Golia
| Discovery | |
|---|---|
| Discovered by | H. van Gent |
| Discovery site |
Johannesburg Obs. (Leiden Southern Station) |
| Discovery date | 22 April 1930 |
| Designations | |
| MPC designation | (1226) Golia |
|
Named after
|
Jacobus Golius (mathematician) |
| 1930 HL · 1957 WN | |
| main-belt · (middle) | |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 86.72 yr (31,674 days) |
| Aphelion | 2.8728 AU |
| Perihelion | 2.2932 AU |
| 2.5830 AU | |
| Eccentricity | 0.1122 |
| 4.15 yr (1,516 days) | |
| 9.8144° | |
| 0° 14m 14.64s / day | |
| Inclination | 9.8483° |
| 17.487° | |
| 139.91° | |
| Physical characteristics | |
| Dimensions |
11.679±0.158 km 12.179±0.147 km 15.92 km (derived) 16.39±1.5 km |
|
4.0910±0.0005 h 4.097 h |
|
| 0.1008 (derived) 0.1724±0.0240 0.187±0.023 0.2388±0.052 |
|
| M · S | |
| 11.10 · 11.809±0.003 (R) · 12.1 · 12.2 · 12.39±0.61 | |
1226 Golia, provisional designation 1930 HL, is a metallic asteroid from the middle region of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 22 April 1930, by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in South Africa. It is named for Jacobus Golius.
Golia is a M-type asteroid and orbits the Sun at a distance of 2.3–2.9 AU once every 4 years and 2 months (1,516 days). Its orbit has an eccentricity of 0.11 and an inclination of 10° with respect to the ecliptic. The body's observation arc begins at Johannesburg one night after its official discovery observation, with no precoveries taken and no prior identifications made.
In March 1992, the first reliable rotational light curve of Golia was obtained by Italian astronomer Mario Di Martino using the ESO 1-metre telescope at La Silla in northern Chile. Analysis gave a well-defined rotation period of 4.097 hours with a change in brightness of 0.35 magnitude (U=3). Another light curve was obtained from photometric observations in the R-band at the Palomar Transient Factory in October 2011, giving a period of 4.0910 hours and an amplitude of 0.24 magnitude (U=2).
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