C/2023 A3 (Tsuchinshan-ATLAS)
📋 A written introduction is coming — for now this page shows official values only.
NowLIVE
Distance from Earth
9.3615 AU
1,400,460,529 km
Light travel time
1h 17m
at light speed
Sun distance
☉ 8.848 AU
Est. magnitude (JPL M1·K1)
19.0
Large telescope / imaging
Computed 2026-11-03 22:44 UTC · planets astronomy-engine (VSOP87) · comets JPL elements (two-body) · NASA JPL Small-Body Database (sbdb.api) 2026-10-24 · Elements epoch 2024-05-18 · two-body approximation (no planetary perturbations)
Orbit
- Orbit class (JPL)
- HYP — Hyperbolic Comet
- Semi-major axis
- -4,100 AU
- Eccentricity
- 1
- Inclination
- 139°
- Perihelion distance
- 0.391 AU
- Perihelion passage
- JD 2460581.241
- Earth MOID
- 0.275 AU
Earth approach
- Potentially hazardous (PHA)
- No
- Near-Earth object (NEO)
- No
In everyday life
- At its closest it comes 0.4 AU from the Sun — 39.1% of the Earth–Sun distance.
- Eccentricity 1 — exactly 1 (parabolic), so it passes the Sun once and does not come back.