216433 Milianleo

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216433 Milianleo

Animation of 216433 Milianleo from Tzec Maun Observatory
Discovery
Discovered by Erwin Schwab[1]
Discovery date February 19, 2009
Designations
MPC designation 2009 DM3
Alternative names 2000 GE16
Orbital characteristics
Aphelion 3.0996 AU (463.6936 Gm)
Perihelion 2.3838 AU (356.6114 Gm)
Semi-major axis 2.7419 AU (410.1824 Gm)
Eccentricity 0.1305
Orbital period 4.54 yr
Mean anomaly 339.81°
Inclination 3.3502°
Longitude of ascending node 12.131°
Argument of perihelion 200.76°
Proper orbital elements
Proper mean motion 0.2171 deg / yr
Proper orbital period 1658.22202 yr
(605665.592 d)
Physical characteristics
Dimensions 2.011 km (1.250 mi).[2][lower-alpha 1]
Absolute magnitude (H) 16.483[3]

    216433 Milianleo (provisional designation: 2009 DM3) is a Main Belt asteroid. It was discovered on February 19, 2009 by E. Schwab at Tzec Maun Observatory. It is named after Milian Leo Schwab, the first-born son of the discoverer.[3][1]

    Close Approaches

    Orbit of Milianleo. As of September 16, 2013, it is close to its perihelion

    On December 25, 2098, 216433 Milianleo is expected to pass 4,449,642 kilometers from the asteroid 704 Interamnia.[3] It will pass it at a relative velocity of 7.1177 kilometers per second.

    Notes

    1. ↑ Assuming an albedo of 0.1

    References

    1. ↑ 1.0 1.1 "(216433) Milianleo = 2009 DM3". Minor Planet Circular: 67220. 2009. 
    2. ↑ "Conversion of Absolute Magnitude to Diameter for Minor Planets". Sephen F. Austin State University. Dan Burton. Retrieved 26 November 2013. 
    3. ↑ 3.0 3.1 3.2 "216433 Milianleo (2009 DM3)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 216433. 

    Further reading

    • 216432 2009 CT37
    • 216433 Milianleo
    • 216434 2009 DZ46
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