(2744) Birgitta Mars-crossing Asteroid
Discovered on 4 September 1975 by C.-I. Lagerkvist at Kvistaberg.
Where Birgitta is today
Seen from above the solar system on 2026-10-14: Birgitta is 2.95 au from the Sun and 3.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2744 |
| Provisional designation | 1975 RB |
| Orbit class | Mars-crossing Asteroid |
| Rotation period | 8.99 hours |
| Spectral type | S |
| Absolute magnitude (H) | 14.76 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.53 – 3.07 au |
| Eccentricity | 0.333 |
| Inclination | 6.75° |
| Closest distance between its orbit and Earth's (MOID) | 0.538 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.