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C/1952 M1

C/1952 M1 (Peltier)

CometClass Ecatalogued
Unknown

Not currently visible. Last report 27097 days ago at mag 40.4. Historic peak was mag 11.6. Typical backyard telescopes will not show it. HST, JWST, or an 8–10 m class telescope might recover it with a good ephemeris.

Active comet in COBS

Right ascension

—

J2000

Declination

—

J2000

Estimated magnitude

40.4

Professional survey · COBS consensus

Confidence

33

Class E · priority 60

Observations

41

Arc unknown

Last observation

27097d ago

Fri, 29 Aug 1952 22:33:36 GMT · COBS consensus

Perihelion

1952-06-16

1.270 au

Peak window

1952-06-05 → 1952-06-19

COBS peak mag 11.6 on 1952-06-08 · perihelion 1952-06-16. Window is those dates ±3 days — not a light-curve fit.

Historic peak

11.6

COBS / analyzed peak 1952-06-08

Catalog ingest

14h ago

Venator last wrote this row 2026-11-06 14:20:21 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

1.270 au

e

0.9990

i

45.50°

Ω

188.00°

ω

97.20°

a

—

MOID

—

H

—

H0 / n

—

NEO score

—

PHA score

—

RMS

—

Elongation

—

Reporting sources

  • COBS comet list

    ok

    Comet Observation Database magnitudes and perihelion data for the full COBS list (active and inactive).

Name history

  • C/1952 M1 (Peltier)

    Informal: Peltier

    C/1952 M1 · 2026-09-14 18:27:57 UTC → current

Discoverers

  • Peltier

    Discoverer · parsed-name · 2026-09-14 18:27:57 UTC → current

Contributors

  • Max Beyer

    Visual Observer · BEY · 23 reports · last 27097d ago

  • G. E. Stone

    Visual Observer · STO01 · 3 reports · last 27127d ago

  • J. Friends

    Visual Observer · FRI · 3 reports · last 27131d ago

  • A. M. Bakcharev

    Visual Observer · BAK02 · 2 reports · last 27164d ago

  • D. J. Fulcher

    Visual Observer · FUL01 · 2 reports · last 27131d ago

  • N. V. Steshenko

    Visual Observer · STE13 · 2 reports · last 27153d ago

  • T. A. Kochlashvili

    Visual Observer · KOC04 · 2 reports · last 27163d ago

  • A. A. Havlovska

    Visual Observer · HAV01 · 1 reports · last 27158d ago

  • E. A. Gurtovenko

    Visual Observer · GUR01 · 1 reports · last 27103d ago

  • G. Merton

    Visual Observer · MER02 · 1 reports · last 27165d ago

  • M. M. Onoprienko

    Visual Observer · ONO01 · 1 reports · last 27155d ago

  • M. V. Bratiichuk

    Visual Observer · BRA04 · 1 reports · last 27097d ago

  • W. H. Steavenson

    Visual Observer · STE06 · 1 reports · last 27097d ago

  • Y. K. Gulak

    Visual Observer · GUL02 · 1 reports · last 27097d ago

  • Ye. M. Zemanek

    Visual Observer · ZEM · 1 reports · last 27097d ago

Pips are observation weight on this object (log of report count). Hover for catalog-wide weight.