708 Raphaela

708 Raphaela is a minor planet orbiting the Sun.

DiscoveredbyJ. Helffrich

DiscoverysiteHeidelberg

Discoverydate3 February 1911

MPCdesignation

(708) Raphaela

Quick facts Discovery, Discovered by ...

708 Raphaela

A three-dimensional model of 708 Raphaela based on its light curve.
Discovery
Discovered by	J. Helffrich
Discovery site	Heidelberg
Discovery date	3 February 1911
Designations
MPC designation	(708) Raphaela
Pronunciation	/ræfeɪˈɛlə, -faɪ-/[1]
Alternative designations	1911 LJ
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	123.34 yr (45049 d)
Aphelion	2.9024 AU (434.19 Gm)
Perihelion	2.4387 AU (364.82 Gm)
Semi-major axis	2.6705 AU (399.50 Gm)
Eccentricity	0.086818
Orbital period (sidereal)	4.36 yr (1594.0 d)
Mean anomaly	9.02998°
Mean motion	0° 13m 33.024s / day
Inclination	3.4910°
Longitude of ascending node	355.202°
Argument of perihelion	197.104°
Earth MOID	1.43803 AU (215.126 Gm)
Jupiter MOID	2.06007 AU (308.182 Gm)
TJupiter	3.373
Physical characteristics
Mean radius	10.715±0.75 km
Synodic rotation period	20.918±0.005 h
Geometric albedo	0.2193±0.034
Absolute magnitude (H)	10.61

Close

Observations performed at the Palmer Divide Observatory in Colorado Springs, Colorado during 2007 produced a light curve with a period of 20.918 hours with a brightness amplitude of 0.45 ± 0.02 in magnitude.^[3]