1234 Elyna

Elyna

Discovery
Discovered by	Reinmuth, K.
Discovery site	Heidelberg
Discovery date	18 October 1931
Designations
MPC designation	1234
Alternative names	1931 UF
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	84.47 yr (30853 days)
Aphelion	3.2776796 AU (490.33389 Gm)
Perihelion	2.7482360 AU (411.13025 Gm)
Semi-major axis	3.012958 AU (450.7321 Gm)
Eccentricity	0.0878611
Orbital period	5.23 yr (1910.2 d)
Mean anomaly	73.632801°
Mean motion	0° 11^m 18.449^s / day
Inclination	8.518330°
Longitude of ascending node	304.71487°
Argument of perihelion	86.88429°
Earth MOID	1.76921 AU (264.670 Gm)
Jupiter MOID	2.12643 AU (318.109 Gm)
Jupiter Tisserand parameter	3.226
Physical characteristics
Mean radius	12.85±1.6 km
Rotation period	5.4221 h (0.22592 d)
Geometric albedo	0.0672±0.020
Absolute magnitude (H)	10.8,[2] 10.9[1]

1234 Elyna (1931 UF) is a main-belt asteroid discovered on October 18, 1931, by Karl Wilhelm Reinmuth at Heidelberg.^[2]

It was later named after a species in the genus of Kobresia.^[3]

References

1. "1234 Elyna (1931 UF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 30 April 2016.
2. "JPL Small-Body Database Browser". Retrieved July 22, 2014.
3. Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. p. 101. ISBN 3-540-00238-3.

External links

• 1234 Elyna at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters