(121537) Lorenzdavid Main-belt Asteroid
Discovered on 30 October 1999 by CSS at Catalina.
David Lorenz (b. 1958) is the Touch and Go Campaign lead for the Osiris-REx mission. David was responsible for returning Landsat-4 to full operations following an on-orbit failure. He has worked on the Solar Max Repair Mission, the UARS mission and various GOES spacecraft.Naming citation (MPC batch dated 2016-08-18), IAU / Minor Planet Center, via NASA/JPL
Where Lorenzdavid is today
Seen from above the solar system on 2026-10-14: Lorenzdavid is 3.09 au from the Sun and 2.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121537 |
| Provisional designation | 1999 UG48 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.60 km (#7,013 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0530 |
| Absolute magnitude (H) | 14.85 |
| Orbital period | 5.62 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.42 – 3.91 au |
| Eccentricity | 0.235 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.44 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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