21P/Giacobini-Zinner live position and data

This page shows Comet 21P/Giacobini-Zinner location and other relevant astronomical data in real time. The celestial coordinates, magnitude, distances and speed are updated in real time and are computed using high quality data sets provided by the JPL Horizons ephemeris service (see acknowledgements for details). The sky map shown below represents a rectangular portion of the sky 60x40 arcminutes wide. By comparison the diameter of the full Moon is about 30 arcmins, so the full horizontal extent of the map is approximately 2 full Moons wide. Depending on the device you are using, the map can be dragged horizondally or vertically using the mouse or touchscreen. The deep sky image in the background is provided by the Digitized Sky Survey (acknowledgements).

Current close conjunctions

List of bright objects (stars brighter than magnitude 9.0 and galaxies brighter than magmitude 14.0) close to Comet 21P/Giacobini-Zinner (less than 1.5 degrees):

Type	Name	Magnitude	Ar	Dec
Star	HIP 68819	8.1438	14h 05m 22s	-07° 59’ 48”
Star	HIP 69203	8.8112	14h 10m 04s	-08° 22’ 18”
Star	HIP 68888	6.5246	14h 06m 17s	-08° 53’ 29”
Star	HIP 69556	8.085	14h 14m 16s	-07° 03’ 21”
Star	HIP 69466	7.065	14h 13m 18s	-08° 26’ 40”
Star	HIP 68806	7.5564	14h 05m 12s	-07° 16’ 35”
Star	HIP 69541	8.3582	14h 14m 09s	-08° 31’ 06”
Star	HIP 68967	7.7846	14h 07m 08s	-08° 26’ 21”
Star	HIP 69463	8.0806	14h 13m 17s	-08° 40’ 09”
Star	HIP 69133	8.7438	14h 09m 03s	-08° 00’ 14”
Star	HIP 69236	7.7866	14h 10m 28s	-06° 33’ 34”

Additional resources

Additional Resources about Comet 21P/Giacobini-Zinner

• 15 Days Ephemerides
• Interactive Sky Map (Planetarium)
• Rise & Set Times
• Distance from Earth
• Light Curve
• Orbital Elements

Astronomy databases

This online sky chart is created using the following astronomy databases and services:

1. The Digitized Sky Survey, a photographic survey of the whole sky created using images from different telescopes, including the Oschin Schmidt Telescope on Palomar Mountain
2. The Hipparcos Star Catalogue, containing more than 100.000 bright stars
3. The PGC 2003 Catalogue, containing information about 1 million galaxies
4. The GSC 2.3 Catalogue, containing information about more than 2 billion stars and galaxies

Please see the acknowledgements section.

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