216433 Milianleo
Animation of 216433 Milianleo from Tzec Maun Observatory | |
Discovery [1] | |
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Discovered by | E. Schwab[2] |
Discovery site | Tzec Maun Observatory |
Discovery date | 19 February 2009 |
Designations | |
MPC designation | 216433 Milianleo |
Named after | Milian Leo Schwab (discoverer's son) |
2009 DM3 · 2000 GE16 | |
main-belt | |
Orbital characteristics [1] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 5726 days (15.68 yr) |
Aphelion | 3.1021 AU (464.07 Gm) |
Perihelion | 2.3831 AU (356.51 Gm) |
2.7426 AU (410.29 Gm) | |
Eccentricity | 0.13107 |
4.54 yr (1659.0 d) | |
153.33° | |
0.21700°/day | |
Inclination | 3.3502° |
12.119° | |
200.83° | |
Earth MOID | 1.37701 AU (205.998 Gm) |
Jupiter MOID | 1.86711 AU (279.316 Gm) |
Physical characteristics | |
Dimensions | 2.0 km (1.2 mi).[3][lower-alpha 1] |
16.7 | |
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216433 Milianleo, provisional designation 2009 DM3, is a main-belt asteroid, discovered on February 19, 2009 by German amateur astronomer Erwin Schwab using the remote-controlled telescopes at Tzec Maun Observatory located in the U.S. state of New Mexico and in South Australia. The asteroid is estimated to measure about 2 kilometers in diameter. It is named after Milian Leo Schwab, the first-born son of the discoverer.[1][2][4]
Close Approaches
On December 25, 2098, 216433 Milianleo is expected to pass 4,449,642 kilometers from the asteroid 704 Interamnia.[1] It will pass it at a relative velocity of 7.12 kilometers per second.
See also
- Cloudcroft Observatory, owned by the Tzec Maun Foundation
Notes
- ↑ Assuming an albedo of 0.1
References
- 1 2 3 4 "JPL Small-Body Database Browser: 216433 Milianleo (2009 DM3)" (2015-09-12 last obs.). Jet Propulsion Laboratory. Retrieved 25 March 2016.
- 1 2 "(216433) Milianleo = 2009 DM3" (PDF). Minor Planet Circular: 67220. 2009.
- ↑ "Conversion of Absolute Magnitude to Diameter for Minor Planets". Sephen F. Austin State University. Dan Burton. Retrieved 26 November 2013.
- ↑ "Kleinplaneten Entdecker Erwin Schwab—Minor planet discoveries at the Tzec Maun Observatories". Erwin Schwab. Retrieved October 2015.
Further reading
- Schwab, E. "Asteroid Milianleo". ErwinSchwab.de (in German).
External links
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