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Comet C/2014 A4 (SONEAR)

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C/2014 A4 (SONEAR) in Andromeda on April,28 2016
Sky map showing C/2014 A4 (SONEAR) in Andromeda on April, 28 2016
Click on image to view high precision map.

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 visualize an interactive sky map showing where Comet C/2014 A4 (SONEAR) will be located at the chosen date. Real time current position of Comet C/2014 A4 (SONEAR) is also available.

Date MagnitudeMag Right AscensionR.A. DeclinationDec. Constellation
2016 Apr 21 16.99 00h 20m 21s +26° 25’ 50” Andromeda
2016 Apr 22 16.99 00h 20m 34s +26° 34’ 47” Andromeda
2016 Apr 23 16.99 00h 20m 47s +26° 43’ 46” Andromeda
2016 Apr 24 16.99 00h 20m 58s +26° 52’ 49” Andromeda
2016 Apr 25 16.99 00h 21m 11s +27° 01’ 53” Andromeda
2016 Apr 26 17.00 00h 21m 23s +27° 10’ 59” Andromeda
2016 Apr 27 17.00 00h 21m 34s +27° 20’ 09” Andromeda
2016 Apr 28 17.00 00h 21m 46s +27° 29’ 21” Andromeda
2016 Apr 29 17.00 00h 21m 56s +27° 38’ 35” Andromeda
2016 Apr 30 17.00 00h 22m 06s +27° 47’ 53” Andromeda
2016 May 01 17.00 00h 22m 17s +27° 57’ 11” Andromeda
2016 May 02 17.00 00h 22m 27s +28° 06’ 33” Andromeda
2016 May 03 17.00 00h 22m 36s +28° 15’ 57” Andromeda
2016 May 04 17.00 00h 22m 45s +28° 25’ 24” 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 sampled with a 2 days interval, so please keep in mind that there might be inaccuracies around the time of closest approach for objects passing extremely close to Earth. Real time current distance of Comet C/2014 A4 (SONEAR) from Earth is also available.

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.

The magnitude data is sampled with a 2 days interval, so there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. Also, for comets there could be large discrepancies between the observed and predicted brightness because of the their highly dynamic and unpredictable behaviour. To get precise information about the current magnitude of Comet C/2014 A4 (SONEAR), updated in real time, please go to the Comet C/2014 A4 (SONEAR) live tracker page.

Predicted magnitude of Comet C/2014 A4 (SONEAR) between January 2013 and January 2030

Orbital Elements

The following table lists the orbital elements of Comet C/2014 A4 (SONEAR) at epoch 15 June 2015 00:00 UTC (JD: 2457189.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 1.00074988
Orbit inclination i 121.35749720°
Perihelion distance q 4.18019379 AU
625,348,092 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 20:51:45
2,457,271.3693 JD
Argument of perihelion peri 356.789255296°
Longitude of the ascending node node 29.727435559°
Mean anomaly M -0.000193874010166°
Mean motion n 0.00000237°/day
Closest approach to Earth* 2015-Oct-19
Distance of closest approach* 3.20319602 AU
479,191,305 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.