999 Zachia

999 Zachia
Discovery
Discovered by K. Reinmuth
Discovery site Heidelberg
Discovery date August 9, 1923
Designations
1923 NW
Orbital characteristics
Epoch August 18, 2005 (JDCT 2453600.5)
Aphelion 3.176 AU
Perihelion 2.047 AU
2.612 AU
Eccentricity 0.216
4.221 a
138.908°
Inclination 9.768°
215.194°
127.748°

    999 Zachia is a main-belt asteroid that was discovered by German astronomer Karl W. Reinmuth in 1923 and named after Hungarian astronomer Franz Xaver von Zach.

    Photometric observations of this asteroid collected during 1999 show a rotation period of 22.77 ± 0.03 hours with a brightness variation of 0.3 magnitude.[1]

    References

    1. ↑ Warner, B. (March 2000), "Asteroid Photometry at the Palmer Divide Observatory", The Minor Planet Bulletin 27: 4–6, Bibcode:2000MPBu...27....4W.

    External links