astronomia.org
Comets

Comets

Comet search

Find a comet and generate ephemerides with this search engine.

You can search by designation or by name. Names are not case-sensitive. Examples: “17P”, “Arend”, “C/2001 O2”.

Comet search:

Comets today

List of comets with moderate to good observing conditions for March 11 (data for 0h UT):

NameR.A.Decl.ΔrElonm1
81P/Wild14:07.54-06° 55.4'0.73↓1.61↑138°↑9.4↓
C/2009 O2 (Catalina)21:49.22+33° 59.1'1.00↓0.75↓44°↑9.7↓
C/2009 K5 (McNaught)19:07.63+02° 16.7'1.75↓1.59↓64°↑10.7↓
C/2007 Q3 (Siding Spring)15:20.65+54° 14.5'2.33↑2.84↑111°↓10.9↑
157P/Tritton03:51.51+22° 22.2'1.34↑1.38↑70°↓12.0↑

Column meaning:

  • R.A. and Decl.: Right ascension and declination (ICRS).
  • Δ: Earth-comet distance, in Astronomical Units of distance (AU).
  • r: Comet-Sun distance, in AU.
  • Elon: elongation, the comet-Earth angle, as seen from the Sun (in degrees).
  • m1: Total magnitude.

Arrows show short-term trends.