- time of discovery or invention
- 1991-09-04
- provisional designation
- 1991 RB
- absolute magnitude
- 19.1
- orbital eccentricity
- 0.485693171097681
- semi-major axis of an orbit
- 1.454417106331326
- periapsis
- 0.7480166498585509
- apoapsis
- 2.1608175628041
- orbital inclination
- 19.5744379015584
- longitude of ascending node
- 359.2840512687375
- argument of periapsis
- 68.97352114449919