(4821) Bianucci Main-belt Asteroid
Discovered on 5 March 1986 by W. Ferreri at La Silla.
Where Bianucci is today
Seen from above the solar system on 2026-10-14: Bianucci is 3.53 au from the Sun and 3.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4821 |
| Provisional designation | 1986 EE5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.5 km (#3,249 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0840 |
| Rotation period | 29.6 hours |
| Absolute magnitude (H) | 12.85 |
| Orbital period | 5.59 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.68 – 3.62 au |
| Eccentricity | 0.149 |
| Inclination | 1.19° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 5 March 1986
- (3987) Wujek
- (4087) Part
- (4448) Phildavis
- (5393) Goldstein
- (6373) Stern
- (7515) Marrucino
- (11022) Serio
- (13497) Ronstone
More named asteroids discovered by W. Ferreri
- (3625) Fracastoro
- (3778) Regge
- (4061) Martelli
- (4398) Chiara
- (5003) Silvanominuto
- (5022) Roccapalumba
- (6114) Dalla-Degregori
- (7396) Rosa-Brusin
- (10738) Marcoaldo
- (19968) Palazzolascaris
- (21007) Lo Campo
- (52267) Rotarytorino
← (4820) Fay · (4822) Karge →