1564 Srbija
| Discovery | |
|---|---|
| Discovered by | M. B. Protitch |
| Discovery site | Belgrade Obs. |
| Discovery date | 15 October 1936 |
| Designations | |
| MPC designation | (1564) Srbija |
| Pronunciation | sř̩bija |
|
Named after
|
Serbia (country) |
| 1936 TB · 1933 FR1 1975 TF |
|
| main-belt · (outer) | |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 83.11 yr (30,357 days) |
| Aphelion | 3.7980 AU |
| Perihelion | 2.5498 AU |
| 3.1739 AU | |
| Eccentricity | 0.1966 |
| 5.65 yr (2,065 days) | |
| 107.41° | |
| 0° 10m 27.48s / day | |
| Inclination | 11.023° |
| 177.61° | |
| 229.70° | |
| Physical characteristics | |
| Dimensions |
29.48±8.22 km 30.23±8.42 km 37.12 km (calculated) 39.32±1.43 km 41.681±1.170 km 43.232±0.423 km |
|
9.135±0.001 h 29.64±0.02 h |
|
|
0.0420±0.0092 0.045±0.005 0.051±0.004 0.057 (assumed) 0.09±0.06 0.10±0.08 |
|
|
B–V = 0.698 U–B = 0.331 Tholen = X · C |
|
| 10.77±0.30 · 10.82 · 10.88 | |
1564 Srbija (IPA: [sř̩bija]), provisional designation 1936 TB, is a dark asteroid from the outer region of the asteroid belt, approximately 36 kilometers in diameter. It was discovered on 15 October 1936, by Serbian astronomer Milorad Protić at the Belgrade Astronomical Observatory in Serbia. It is named for the country of Serbia.
The C-type asteroid is also classified as a X-type in the Tholen taxonomy. It orbits the Sun in the outer main-belt at a distance of 2.5–3.8 AU once every 5 years and 8 months (2,065 days). Its orbit has an eccentricity of 0.20 and an inclination of 11° with respect to the ecliptic.Srbija's observation arc begins 3 years prior to its official discovery observation with its first identification as 1933 FR1 at Heidelberg in 1933.
Astronomers Maryanne Angliongto and Milan Mijic at Cal State LA, United States, obtained a rotational lightcurve of Srbija in May 2006. It gave a rotation period of 29.64 hours with a brightness variation of 0.37 magnitude (U=2). In November 2009, photometric observations by James Brinsfield at Via Capote Observatory, California, gave a shorter period of 9.135 hours with an amplitude of 0.17 (U=3).
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