1947 Iso-Heikkilä
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1947 Iso-Heikkilä, provisional designation 1935 EA, is a carbonaceous Eos asteroid from the outer region of the asteroid belt, approximately 30 kilometers in diameter. It was discovered on 4 March 1935, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland.[9] It was named after the location of the discovering observatory, which is also known as the "Iso-Heikkilä Observatory".[2]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | Y. Väisälä |
Discovery site | Turku Obs. |
Discovery date | 4 March 1935 |
Designations | |
(1947) Iso-Heikkilä | |
Named after | Iso-Heikkilä (location)[2] |
1935 EA | |
main-belt · (outer) [3] Eos[4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 81.94 yr (29,928 days) |
Aphelion | 3.2712 AU |
Perihelion | 3.0367 AU |
3.1539 AU | |
Eccentricity | 0.0372 |
5.60 yr (2,046 days) | |
198.82° | |
0° 10m 33.6s / day | |
Inclination | 11.912° |
90.908° | |
144.06° | |
Physical characteristics | |
Dimensions | 29.20 km (derived)[3] 30.72±0.86 km[5] 31.61±0.81 km[6] |
5.0158 h[7] | |
0.049±0.009[6] 0.0571 (derived)[3] 0.091±0.006[5] | |
D[8] · C[3] | |
10.80[5] · 11.4[1][3][6] · 11.51[7] · 11.61±0.33[8] | |
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