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Comet 185P/Petriew

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Comet 185P/Petriew Sky Charts and Coordinates

This is a simplified sky chart, showing where Comet 185P/Petriew 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 185P/Petriew in Orion on April, 19 2018
High Precision Live Sky Chart
05h 34m 08s
+11° 48’ 53”
16.56
 = 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 185P/Petriew Rise and Set Times

Today's Comet 185P/Petriew rise, transit and set times from Greenwich, United Kingdom [change]. All times are relative to the local timezone Europe/London.

Azimuth: 78.2°
Max altitude: 50.3°
Azimuth: 281.8°

Comet 185P/Petriew Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet 185P/Petriew with respect of the Sun and the orbits of the major planets. The position of Comet 185P/Petriew 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 185P/Petriew
View Comet 185P/Petriew in the 3D Solar System Simulator

Comet 185P/Petriew Ephemeris

The following table lists the ephemerides of Comet 185P/Petriew computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet 185P/Petriew in our Online Planetarium at the chosen date.

Date MagnitudeMag Right AscensionR.A. DeclinationDec. Constellation
2018 Apr 12 16.22 05h 08m 26s +11° 25’ 32” Orion
2018 Apr 13 16.27 05h 12m 11s +11° 29’ 38” Orion
2018 Apr 14 16.32 05h 15m 56s +11° 33’ 28” Orion
2018 Apr 15 16.37 05h 19m 37s +11° 37’ 01” Orion
2018 Apr 16 16.41 05h 23m 18s +11° 40’ 22” Orion
2018 Apr 17 16.46 05h 26m 57s +11° 43’ 27” Orion
2018 Apr 18 16.51 05h 30m 33s +11° 46’ 18” Orion
2018 Apr 19 16.56 05h 34m 08s +11° 48’ 53” Orion
2018 Apr 20 16.60 05h 37m 41s +11° 51’ 16” Orion
2018 Apr 21 16.65 05h 41m 12s +11° 53’ 25” Orion
2018 Apr 22 16.70 05h 44m 42s +11° 55’ 19” Orion
2018 Apr 23 16.75 05h 48m 09s +11° 57’ 02” Orion
2018 Apr 24 16.79 05h 51m 34s +11° 58’ 29” Orion
2018 Apr 25 16.84 05h 54m 59s +11° 59’ 45” Orion

Distance of Comet 185P/Petriew from Earth

The following chart shows the distance of Comet 185P/Petriew 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 185P/Petriew is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Comet 185P/Petriew from Earth between January 2013 and December 2075

Light Curve of Comet 185P/Petriew

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet 185P/Petriew, 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 185P/Petriew between January 2013 and December 2075

Comet 185P/Petriew Orbital Elements

The following table lists the orbital elements of Comet 185P/Petriew at epoch 25 September 2012 00:00 UTC (JD: 2456196.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.69946456
Orbit inclination i 14.00756391°
Perihelion distance q 0.93185156 AU
139,403,009 km
Aphelion distance Q 5.26942409 AU
788,294,626 km
Semi-major axis a 3.10063783 AU
463,848,818 km
Orbital period period 5.4600 years
1,994.2288 days
Date of perihelion transit Tp 2012-Aug-13 13:52:47
2,456,153.0783 JD
Next perihelion transit 2018-Jan-28 19:22
2,458,147.3072 JD
Argument of perihelion peri 181.94294872554°
Longitude of the ascending node node 214.09071909648°
Mean anomaly M 7.8385193341644°
Mean motion n 0.18052091°/day
Closest approach to Earth* 2056-Nov-07
Distance of closest approach* 0.28176199 AU
42,150,993 km

* NOTE: values for the closest approach are computed for the time interval between 2013-Jan-01 and 2075-Dec-31, with a sampling interval of 1 day.