9991 Anežka

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9991 Anežka
Orbit of 9991 Anežka (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery and designation
Discovered by Zdeněk Moravec
Discovery date October 5, 1997
Alternative names 1997 TY7, 1977 DX9, 1983 GV1, 1994 BZ
Orbital characteristics
Epoch October 27, 2007
Aphelion 3.6996762 AU
Perihelion 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 perihelion 116.50468°
Physical characteristics
Surface temp. min mean max
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]


  1. ^ "9991 Anezka (1997 TY7)". JPL Small-Body Database Browser. 
  2. ^ MPC 34632 Minor Planet Center