2012 DF31
ephemeris date magn radius delta (AU) delta (LD) delta (km) ra dec elong phase
Brightest7 Mar 201918.91.010 AU0.029 AU11.32 LD4,354,033 km12h52m+54°28'126.7°51.9°
Approach9 Mar 201919.50.994 AU0.024 AU9.28 LD3,566,542 km18h10m+78°33'91.9°86.7°
Today26 Jun 201926.80.890 AU1.411 AU548.90 LD211,032,803 km03h31m+18°03'38.9°45.9°

Based on its absolute magnitude (Hₒ) of 24.6 and an albedo between 0.25 and 0.05, the estimated diameter of 2012 DF31 is 30 - 70 m.

2012 DF31- 2019-06-26
astro.vanbuitenen.nl


 
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The interactive orbit chart above shows the near-earth object's path through the solar system and its position at the given date. Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.

(Left-click and drag to rotate the view; right-click and drag to move the view; use scroll wheel to zoom in our out.)

The lightcurve chart below shows the estimated development of the NEO's magnitude during its approach to earth.


The following all-sky chart shows the path of of the NEO in the coming months.





The following chart shows the path of the NEO in the coming days or hours. The field of view is optimized for (~10x50) binoculars and finderscopes. A more printer-friendly version of the same chart can be found below.


    Terminology:
            
    delta:  distance between NEO and earth in AU or LD 
    radius: distance between NEO and sun in AU
    magn:   magnitude (brightness) estimate    
    ra:     right ascension in hours (24h = 360deg)
    dec:    declina