05 08.07 X N56
2025-11-18 22:39:09 B 10 09 52.437 +18 05 13.03 X N56
2025-11-19 01:44:09 B 10 10 07.53 +18 05 47.2 X A71
2025-11-19 01:57:53 B 10 10 08.73 +18 05 49.8 X A71
2025-12-26 18:43:27 C 11 09 08.215 +23 43 19.81 q Q14
2025-12-26 18:47:33 C 11 09 08.642 +23 43 26.36 q Q14
2026-01-11 12:09:31 C 11 21 45.951 +27 45 21.74 X F51
2026-01-11 12:26:15 C 11 21 46.279 +27 45 33.64 X F51
2026-01-11 12:42:59 C 11 21 46.608 +27 45 45.62 X F51
2026-01-11 12:59:53 C 11 21 46.932 +27 45 57.48 X F51