(154932) Sviderskiene Outer Main-belt Asteroid
Discovered on 12 October 2004 by Cernis, K., Zdanavicius, J. at Moletai.
Lithuanian astronomer Zinaida Sviderskienė (b. 1945) worked in the field of stellar photometry and served as director of the Vilnius Planetarium during 1992–1997. Author of four books on popular astronomy and many popular science articles, she is also known as a space artist who paints astronomical subjects.Naming citation (WGSBN Bull. 6, #7, 5), IAU / Minor Planet Center, via NASA/JPL
Where Sviderskiene is today
Seen from above the solar system on 2026-10-14: Sviderskiene is 4.32 au from the Sun and 4.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 154932 |
| Provisional designation | 2004 TB21 |
| Orbit class | Outer Main-belt Asteroid |
| Absolute magnitude (H) | 15.11 |
| Orbital period | 7.92 years |
| Semi-major axis | 3.97 au |
| Perihelion – aphelion | 2.99 – 4.96 au |
| Eccentricity | 0.248 |
| Inclination | 1.62° |
| Closest distance between its orbit and Earth's (MOID) | 2.00 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 12 October 2004
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- (370796) Gasiunas
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