Global Information6223 Dahl information
 Track of Dahl next to NGC 772 with two supernovae | |
| Discovery [1] | |
|---|---|
| Discovered by | A. Mrkos |
| Discovery site | Kleť Obs. |
| Discovery date | 3 September 1980 |
| Designations | |
MPC designation | (6223) Dahl |
Named after | Roald Dahl (Welsh author)[2] |
Alternative designations | 1980 RD1 · 1949 XC 1972 YS · 1976 UV3 1982 BH9 · 1991 AK3 |
Minor planet category | main-belt · (middle) |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 67.02 yr (24,479 days) |
| Aphelion | 3.0674 AU |
| Perihelion | 2.4039 AU |
Semi-major axis | 2.7356 AU |
| Eccentricity | 0.1213 |
Orbital period (sidereal) | 4.52 yr (1,653 days) |
Mean anomaly | 38.698° |
Mean motion | 0° 13m 4.08s / day |
| Inclination | 3.8564° |
Longitude of ascending node | 294.31° |
Argument of perihelion | 76.334° |
| Physical characteristics | |
| Dimensions | 16.81 km (calculated)[3] 19.634±0.326 km[4][5] |
Synodic rotation period | 3.33±0.01 h[6] |
Geometric albedo | 0.033±0.004[5] 0.0335±0.0040[4] 0.057 (assumed)[3] |
Spectral type | C [3] |
Absolute magnitude (H) | 12.6[1][3][4] |
6223 Dahl, provisional designation 1980 RD1, is a carbonaceous asteroid from the central region of the asteroid belt, approximately 18 kilometres in diameter. It was discovered on 3 September 1980, by Czech astronomer Antonín Mrkos at Kleť Observatory near České Budějovice in the Czech Republic.[7] The asteroid was named after author of children's books, Roald Dahl.[2]
- ^ a b c Cite error: The named reference
jpldatawas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
springerwas invoked but never defined (see the help page). - ^ a b c d Cite error: The named reference
lcdbwas invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
WISEwas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
Masiero-2011was invoked but never defined (see the help page). - ^ Cite error: The named reference
Waller-2013was invoked but never defined (see the help page). - ^ Cite error: The named reference
MPC-Dahlwas invoked but never defined (see the help page).