578 Happelia

Last updated

578 Happelia
578Happelia (Lightcurve Inversion).png
A three-dimensional model of 578 Happelia based on its light curve
Discovery
Discovered by M. F. Wolf
Discovery site Heidelberg
Discovery date1 November 1905
Designations
(578) Happelia
1905 RZ
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 110.46 yr (40344 d)
Aphelion 3.2821  AU (491.00  Gm)
Perihelion 2.2168 AU (331.63 Gm)
2.7494 AU (411.30 Gm)
Eccentricity 0.19374
4.56 yr (1665.2 d)
200.53°
0° 12m 58.284s / day
Inclination 6.1525°
29.411°
261.400°
Physical characteristics
34.645±1.05 km
10.061  h (0.4192  d)
0.0769±0.005
9.4

    578 Happelia is a minor planet orbiting the Sun. On 24 February 2017 a possible small 3-kilometer moon was found orbiting the asteroid, based on occultation observations. [2]

    References

    1. "578 Happelia (1905 RZ)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory. Archived from the original on 18 September 2020. Retrieved 5 May 2016.
    2. "(578) Happelia occultation 2017/02/24". www.asteroidoccultation.com. Archived from the original on 12 March 2017. Retrieved 12 March 2017.