(33128) 1998 BU₄₈

(33128) 1998 BU₄₈
Discovery
Discovered by	Nichole M. Danzl
Discovery site	Kitt Peak
Discovery date	22 January 1998
Designations
MPC designation	(33128) 1998 BU₄₈
Alternative designations	1998 BU₄₈
Minor planet category	TNO · centaur · distant
Orbital characteristics
Epoch 17 October 2024
Aphelion	46.081 AU
Perihelion	20.405 AU
Semi-major axis	33.243 AU
Eccentricity	0.3861
Orbital period (sidereal)	277.06 yr (70,004 d)
Mean anomaly	88.170°
Mean motion	0.000514°/d
Inclination	10°
Longitude of ascending node	132.72°
Time of perihelion	17 November 1977
Argument of perihelion	282.28°
Earth MOID	19.447 AU
Jupiter MOID	15.559 AU
T_Jupiter	4.676
Physical characteristics
Mean diameter	213 km
Synodic rotation period	12.6 h
Geometric albedo	0.052
Spectral type	RR
Absolute magnitude (H)	6.93

(33128) 1998 BU₄₈, also written 1998 BU48, is a trans-Neptunian object and centaur from the outer Solar System. It has an aphelion of 46.081 AU and perihelion of 20.405 AU. It was discovered in 22 January 1998 by Nichole M. Danzl at Kitt Peak. It measures 213 km in diameter.