1703 Barry
| Discovery [1] | |
|---|---|
| Discovered by | M. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 2 September 1930 |
| Designations | |
| MPC designation | 1703 Barry |
|
Named after
|
Roger Barry (astronomer)[2] |
| 1930 RB · 1939 FD 1940 TP · 1943 PA 1953 PK · 1963 SB |
|
| main-belt · Flora [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.00 yr (31,047 days) |
| Aphelion | 2.5952 AU |
| Perihelion | 1.8336 AU |
| 2.2144 AU | |
| Eccentricity | 0.1719 |
| 3.30 yr (1,204 days) | |
| 275.73° | |
| Inclination | 4.5194° |
| 112.28° | |
| 213.51° | |
| Earth MOID | 0.8234 AU |
| Physical characteristics | |
| Dimensions | 9.41 km[4] 9.50±0.24 km[5] 9.21±0.49 km[6] 9.54 km (derived)[3] |
| 107.1 h[7] 107.04±0.05 h[8] 105.7450±1.8907 h[9] |
|
| 0.2187[4] 0.216±0.012[5] 0.330±0.032[6] 0.2805 (derived)[3] |
|
| S [3] | |
| 12.1 | |
1703 Barry, provisional designation 1930 RB, is a 10-kilometer sized stony asteroid and suspected tumbler from the inner regions of the asteroid belt. It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 2 September 1930.[10] In the same month, it was independently discovered by Dutch astronomer Hendrik van Gent and Soviet astronomer Evgenii Skvortsov at their observatories in Johannesburg and Crimea, respectively.[2]
The relatively bright S-type asteroid with an albedo of about 0.28 is a member of the Flora family, a large group that accounts for up to 5% of all main-belt asteroids.[4][5][6] It orbits the Sun at a distance of 1.8–2.6 AU once every 3.30 years (1,204 days). Its orbit shows an eccentricity of 0.17 and is tilted by 5 degrees to the plane of the ecliptic.[1] Photometric observations reported in 2007 showed a leisurely rotation period of 107.1±0.5 hours with a brightness variation of 0.5 magnitude. It may have a non-principal axis rotation.[7] However, no follow-up measurements have since confirmed its tumbling motion.[3]
The asteroid is named after Vincentian priest Roger Barry (1752–1813), the Court Astronomer of Grand Duchy of Baden at the Mannheim Observatory in 1788. The Heidelberg Observatory is a direct successor to the old Mannheim Observatory.[2]
References
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External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- 1703 Barry at the JPL Small-Body Database
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