P/2016 J3 (STEREO) Real Time Position & Data |
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Right Ascension: 19.613792
Declination: -7.514754 (J2000) Magnitude: 34.66 (Estimated: JPL) Constellation: Aquila
Sun Distance: 757099479 km [ km/s]
Earth Distance: 643642976 km [ km/s]
Perihelion: 28 Sep 2025 08:15 UTC [] |
Dec:
P/2016 J3 (STEREO) live position and data
This page shows Comet P/2016 J3 (STEREO = 2021 A3) 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 in the background 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 P/2016 J3 (STEREO = 2021 A3) (less than 1.5 degrees):
| Type | Name | Magnitude | Ar | Dec |
| Star | HIP 96368 | 8.2516 | 19h 35m 35s | -07° 18’ 58” |
| Star | HIP 96813 | 6.9292 | 19h 40m 45s | -07° 30’ 43” |
| Star | HIP 96269 | 8.5838 | 19h 34m 30s | -06° 47’ 11” |
| Star | HIP 96754 | 7.4766 | 19h 40m 05s | -07° 58’ 45” |
| Star | HIP 96147 | 8.6102 | 19h 32m 57s | -07° 59’ 48” |
| Star | HIP 96718 | 7.5932 | 19h 39m 40s | -06° 42’ 30” |
| Star | HIP 96560 | 8.1568 | 19h 37m 50s | -06° 08’ 37” |
| Star | HIP 96483 | 4.9708 | 19h 36m 53s | -07° 01’ 38” |
| Star | HIP 96356 | 6.2242 | 19h 35m 29s | -07° 27’ 36” |
Additional resources
- 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:
- 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
- The Hipparcos Star Catalogue, containing more than 100.000 bright stars
- The PGC 2003 Catalogue, containing information about 1 million galaxies
- The GSC 2.3 Catalogue, containing information about more than 2 billion stars and galaxies
Dec: ()