The Solar System at your Fingertips
Comets » 

Comet 48P/Johnson

Available Resources

Comet 48P/Johnson Sky Charts and Coordinates

This is a simplified sky chart, showing where Comet 48P/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 48P/Johnson in Aquarius on July, 23 2018
High Precision Live Sky Chart
22h 42m 05s
-19° 36’ 03”
13.26
 = 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 48P/Johnson Rise and Set Times

Today's Comet 48P/Johnson rise, transit and set times from Greenwich, United Kingdom [change]. All times are relative to the local timezone Europe/London.

Azimuth: 109.6°
Max altitude: 18.9°
Azimuth: 250.4°

Comet 48P/Johnson Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet 48P/Johnson with respect of the Sun and the orbits of the major planets. The position of Comet 48P/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 48P/Johnson
View Comet 48P/Johnson in the 3D Solar System Simulator

Comet 48P/Johnson Ephemeris

The following table lists the ephemerides of Comet 48P/Johnson computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet 48P/Johnson in our Online Planetarium at the chosen date.

Date MagnitudeMag Right AscensionR.A. DeclinationDec. Constellation
2018 Jul 16 13.36 22h 39m 19s -18° 24’ 05” Aquarius
2018 Jul 17 13.34 22h 39m 47s -18° 33’ 46” Aquarius
2018 Jul 18 13.33 22h 40m 14s -18° 43’ 38” Aquarius
2018 Jul 19 13.31 22h 40m 41s -18° 53’ 44” Aquarius
2018 Jul 20 13.30 22h 41m 03s -19° 04’ 02” Aquarius
2018 Jul 21 13.28 22h 41m 26s -19° 14’ 31” Aquarius
2018 Jul 22 13.27 22h 41m 47s -19° 25’ 13” Aquarius
2018 Jul 23 13.26 22h 42m 05s -19° 36’ 03” Aquarius
2018 Jul 24 13.24 22h 42m 21s -19° 47’ 04” Aquarius
2018 Jul 25 13.23 22h 42m 38s -19° 58’ 17” Aquarius
2018 Jul 26 13.22 22h 42m 51s -20° 09’ 38” Aquarius
2018 Jul 27 13.21 22h 43m 03s -20° 21’ 06” Aquarius
2018 Jul 28 13.19 22h 43m 13s -20° 32’ 44” Aquarius
2018 Jul 29 13.18 22h 43m 22s -20° 44’ 30” Aquarius

Distance of Comet 48P/Johnson from Earth

The following chart shows the distance of Comet 48P/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 48P/Johnson is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Comet 48P/Johnson from Earth between January 2013 and December 2075

Light Curve of Comet 48P/Johnson

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet 48P/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 48P/Johnson between January 2013 and December 2075

Comet 48P/Johnson Orbital Elements

The following table lists the orbital elements of Comet 48P/Johnson at epoch 28 February 2006 00:00 UTC (JD: 2453795.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.36668135
Orbit inclination i 13.65891221°
Perihelion distance q 2.30932885 AU
345,470,679 km
Aphelion distance Q 4.98345760 AU
745,514,648 km
Semi-major axis a 3.64639322 AU
545,492,663 km
Orbital period period 6.9600 years
2,543.2771 days
Date of perihelion transit Tp 2004-Oct-11 21:35:58
2,453,290.4000 JD
Next perihelion transit 2011-Sep-29 04:14
2,455,833.6771 JD
Argument of perihelion peri 207.66814778889°
Longitude of the ascending node node 117.31602084479°
Mean anomaly M 71.496734441998°
Mean motion n 0.14154966°/day
Closest approach to Earth* 2018-Aug-20
Distance of closest approach* 1.01420310 AU
151,722,625 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.