172P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2013-06-26 (JD 2456469.5)
Eccentricity (e)0.2237425646 ± 9.37e-08
Semi-major axis (a)4.1761541016 AU ± 1.36e-07
Inclination (i)11.32161791° ± 1.10e-05
Long. of Asc. Node (Ω)33.60116790° ± 2.68e-05
Arg. of Perihelion (ω)208.78964944° ± 3.05e-05
Mean Anomaly (M)203.70621192° ± 2.97e-05
Mean Motion (n)0.1154886488°/day ± 5.63e-09
Perihelion dist (q)3.24177067 AU ± 4.05e-07
Aphelion dist (Q)5.11053753 AU ± 4.25e-07
Orbital Period8.53439965 yr ± 4.16e-07
Orbit Solution
SourceJPL
Solution Date2026-07-06 12:12:40
RMS Residual0.436″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID2.235990 AU
Observations Used798
Oppositions
Arc Total1993-2026
First Observation Used
Last Observation Used2026-07-04
Observations (805)
Date Type RA Dec Mag Band Observatory
2026-07-04 23:41:26 C 18 51 33.910 -37 47 48.41 V M22
2026-07-08 23:01:52 C 18 48 23.088 -37 52 39.79 V M22
2026-07-08 23:06:33 C 18 48 22.922 -37 52 39.54 V M22
2026-07-08 23:14:36 C 18 48 22.620 -37 52 40.01 V M22
2026-07-09 00:06:10 C 18 48 20.815 -37 52 42.67 V M22