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Discovery and designation
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| Discovered by | Zdeněk Moravec | |||||||||
| Discovery date | October 5, 1997 | |||||||||
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Designations
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| Alternate name(s) | 1997 TY7, 1977 DX9, 1983 GV1, 1994 BZ | |||||||||
| Epoch October 27, 2007 | ||||||||||
| Ap | 3.6996762 AU | |||||||||
| Peri | 2.7042382 AU | |||||||||
| Semi-major axis | 3.2019572 AU | |||||||||
| Eccentricity | 0.1554421 | |||||||||
| Orbital period | 2092.7710282 d | |||||||||
| Mean anomaly | 95.89198° | |||||||||
| Inclination | 2.17769° | |||||||||
| Longitude of ascending node | 80.63753° | |||||||||
| Argument of peri | 116.50468° | |||||||||
| Surface temp. Kelvin Celsius |
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| Absolute magnitude (H) | 12.7 | |||||||||
9991 Anežka is an outer main belt asteroid. It orbits the Sun once every 5.73 years.[1]
Discovered on October 5, 1997 by Zdeněk Moravec, it was given the provisional designation 1997 TY9. It was later renamed 9991 Anežka to honour the grandmother of its discoverer for her 75th birthday.[2]
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