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Early warning for newly discovered comets and unconfirmed objects.

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319P/Catalina-McNaught MPC191623

319P/Catalina-McNaught MPC191623

CometClass Dcatalogued
Northern hemisphere

Visibility unknown. No recent magnitude. Large facilities may still recover it if an ephemeris exists.

MPC AllCometEls archive

JSONCSV

Right ascension

10h 37m 10s

J2000

Declination

+17° 39′ 02″

J2000

Estimated magnitude

—

Unknown

Confidence

41

Class D · priority 50

Observations

0

Arc unknown

Last observation

Not in feed

Feed does not publish an observer timestamp. Catalog ingested 10h ago.

Perihelion

2028-12-18

1.187 au

Peak window

2028-12-18

Using perihelion as a stand-in for peak. Dust comets often brighten a few days later.

Historic peak

—

No peak date yet

Catalog ingest

10h ago

Venator last wrote this row 2026-09-16 13:20:35 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

1.187 au

e

0.6667

i

15.10°

Ω

111.37°

ω

203.57°

a

3.562 au

MOID

—

H

15.0

H0 / n

15.0 / 4

NEO score

—

PHA score

—

RMS

—

Elongation

21°

Reporting sources

  • MPC AllCometEls

    ok

    Full MPC comet orbit catalog. Stored even when fainter than the UI default of mag 22.

Name history

  • 319P/Catalina-McNaught MPC191623

    319P/Catalina-McNaught MPC191623 · 2026-09-14 18:29:09 UTC → current

Discoverers

Contributors

  • No recent COBS visual or CCD reports linked yet.

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