4672 Takuboku
| Discovery | |
|---|---|
| Discovered by | Seiji Ueda and Hiroshi Kaneda |
| Discovery site | Kushiro |
| Discovery date | 17 April 1988 |
| Designations | |
| MPC designation | 4672 |
|
Named after
|
Takuboku Ishikawa |
| 1988 HB | |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 16397 days (44.89 yr) |
| Aphelion | 3.3493247 AU (501.05184 Gm) |
| Perihelion | 3.0326202 AU (453.67352 Gm) |
| 3.190972 AU (477.3626 Gm) | |
| Eccentricity | 0.0496251 |
| 5.70 yr (2082.0 d) | |
| 268.53883° | |
| 0° 10m 22.475s / day | |
| Inclination | 15.52345° |
| 91.75676° | |
| 174.16909° | |
| Earth MOID | 2.01544 AU (301.506 Gm) |
| Jupiter MOID | 1.74886 AU (261.626 Gm) |
| Jupiter Tisserand parameter | 3.138 |
| Physical characteristics | |
|
Mean radius
|
17.795 ± 0.95 km |
| 0.0609 ± 0.007 | |
| 11.4 | |
4672 Takuboku (1988 HB) is a main-belt asteroid discovered on April 17, 1988 by Seiji Ueda and Hiroshi Kaneda at Kushiro. It was named after the Japanese poet Takuboku Ishikawa (1886–1912).
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