(31490) Swapnavdeka Main-belt Asteroid
Discovered on 10 February 1999 by LINEAR at Socorro.
Swapnav Deka (b. 1997) was awarded second place in the 2014 Intel International Science and Engineering Fair for his microbiology project. He attends the Plano East Senior High School, Plano, Texas, U.S.A.Naming citation (MPC batch dated 2015-07-02), IAU / Minor Planet Center, via NASA/JPL
Where Swapnavdeka is today
Seen from above the solar system on 2026-10-14: Swapnavdeka is 2.12 au from the Sun and 2.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31490 |
| Provisional designation | 1999 CB55 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.77 |
| Orbital period | 3.85 years |
| Semi-major axis | 2.46 au |
| Perihelion – aphelion | 2.12 – 2.80 au |
| Eccentricity | 0.138 |
| Inclination | 5.55° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 February 1999
- (10939) Maheshwari
- (10942) Natashamaniar
- (11197) Beranek
- (11407) Madsubramanian
- (15083) Tianhuili
- (15088) Licitra
- (15492) Nyberg
- (16012) Jamierubin
- (16013) Schmidgall
- (16014) Sinha
- (16015) Snell
- (16016) Boylan