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30 Urania
Main-belt asteroid
Main-belt asteroid
| Field | Value | |
|---|---|---|
| minorplanet | yes | |
| background | #D6D6D6 | |
| name | 30 Urania | |
| symbol | [[File:Urania symbol (bold).svg | 24px]] (astrological) |
| image | 30 Urania VLT (2021), deconvolved.pdf | |
| discovery_ref | ||
| discoverer | J. R. Hind | |
| discovered | July 22, 1854 | |
| mpc_name | (30) Urania | |
| alt_names | 1948 JK | |
| pronounced | ||
| named_after | Urania | |
| mp_category | Main belt | |
| orbit_ref | ||
| epoch | 17.0 October 2024 (JD 2460600.5) | |
| semimajor | 353.951 Gm | |
| perihelion | 309.039 Gm | |
| aphelion | 398.863 Gm | |
| eccentricity | 0.127 | |
| period | 1329.308 day | |
| inclination | 2.093° | |
| asc_node | 307.403° | |
| arg_peri | 87.100° | |
| moid | 1.07287 AU | |
| jupiter_moid | 2.74597 AU | |
| mean_anomaly | 211.291° | |
| flattening | 0.32 ± 0.05 | |
| tisserand | 3.536 | |
| dimensions | (± ) | |
| mean_diameter | ||
| (NEOWISE) | ||
| mass | ||
| density | ||
| rotation | 13.686 hours | |
| axial_tilt | 72° | |
| spectral_type | S | |
| magnitude | 9.36 (brightest) | |
| abs_magnitude | 7.59 | |
| 7.57 | ||
| pole_ecliptic_lat | ||
| pole_ecliptic_lon | ||
| albedo | 0.214 (calculated) | |
| 0.192 ± 0.027 |
(NEOWISE)
7.57 0.192 ± 0.027
30 Urania is a large main-belt asteroid that was discovered by English astronomer John Russell Hind on July 22, 1854. It was his last asteroid discovery. This object is named after Urania, the Greek Muse of astronomy. Initial orbital elements for 30 Urania were published by Wilhelm Günther, an assistant at Breslau Observatory. It is orbiting the Sun with a period of 1330.017 day and is spinning on its axis once every 13.7 hours.
Based upon its spectrum, this is classified as a stony S-type asteroid. During 2000, speckle interferometry measurements from the Telescopio Nazionale Galileo in the Canary Islands were used to measure the apparent size and shape of 30 Urania. This gave cross-sectional dimensions equivalent to an ellipse with a length of 111 km and a width of 89 km, for a ratio of 0.80.
The astrological symbol for Urania is [[File:Urania symbol (fixed width).svg|24px]], compass calipers.
Notes
References
References
- Noah Webster (1884) ''A Practical Dictionary of the English Language''
- P. Vernazza et al. (2021) VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis. ''Astronomy & Astrophysics'' 54, A56
- Miller, Kirk. (18 October 2024). "Preliminary presentation of constellation symbols". The Unicode Consortium.
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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