(2744) Birgitta
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Asteroid (2744) Birgitta |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2.3011 ± 0.00004 AU |
| eccentricity | 0.3326 ± 0.0007 |
| Perihelion - aphelion | 1.5357 ± 0.0015 AU - 3.0665 ± 0.0001 AU |
| Inclination of the orbit plane | 6.744 ± 0.0388 ° |
| Length of the ascending node | 315.5498 ± 0.3678 ° |
| Argument of the periapsis | 44.0609 ± 0.3705 ° |
| Time of passage of the perihelion | 26th August 2017 |
| Sidereal period | 3.49 a ± 0.0358 d |
| Physical Properties | |
| Rotation period | 8.994 h |
| Absolute brightness | 14.78 mag |
| Spectral class |
Tholen: S SMASSII: S |
| history | |
| Explorer |
 Claes-Ingvar Lagerkvist
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| Date of discovery | 4th September 1975 |
| Another name | 1975 RB ; 1933 QY |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(2744) Birgitta ( 1975 RB ; 1933 QY ) is an asteroid of the inner main belt that was discovered on September 4, 1975 by the Swedish astronomer Claes-Ingvar Lagerkvist at the observatory Kvistaberg in the municipality of Upplands-Bro in the province of Stockholm County in Sweden ( IAU- Code 049) was discovered.
designation
(2744) Birgitta was named after Anna Birgitta Angelica Lagerkvist , the daughter of the explorer Claes-Ingvar Lagerkvist.
See also
Web links
- (2744) Birgitta in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2744) Birgitta in the Small-Body Database of the Jet Propulsion Laboratory (English).
Individual evidence
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Fifth Revised and Enlarged Edition. Ed .: Lutz D. Schmadel. 5th edition. Springer Verlag , Berlin , Heidelberg 2003, ISBN 978-3-540-29925-7 , pp. 186 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 9, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1975 RB. Discovered 1975 Sept. 4 by C.-I. Lagerkvist at Kvistaberg. "
| predecessor | asteroid | successor |
|---|---|---|
| (2743) Chengdu | numbering | (2745) San Martin |