(20042) Mortillaro Main-belt Asteroid
Discovered on 15 February 1993 by Kushida, Y., Muramatsu, O. at Yatsugatake.
Nicole Mortillaro (b. 1972) is a Canadian science journalist and amateur astronomer. She received a journalism degree from Ryerson University in 1996, and has since worked for Global News television network and the Canadian Broadcasting Corporation. She became editor of the Journal of the RASC in 2015 and shared the Kavli Science Journalism Award in 2021.Naming citation (WGSBN Bull. 3, #15, 10), IAU / Minor Planet Center, via NASA/JPL
Where Mortillaro is today
Seen from above the solar system on 2026-10-14: Mortillaro is 2.28 au from the Sun and 3.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20042 |
| Provisional designation | 1993 CK1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.39 km (#5,485 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0470 |
| Absolute magnitude (H) | 14.1 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.27 – 2.90 au |
| Eccentricity | 0.121 |
| Inclination | 8.53° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Nicole
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- (11373) Carbonaro
- (12576) Oresme
- (13729) Nicolewen
- (14567) Nicovincenti
- (16167) Oertli
- (17048) Nicolesegaran
- (19543) Burgoyne
- (21415) Nicobrenner
- (26227) Tan
- (28038) Nicoleodzer
- (28724) Stott
All asteroids named after someone called Nicole