9994 Grotius

9994 Grotius
Orbit of Grotius (blue), inner planets and Jupiter (outermost)
Discovery [1]
Discovered byC. J. van Houten
I. van Houten-G.
T. Gehrels
Discovery sitePalomar Obs.
Discovery date24 September 1960
Designations
(9994) Grotius
Pronunciation/ˈɡroʊʃiəs/[2]
Named after
Hugo Grotius
(Dutch jurist)[3]
4028 P-L · 1981 WH9
main-belt · (middle)
Rafita
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc55.59 yr (20,306 days)
Aphelion3.0391 AU
Perihelion2.1307 AU
2.5849 AU
Eccentricity0.1757
4.16 yr (1,518 days)
204.01°
0° 14m 13.92s / day
Inclination7.1806°
207.15°
224.33°
Physical characteristics
Dimensions3.38 km (calculated)[4]
3.746±0.146 km[5][6]
9.219±0.0067 h[7]
0.20 (assumed)[4]
0.263±0.040[5][6]
S [4]
14.2[5] · 14.273±0.007 (R)[7] · 14.3[1] · 14.48±0.45[8] · 14.72[4]

9994 Grotius /ˈɡroʊʃiəs/, provisional designation 4028 P-L, is a stony Rafita asteroid from the middle regions of the asteroid belt, approximately 3.5 kilometers in diameter. It was discovered during the Palomar–Leiden survey in 1960, and named after Dutch jurist Hugo Grotius.

  1. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ Cite error: The named reference springer was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Waszczak-2015 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).