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Early warning for newly discovered comets and unconfirmed objects.

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11P/Tempel-Swift-LINEAR MPEC 2026-S19

11P/Tempel-Swift-LINEAR MPEC 2026-S19

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

01h 33m 08s

J2000

Declination

+38° 46′ 40″

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 51d ago.

Perihelion

2026-11-09

1.387 au

Peak window

2026-11-09

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

Historic peak

—

No peak date yet

Catalog ingest

51d ago

Venator last wrote this row 2026-09-17 13:20:50 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

1.387 au

e

0.5773

i

14.43°

Ω

238.85°

ω

168.07°

a

3.282 au

MOID

—

H

16.7

H0 / n

16.7 / 4

NEO score

—

PHA score

—

RMS

—

Elongation

132°

Reporting sources

  • MPC AllCometEls

    ok

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

Name history

  • 11P/Tempel-Swift-LINEAR MPEC 2026-S19

    11P/Tempel-Swift-LINEAR MPEC 2026-S19 · 2026-09-17 13:20:50 UTC → current

Discoverers

  • LINEAR MPEC 2026

    Discoverer · parsed-name · 2026-09-17 13:20:50 UTC → current

  • S19

    Discoverer · parsed-name · 2026-09-17 13:20:50 UTC → current

  • Swift

    Discoverer · parsed-name · 2026-09-17 13:20:50 UTC → current

  • Tempel

    Discoverer · parsed-name · 2026-09-17 13:20:50 UTC → current

  • Tempel-Swift-LINEAR MPEC 2026-S19

    Discoverer · parsed-name · 2026-09-17 13:20:50 UTC → current

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.