Discovery | |
---|---|
Discovered by | E. W. Elst |
Discovery site | Caussols |
Discovery date | 20 February 1993 |
Designations | |
MPC designation | 7346 |
1993 DQ2 | |
Orbital characteristics | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 22214 days (60.82 yr) |
Aphelion | 3.1079721 AU (464.94601 Gm) |
Perihelion | 2.6434480 AU (395.45419 Gm) |
2.875710 AU (430.2001 Gm) | |
Eccentricity | 0.0807669 |
4.88 yr (1781.2 d) | |
7.1693996° | |
0° 12m 7.594s / day | |
Inclination | 3.181018° |
119.00631° | |
254.15002° | |
Earth MOID | 1.644 AU (245.9 Gm) |
Jupiter MOID | 2.31516 AU (346.343 Gm) |
Jupiter Tisserand parameter | 3.289 |
Physical characteristics | |
12.8 | |
7346 Boulanger (1993 DQ2) is a main-belt asteroid discovered on February 20, 1993 by E. W. Elst at Caussols. Its name is an homage to philosopher and scientist Nicolas Boulanger (1722–1759).