1241 Dysona

Dysona

A three-dimensional model of 1241 Dysona based on its light curve.
Discovery
Discovered by	Harry Edwin Wood
Discovery site	Johannesburg (UO)
Discovery date	4 March 1932
Designations
MPC designation	1241
Named after	Frank Watson Dyson
Alternative names	1932 EB1
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	96.10 yr (35102 days)
Aphelion	3.5150031 AU (525.83698 Gm)
Perihelion	2.8583212 AU (427.59877 Gm)
Semi-major axis	3.186662 AU (476.7178 Gm)
Eccentricity	0.1030360
Orbital period	5.69 yr (2077.8 d)
Mean anomaly	220.38784°
Mean motion	0° 10^m 23.739^s / day
Inclination	23.54493°
Longitude of ascending node	322.31171°
Argument of perihelion	320.55240°
Earth MOID	1.8725 AU (280.12 Gm)
Jupiter MOID	1.85957 AU (278.188 Gm)
Jupiter Tisserand parameter	3.060
Physical characteristics
Dimensions	83 km[1]
Mean radius	41.525±2.2 km
Rotation period	8.6080 h (0.35867 d)
Sidereal rotation period	8.6080 h[1]
Geometric albedo	0.0425±0.005[1]
Absolute magnitude (H)	9.45[1]

1241 Dysona (1932 EB1) is a main-belt asteroid 83 km in diameter that was discovered on March 4, 1932, by Harry Edwin Wood at Johannesburg (UO).^[1] It was later named in honor of the English astronomer Frank Watson Dyson.^[2]

References

1. "JPL Small-Body Database Browser". NASA. Retrieved 28 April 2016.
2. Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. p. 101. ISBN 3-540-00238-3.

External links

• 1241 Dysona at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters