9994 Grotius

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9994 Grotius
AnimatedOrbitOf9994Grotius.gif
Orbit of 9994 Grotius (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery and designation
Discovered by C.J. van Houten, I. van Houten-Groeneveld & T. Gehrels
Discovery date September 24, 1960
Designations
Named after Hugo Grotius
Alternative names 4028 P-L, 1981 WH9
Orbital characteristics
Epoch October 27, 2007
Aphelion 3.0404076 AU
Perihelion 2.1284272 AU
Semi-major axis 2.5844174 AU
Eccentricity 0.1764383
Orbital period 1517.5479124 d
Mean anomaly 70.85615°
Inclination 7.16682°
Longitude of ascending node 207.32831°
Argument of perihelion 224.17255°
Physical characteristics
Surface temp. min mean max
Kelvin
Celsius
Absolute magnitude (H) 14.3

9994 Grotius is a main belt asteroid. It orbits the Sun once every 4.15 years.[1]

Discovered on September 24, 1960 by C. J. van Houten and I. van Houten-Groeneveld on photographic plates made by T. Gehrels, it was given the provisional designation 4028 P-L. It was later renamed 9994 Grotius, to honour Hugo Grotius.[2]

References[edit]

  1. ^ "9994 Grotius (4028 P-L)". JPL Small-Body Database Browser. 
  2. ^ MPC 41571 Minor Planet Center