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2006 BZ8 is a dark centaur and damocloid on a retrograde and highly eccentric orbit from the outer region of the Solar System. It was first observed on 23 January 2006 by the Catalina Sky Survey at the Catalina Station near Tucson, Arizona, United States. It has not been observed since 2008.[1] This unusual object is estimated around 9–23.5 kilometers (5.6–15 miles) in diameter.[5]
| Discovery[1] | |
|---|---|
| Discovered by | CSS |
| Discovery site | Catalina Stn. |
| Discovery date | 23 January 2006 (first observed only) |
| Designations | |
| 2006 BZ8 | |
| centaur[2] · damocloid[3] unusual[4] · distant[1] | |
| Orbital characteristics[2] | |
| Epoch 1 July 2021 (JD 2459396.5) | |
| Uncertainty parameter 2 | |
| Observation arc | 1.71 yr (623 days) |
| Aphelion | 17.310 AU |
| Perihelion | 1.890 AU |
| 9.600 AU | |
| Eccentricity | 0.8031 |
| 29.75 yr (10,865 d) | |
| 181.859° | |
| 0° 1m 59.282s / day | |
| Inclination | 165.302° |
| 183.444° | |
| 82.014° | |
| Earth MOID | 0.9708 AU |
| Jupiter MOID | 0.2159 AU |
| Saturn MOID | 1.6202 AU[1] |
| TJupiter | –1.024 |
| Physical characteristics | |
| 9.0–24.5 km[5] | |
| 5.960±0.003 h[5] | |
| 0.020+0.022 −0.010[5] | |
| 14.17±0.13 (linear)[lower-alpha 1] 13.82±0.15 (H-G)[lower-alpha 2] | |
- List of notable asteroids § Retrograde and highly inclined
- 2006 RJ2 – retrograde centaur, damocloid, and potential co-orbital with Saturn
- 2017 SV13 – another retrograde centaur, damocloid, and potential co-orbital with Saturn
- Linear fit of CSS V-band photometry using a phase slope of β = 0.054±0.008 mag per degree of phase angle.[5]
- Two-parameter H-G modeling of V-band CSS photometry takes the opposition effect into account, yielding an absolute magnitude of H = 13.82±0.15 and a slope parameter of G = −0.12±0.10.[5]
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