399 Persephone

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399 Persephone
399Persephone (Lightcurve Inversion).png
A three-dimensional model of 399 Persephone based on its light curve.
Discovery
Discovered by Max Wolf
Discovery date 23 February 1895
Designations
Named after
Persephone
1895 BP
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 120.99 yr (44191 d)
Aphelion 3.2761 AU (490.10 Gm)
Perihelion 2.82735 AU (422.966 Gm)
3.0517 AU (456.53 Gm)
Eccentricity 0.073517
5.33 yr (1947.2 d)
17.04 km/s
255.116°
0° 11m 5.568s / day
Inclination 13.113°
346.391°
194.023°
Earth MOID 1.83259 AU (274.152 Gm)
Jupiter MOID 1.70943 AU (255.727 Gm)
Jupiter Tisserand parameter 3.193
Physical characteristics
Dimensions 49.13±4.0 km
Mass ~1.2×1017 kg
Mean density
2.0? g/cm³
Equatorial surface gravity
~0.0137 m/s²
Equatorial escape velocity
~0.0260 km/s
9.136 h (0.3807 d)
0.1838±0.034
Temperature ~159 K
9.0,[1] 8.91[2]

399 Persephone is a main belt asteroid. It was discovered by German astronomer Max Wolf on February 23, 1895 in Heidelberg.[3]

References[edit]

  1. ^ a b Yeomans, Donald K., "399 Persephone", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016. 
  2. ^ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W. 
  3. ^ Schmadel, Lutz D. (2003). Dictionary of minor planet names. Springer. p. 48. ISBN 978-3-540-00238-3. 

External links[edit]