C/1943 W1
C/1943 W1 (van Gent-Peltier-Daimaca)
Not currently visible. Last report 30206 days ago at mag 39.4. Historic peak was mag 6.2. 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
39.4
Professional survey · COBS consensus
Confidence
33
Class E · priority 60
Observations
4
Arc unknown
Last observation
30206d ago
Wed, 05 Jan 1944 16:48:00 GMT · COBS consensus
Perihelion
1944-01-12
0.874 au
Peak window
1943-12-08 → 1944-01-15
COBS peak mag 6.2 on 1943-12-11 · perihelion 1944-01-12. Window is those dates ±3 days — not a light-curve fit.
Historic peak
6.2
COBS / analyzed peak 1943-12-11
Catalog ingest
16h ago
Venator last wrote this row 2026-09-16 13:20:18 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
0.874 au
e
1.0000
i
136.00°
Ω
58.60°
ω
33.10°
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
C/1943 W1 (van Gent-Peltier-Daimaca)
Informal: van Gent-Peltier-Daimaca
C/1943 W1 · 2026-09-14 18:27:57 UTC → current
Discoverers
Discoverer · parsed-name · 2026-09-14 18:27:57 UTC → current
Contributors
Visual Observer · BEY · 4 reports · last 30206d ago
Pips are observation weight on this object (log of report count). Hover for catalog-wide weight.