9994 Grotius

9994 Grotius

Orbit of 9994 Grotius (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by C.J. van Houten, I. van Houten-Groeneveld & T. Gehrels
Discovery date 24 September 1960
Designations
Named after
 Hugo Grotius
4028 P-L, 1981 WH9
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 20262 days (55.47 yr)
Aphelion 3.0381069 AU (454.49432 Gm)
Perihelion 2.1358181 AU (319.51384 Gm)
2.5869625 AU (387.00408 Gm)
Eccentricity 0.1743916
4.16 yr (1519.8 d)
61.740450°
0° 14m 12.749s / day
Inclination 7.172852°
207.16998°
224.44603°
Earth MOID 1.15585 AU (172.913 Gm)
Jupiter MOID 2.29082 AU (342.702 Gm)
Jupiter Tisserand parameter 3.389
Physical characteristics
9.2189 h (0.38412 d)
Surface temp. min mean max
Kelvin
Celsius
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

    1. 1 2 "9994 Grotius (4028 P-L)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
    2. ↑ MPC 41571 Minor Planet Center

    External links

    This article is issued from Wikipedia - version of the 9/10/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.