1098 Hakone
Modelled shape of Hakone from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | O. Oikawa |
| Discovery site | Tokyo Astronomical Obs. |
| Discovery date | 5 September 1928 |
| Designations | |
| (1098) Hakone | |
| Pronunciation | Japanese: [hakone] |
Named after | Mount Hakone (Japanese volcanic mountain) |
| 1928 RJ · 1926 EC 1950 QH1 · 1952 BE1 A906 RD · A917 DD | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.19 yr (40,247 days) |
| Aphelion | 3.0081 AU |
| Perihelion | 2.3686 AU |
| 2.6884 AU | |
| Eccentricity | 0.1189 |
| 4.41 yr (1,610 days) | |
| 13.741° | |
| 0° 13m 24.96s / day | |
| Inclination | 13.377° |
| 329.00° | |
| 80.805° | |
| Physical characteristics | |
| 24.44 km (derived) 24.73±1.1 km 24.90±0.57 km 26.684±0.397 km 29.567±0.135 km | |
| 7.14±0.01 h 7.14117±0.00001 h 7.142±0.002 h 7.16±0.050 h | |
Pole ecliptic latitude | (40.0°, 43.0°) (λ1/β1) |
| 0.1745±0.0334 0.1865 (derived) 0.206±0.009 0.2404±0.022 0.245±0.013 | |
| SMASS = Xe · M · X | |
| 10.20 · 10.350±0.120 (R) · 10.5 | |
1098 Hakone (prov. designation: 1928 RJ) is a background asteroid from the central regions of the asteroid belt. The X-type asteroid has a rotation period of 7.1 hours and measures approximately 25 kilometers (16 miles) in diameter. Discovered by Japanese astronomer Okuro Oikawa at Tokyo Observatory in 1928, the asteroid was later named after the volcanic Mount Hakone in Japan.