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Comet C/2014 A4 (SONEAR)

Available Resources

Comet C/2014 A4 (SONEAR) Sky Charts and Coordinates

This is a simplified sky chart, showing where Comet C/2014 A4 (SONEAR) 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/2014 A4 (SONEAR) in Andromeda on July, 26 2016
High Precision Live Sky Chart
23h 48m 15s
+42° 05’ 34”
16.81
 = 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/2014 A4 (SONEAR) Rise and Set Times

Comet C/2014 A4 (SONEAR) is circumpolar from Greenwich, United Kingdom [change] and transits at 03:31 UTC (altitude: 80.6°)

Comet C/2014 A4 (SONEAR) Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet C/2014 A4 (SONEAR) with respect of the Sun and the orbits of the major planets. The position of Comet C/2014 A4 (SONEAR) 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/2014 A4 (SONEAR)
View Comet C/2014 A4 (SONEAR) in the 3D Solar System Simulator

Comet C/2014 A4 (SONEAR) Ephemeris

The following table lists the ephemerides of Comet C/2014 A4 (SONEAR) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet C/2014 A4 (SONEAR) in our Online Planetarium at the chosen date.

Date MagnitudeMag Right AscensionR.A. DeclinationDec. Constellation
2016 Jul 19 16.82 23h 56m 21s +41° 07’ 38” Andromeda
2016 Jul 20 16.82 23h 55m 17s +41° 16’ 18” Andromeda
2016 Jul 21 16.82 23h 54m 10s +41° 24’ 51” Andromeda
2016 Jul 22 16.81 23h 53m 02s +41° 33’ 16” Andromeda
2016 Jul 23 16.81 23h 51m 52s +41° 41’ 34” Andromeda
2016 Jul 24 16.81 23h 50m 40s +41° 49’ 42” Andromeda
2016 Jul 25 16.81 23h 49m 28s +41° 57’ 42” Andromeda
2016 Jul 26 16.81 23h 48m 15s +42° 05’ 34” Andromeda
2016 Jul 27 16.81 23h 46m 59s +42° 13’ 15” Andromeda
2016 Jul 28 16.81 23h 45m 42s +42° 20’ 48” Andromeda
2016 Jul 29 16.81 23h 44m 23s +42° 28’ 11” Andromeda
2016 Jul 30 16.80 23h 43m 05s +42° 35’ 24” Andromeda
2016 Jul 31 16.80 23h 41m 44s +42° 42’ 25” Andromeda
2016 Aug 01 16.80 23h 40m 20s +42° 49’ 17” Andromeda

Distance of Comet C/2014 A4 (SONEAR) from Earth

The following chart shows the distance of Comet C/2014 A4 (SONEAR) 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/2014 A4 (SONEAR) is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Comet C/2014 A4 (SONEAR) from Earth between January 2013 and January 2030

Light Curve of Comet C/2014 A4 (SONEAR)

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet C/2014 A4 (SONEAR), 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/2014 A4 (SONEAR) between January 2013 and January 2030

Comet C/2014 A4 (SONEAR) Orbital Elements

The following table lists the orbital elements of Comet C/2014 A4 (SONEAR) at epoch 20 June 2015 00:00 UTC (JD: 2457194.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 1.00075568
Orbit inclination i 121.35758001°
Perihelion distance q 4.18019418 AU
625,348,150 km
Aphelion distance Q n.a.
Semi-major axis a n.a.
Orbital period period n.a.
Date of perihelion transit Tp 2015-Sep-05 20:50:45
2,457,271.3686 JD
Argument of perihelion peri 356.78914124°
Longitude of the ascending node node 29.7274065723°
Mean anomaly M -0.00018414689444°
Mean motion n 0.00000240°/day
Closest approach to Earth* 2015-Oct-19
Distance of closest approach* 3.20319518 AU
479,191,179 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.