216433 Milianleo
 Animation of 216433 Milianleo from Tzec Maun Observatory | |
| Discovery [1] | |
|---|---|
| Discovered by | E. Schwab[2] |
| Discovery site | Tzec Maun Observatory |
| Discovery date | 19 February 2009 |
| Designations | |
| 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][a] |
| 16.7 | |
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
- ^ a b c d "JPL Small-Body Database Browser: 216433 Milianleo (2009 DM3)" (2015-09-12 last obs.). Jet Propulsion Laboratory. Retrieved 25 March 2016.
- ^ a b "(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. Archived from the original on 23 July 2011. Retrieved 26 November 2013.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ "Kleinplaneten Entdecker Erwin Schwab—Minor planet discoveries at the Tzec Maun Observatories". Erwin Schwab. Retrieved 23 August 2016.
Further reading
- Schwab, E. "Asteroid Milianleo". ErwinSchwab.de (in German).