(18202) Nichols-Fleming Main-belt Asteroid

Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Fiona Nichols-Fleming (b. 1997) is an American planetary geophysicist. She focuses on statistical and analog modeling of geophysical systems, the interaction between surfaces and interior processes, and analysis of spacecraft datasets for small bodies. Fiona is a Participating Scientist on NASA’s Lucy mission to the Jupiter Trojan asteroids.Naming citation (WGSBN Bull. 6, #10, 8), IAU / Minor Planet Center, via NASA/JPL

Where Nichols-Fleming is today

MercuryVenusEarthEarthMarsMarsNichols-FlemingNichols-Fleming

Seen from above the solar system on 2026-10-14: Nichols-Fleming is 3.64 au from the Sun and 4.64 au from Earth. Computed from JPL's orbital elements.

Facts

Number18202
Provisional designation2757 P-L
Orbit classMain-belt Asteroid
Diameter7.46 km (#7,133 largest of 17,440 named asteroids with a measured size)
Albedo0.0500
Absolute magnitude (H)14.35
Orbital period5.61 years
Semi-major axis3.16 au
Perihelion – aphelion2.42 – 3.90 au
Eccentricity0.234
Inclination1.41°
Closest distance between its orbit and Earth's (MOID)1.41 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also named after someone called Fiona

Also discovered on 24 September 1960

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.