![]() Orbit of Grotius (blue), inner planets and Jupiter (outermost) | |
Discovery [1] | |
---|---|
Discovered by | C. J. van Houten I. van Houten-G. T. Gehrels |
Discovery site | Palomar Obs. |
Discovery date | 24 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 arc | 55.59 yr (20,306 days) |
Aphelion | 3.0391 AU |
Perihelion | 2.1307 AU |
2.5849 AU | |
Eccentricity | 0.1757 |
4.16 yr (1,518 days) | |
204.01° | |
0° 14m 13.92s / day | |
Inclination | 7.1806° |
207.15° | |
224.33° | |
Physical characteristics | |
Dimensions | 3.38 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.
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