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Asteroid 3 Juno

Available Resources

Asteroid 3 Juno Sky Charts and Coordinates

This is a simplified sky chart, showing where Asteroid 3 Juno 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.

Asteroid 3 Juno in Aquila on May, 28 2017
High Precision Live Sky Chart
19h 05m 49s
-05° 23’ 11”
10.25
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Asteroid 3 Juno Rise and Set Times

Today's Asteroid 3 Juno rise, transit and set times from Greenwich, United Kingdom [change]. All times are relative to the local timezone Europe/London.

Azimuth: 95.4°
Max altitude: 33.1°
Azimuth: 264.6°

Asteroid 3 Juno Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 3 Juno with respect of the Sun and the orbits of the major planets. The position of Asteroid 3 Juno 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!

Asteroid 3 Juno Ephemeris

The following table lists the ephemerides of Asteroid 3 Juno computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 3 Juno in our Online Planetarium at the chosen date.

Date MagnitudeMag Right AscensionR.A. DeclinationDec. Constellation
2017 May 21 10.37 19h 08m 17s -05° 44’ 39” Aquila
2017 May 22 10.36 19h 07m 59s -05° 41’ 20” Aquila
2017 May 23 10.34 19h 07m 41s -05° 38’ 04” Aquila
2017 May 24 10.32 19h 07m 20s -05° 34’ 55” Aquila
2017 May 25 10.31 19h 07m 00s -05° 31’ 50” Aquila
2017 May 26 10.29 19h 06m 38s -05° 28’ 51” Aquila
2017 May 27 10.27 19h 06m 14s -05° 25’ 59” Aquila
2017 May 28 10.25 19h 05m 49s -05° 23’ 11” Aquila
2017 May 29 10.24 19h 05m 22s -05° 20’ 29” Aquila
2017 May 30 10.22 19h 04m 55s -05° 17’ 53” Aquila
2017 May 31 10.20 19h 04m 27s -05° 15’ 23” Aquila
2017 Jun 01 10.18 19h 03m 57s -05° 12’ 59” Aquila
2017 Jun 02 10.17 19h 03m 27s -05° 10’ 41” Aquila
2017 Jun 03 10.15 19h 02m 54s -05° 08’ 30” Aquila

Distance of Asteroid 3 Juno from Earth

The following chart shows the distance of Asteroid 3 Juno 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 3 Juno is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Asteroid 3 Juno from Earth between January 2013 and January 2030

Light Curve of Asteroid 3 Juno

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 3 Juno, 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 Asteroid 3 Juno between January 2013 and January 2030

Asteroid 3 Juno Physical Data

The following shows the known values of the most important physical parameters of Asteroid 3 Juno. Source: JPL Small-Body Database

Physical Parameter Value Relative to Earth
Diameter 233.92 km 0.0184
Sideral Rotation 7.2100 hours 0.3012
Absolute Magnitude 5.33
Geometric Albedo 0.2383

Asteroid 3 Juno Orbital Elements

The following table lists the orbital elements of Asteroid 3 Juno at epoch 30 July 2016 00:00 UTC (JD: 2457600.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.25660133
Orbit inclination i 12.99010228°
Perihelion distance q 1.98400525 AU
296,802,962 km
Aphelion distance Q 3.35365628 AU
501,699,840 km
Semi-major axis a 2.66883077 AU
399,251,401 km
Orbital period period 4.3600 years
1,592.5020 days
Date of perihelion transit Tp 2014-Jul-15 14:00:21
2,456,854.0836 JD
Next perihelion transit 2018-Nov-24 02:03
2,458,446.5856 JD
Argument of perihelion peri 248.23679656353°
Longitude of the ascending node node 169.86299715297°
Mean anomaly M 168.73442883034°
Mean motion n 0.22605937°/day
Closest approach to Earth* 2018-Nov-16
Distance of closest approach* 1.03592987 AU
154,972,902 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.