435P
435P/PANSTARRS
Not currently visible. Last report 1756 days ago at mag 20.8. 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
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J2000
Estimated magnitude
20.8
Professional survey · COBS consensus
Confidence
33
Class E · priority 60
Observations
2
Arc unknown
Last observation
1756d ago
Thu, 25 Nov 2021 19:12:00 GMT · COBS consensus
Perihelion
2026-10-26
2.060 au
Peak window
2026-08-11 → 2026-10-29
COBS peak mag 20.6 on 2026-08-14 · perihelion 2026-10-26. Window is those dates ±3 days — not a light-curve fit.
Historic peak
20.6
COBS / analyzed peak 2026-08-14
Catalog ingest
7m ago
Venator last wrote this row 2026-09-16 23:00:07 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
2.060 au
e
0.3170
i
18.90°
Ω
98.50°
ω
244.00°
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
435P/PANSTARRS
435P · 2026-09-14 18:28:01 UTC → current
Discoverers
Discoverer · parsed-name · 2026-09-14 18:28:01 UTC → current
Contributors
CCD Observer · PAP04 · 1 reports · last 1756d ago
CCD Observer · CAR06 · 1 reports · last 1785d ago
Pips are observation weight on this object (log of report count). Hover for catalog-wide weight.