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Comet C/2015 V2 (Johnson)

Available Resources

Comet C/2015 V2 (Johnson) Sky Charts and Coordinates

This is a simplified sky chart, showing where Comet C/2015 V2 (Johnson) is now with respect to the brightest stars and constellations. More advanced sky charts are available on TheSkyLive for this object: 1) the Online Planetarium which is interactive and allows to select dates and additional objects to visualize; and 2) the Live Position and Data Tracker which provides the highest precision position data and features deep sky imagery from the Digitized Sky Survey.

Comet C/2015 V2 (Johnson) in Hercules on February, 20 2017
High Precision Live Sky Chart
16h 05m 26s
+45° 33’ 06”
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Comet C/2015 V2 (Johnson) Rise and Set Times

Comet C/2015 V2 (Johnson) is circumpolar from Greenwich, United Kingdom [change] and transits at 06:03 UTC (altitude: 84.1°)

Comet C/2015 V2 (Johnson) Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet C/2015 V2 (Johnson) with respect of the Sun and the orbits of the major planets. The position of Comet C/2015 V2 (Johnson) and the planets along their orbits in this diagram accurately represents the current configuration of the objects in the Solar System. This is an experimental feature and it requires a WebGL enabled browser. Please provide us feedback!

Orbit Diagram of Comet C/2015 V2 (Johnson)
View Comet C/2015 V2 (Johnson) in the 3D Solar System Simulator

Comet C/2015 V2 (Johnson) Ephemeris

The following table lists the ephemerides of Comet C/2015 V2 (Johnson) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet C/2015 V2 (Johnson) in our Online Planetarium at the chosen date.

Date MagnitudeMag Right AscensionR.A. DeclinationDec. Constellation
2017 Feb 13 10.13 15h 55m 05s +45° 09’ 48” Hercules
2017 Feb 14 10.10 15h 56m 39s +45° 12’ 59” Hercules
2017 Feb 15 10.07 15h 58m 10s +45° 16’ 12” Hercules
2017 Feb 16 10.04 15h 59m 40s +45° 19’ 28” Hercules
2017 Feb 17 10.01 16h 01m 09s +45° 22’ 49” Hercules
2017 Feb 18 9.98 16h 02m 36s +45° 26’ 12” Hercules
2017 Feb 19 9.94 16h 04m 02s +45° 29’ 38” Hercules
2017 Feb 20 9.91 16h 05m 26s +45° 33’ 06” Hercules
2017 Feb 21 9.88 16h 06m 50s +45° 36’ 38” Hercules
2017 Feb 22 9.85 16h 08m 11s +45° 40’ 13” Hercules
2017 Feb 23 9.82 16h 09m 29s +45° 43’ 49” Hercules
2017 Feb 24 9.79 16h 10m 46s +45° 47’ 26” Hercules
2017 Feb 25 9.76 16h 12m 02s +45° 51’ 06” Hercules
2017 Feb 26 9.73 16h 13m 15s +45° 54’ 48” Hercules

Distance of Comet C/2015 V2 (Johnson) from Earth

The following chart shows the distance of Comet C/2015 V2 (Johnson) from Earth as a function of time. Distance data is measured in Astronomical Units and sampled with a 2 days interval. The reported distances might be inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of C/2015 V2 (Johnson) is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Comet C/2015 V2 (Johnson) from Earth between January 2013 and January 2030

Light Curve of Comet C/2015 V2 (Johnson)

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet C/2015 V2 (Johnson), according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.

Predicted magnitude of Comet C/2015 V2 (Johnson) between January 2013 and January 2030

Comet C/2015 V2 (Johnson) Orbital Elements

The following table lists the orbital elements of Comet C/2015 V2 (Johnson) at epoch 09 March 2016 00:00 UTC (JD: 2457457.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 1.00147604
Orbit inclination i 49.87534975°
Perihelion distance q 1.63708017 AU
244,903,708 km
Aphelion distance Q n.a.
Semi-major axis a n.a.
Orbital period period n.a.
Date of perihelion transit Tp 2017-Jun-12 09:31:39
2,457,916.8970 JD
Argument of perihelion peri 164.90008460495°
Longitude of the ascending node node 69.855854687827°
Mean anomaly M -0.012258371101955°
Mean motion n 0.00002668°/day
Closest approach to Earth* 2017-Jun-05
Distance of closest approach* 0.81102449 AU
121,327,537 km

* NOTE: values for the closest approach are computed for the time interval between 2013-Jan-01 and 2030-Jan-01, with a sampling interval of 1 day.