823 Sisigambis

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823 Sisigambis
Discovery
Discovered byMax Wolf
Discovery siteHeidelberg
Discovery date31 March 1916
Designations
MPC designation
(823) Sisigambis
Pronunciation/sɪsɪˈɡæmbɪs/[1]
1916 ZG; A913 JB;
1937 QE; 1939 FA1;
1969 FN
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc100.04 yr (36540 d)
Aphelion2.4213 AU (362.22 Gm)
Perihelion2.0211 AU (302.35 Gm)
2.2212 AU (332.29 Gm)
Eccentricity0.090088
3.31 yr (1209.2 d)
176.61°
0° 17m 51.828s / day
Inclination3.6456°
255.028°
218.602°
Earth MOID1.03763 AU (155.227 Gm)
Jupiter MOID2.65835 AU (397.683 Gm)
TJupiter3.641
Physical characteristics
Mean radius
8.315±0.7 km
Synodic rotation period
146 h (6.1 d)
0.1793±0.034
Absolute magnitude (H)
11.2

823 Sisigambis is an asteroid belonging to the Flora family in the Main Belt. Its diameter is about 17 km and it has an albedo of 0.179.[3] Its rotation period is unknown but appears to be greater than at least 12 hours.[4][5] The asteroid is named after Sisygambis, the mother of Darius III of Persia.

References[]

  1. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  2. ^ "823 Sisigambis (1916 ZG)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 4 May 2016.
  3. ^ Psi.edu Archived 2009-08-17 at the Wayback Machine
  4. ^ "Asteroid Lightcurve Parameters". Archived from the original on 19 November 2003. Retrieved 3 November 2008.
  5. ^ Adsabs.harvard.edu

External links[]


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