Comet C/2017 E4 (Lovejoy)
Comet C/2017 E4 (Lovejoy) Sky Charts and Coordinates
This is a simplified sky chart, showing where Comet C/2017 E4 (Lovejoy) 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/2017 E4 (Lovejoy) Rise and Set Times
Today's Comet C/2017 E4 (Lovejoy) rise, transit and set times from Greenwich, United Kingdom [change]. All times are relative to the local timezone Europe/London.
Comet C/2017 E4 (Lovejoy) Orbit Diagram
This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet C/2017 E4 (Lovejoy) with respect of the Sun and the orbits of the major planets. The position of Comet C/2017 E4 (Lovejoy) 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!
Comet C/2017 E4 (Lovejoy) Ephemeris
The following table lists the ephemerides of Comet C/2017 E4 (Lovejoy) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet C/2017 E4 (Lovejoy) in our Online Planetarium at the chosen date.
|2017 Sep 14||29.90||05h 04m 49s||-18° 56’ 12”||Lepus|
|2017 Sep 15||29.97||05h 04m 23s||-19° 22’ 15”||Lepus|
|2017 Sep 16||30.04||05h 03m 56s||-19° 48’ 16”||Lepus|
|2017 Sep 17||30.11||05h 03m 29s||-20° 14’ 17”||Lepus|
|2017 Sep 18||30.18||05h 02m 57s||-20° 40’ 14”||Lepus|
|2017 Sep 19||30.24||05h 02m 26s||-21° 06’ 07”||Lepus|
|2017 Sep 20||30.31||05h 01m 50s||-21° 31’ 59”||Lepus|
|2017 Sep 21||30.38||05h 01m 14s||-21° 57’ 44”||Lepus|
|2017 Sep 22||30.44||05h 00m 37s||-22° 23’ 26”||Lepus|
|2017 Sep 23||30.51||04h 59m 57s||-22° 49’ 01”||Lepus|
|2017 Sep 24||30.57||04h 59m 14s||-23° 14’ 30”||Lepus|
|2017 Sep 25||30.64||04h 58m 31s||-23° 39’ 52”||Lepus|
|2017 Sep 26||30.70||04h 57m 45s||-24° 05’ 08”||Lepus|
|2017 Sep 27||30.77||04h 56m 57s||-24° 30’ 14”||Lepus|
Distance of Comet C/2017 E4 (Lovejoy) from Earth
The following chart shows the distance of Comet C/2017 E4 (Lovejoy) 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.
Light Curve of Comet C/2017 E4 (Lovejoy)
The following chart is the predicted light curve (visual magnitude as a function of time) of Comet C/2017 E4 (Lovejoy), 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.
Comet C/2017 E4 (Lovejoy) Orbital Elements
The following table lists the orbital elements of Comet C/2017 E4 (Lovejoy) at epoch 30 March 2017 00:00 UTC (JD: 2457843.5). Source: JPL Small-Body Database
|Perihelion distance||q||0.49357325 AU
|Date of perihelion transit||Tp||2017-Apr-23 07:32:50
|Next perihelion transit||12457-Jun-29 09:18
|Argument of perihelion||peri||87.243851188204°|
|Longitude of the ascending node||node||223.17182838589°|
|Closest approach to Earth*||2017-Mar-31|
|Distance of closest approach*||0.60600429 AU
* 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.