441P
441P/PANSTARRS
Not currently visible. Last report 344 days ago at mag 22.7. Typical backyard telescopes will not show it. HST, JWST, or an 8–10 m class telescope might recover it with a good ephemeris.
Right ascension
—
J2000
Declination
—
J2000
Estimated magnitude
22.7
Professional survey · COBS consensus
Confidence
33
Class E · priority 60
Observations
3
Arc unknown
Last observation
344d ago
Tue, 07 Oct 2025 19:04:00 GMT · COBS consensus
Perihelion
2025-09-08
3.330 au
Peak window
2025-08-08 → 2025-09-11
COBS peak mag 21.8 on 2025-08-11 · perihelion 2025-09-08. Window is those dates ±3 days — not a light-curve fit.
Historic peak
21.8
COBS / analyzed peak 2025-08-11
Catalog ingest
10h ago
Venator last wrote this row 2026-09-16 13:20:19 UTC
Light curve
Brightness over time (V mag)
Gold = reported observations. Steel dashed family = ensemble (nominal / outburst / fade / disruption).
Tail length
Converted to degrees from COBS (d / arcmin / arcsec). Empty until analysis has pulled the archive.
No tail measures stored yet for this object.
Ensemble is a first-pass H0/n photometric model plus observed samples — not a trained ML forecast yet. The background analyzer walks the catalog one object at a time so COBS is not flooded. Disruption track rises after perihelion to stand in for solar-wind stripping.
Orbital elements
q
3.330 au
e
0.1940
i
2.57°
Ω
144.00°
ω
179.00°
a
—
MOID
—
H
—
H0 / n
—
NEO score
—
PHA score
—
RMS
—
Elongation
—
Reporting sources
COBS comet list
okComet Observation Database magnitudes and perihelion data for the full COBS list (active and inactive).
Name history
441P/PANSTARRS
441P · 2026-09-14 18:28:01 UTC → current
Discoverers
Discoverer · parsed-name · 2026-09-14 18:28:01 UTC → current
Contributors
CCD Observer · PAP04 · 2 reports · last 344d ago
CCD Observer · MAI01 · 1 reports · last 428d ago
Pips are observation weight on this object (log of report count). Hover for catalog-wide weight.