9175 Graun

9175 Graun
Discovery [1]
Discovered byH. E. Holt
Discovery sitePalomar Obs.
Discovery date29 July 1990
Designations
(9175) Graun
Named after
Ken Graun
(American astronomy author)[2]
1990 OO2 · 1975 CL
1980 BB1 · 1986 WS4
1991 XL2
main-belt
Eunomia [3] · Maria [4]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc42.11 yr (15,382 days)
Aphelion2.9666 AU
Perihelion2.2334 AU
2.6000 AU
Eccentricity0.1410
4.19 yr (1,531 days)
159.53°
0° 14m 6.36s / day
Inclination15.069°
330.02°
353.26°
Physical characteristics
Dimensions7.929±0.142 km[5][6]
10.23±2.25 km[7]
10.35±0.71 km[8]
10.53 km (calculated)[3]
20 h[4]
25.8±0.5 h[9]
0.183±0.027[8]
0.20±0.09[7]
0.21 (assumed)[3]
0.308±0.042[5][6]
S [3]
12.2[1][3] · 12.25±0.38[10] · 12.4[8][5] · 12.66[7]

9175 Graun, provisional designation 1990 OO2, is a stony Eunomian asteroid from the central region of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 29 July 1990, by American astronomer Henry E. Holt at Palomar Observatory in California, United States.[11] The asteroid was later named for American author and amateur astronomer Ken Graun.[2]

  1. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Alvarez-2004 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 c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Kim-2014 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference MPC-Graun was invoked but never defined (see the help page).