726 Joëlla

726 Joëlla is a minor planet orbiting the Sun. It was discovered on November 22, 1911, by Joel Hastings Metcalf, in Winchester, Massachusetts, in the United States.

726 Joëlla
Discovery
Discovered byJoel Hastings Metcalf
Discovery siteWinchester, Massachusetts
Discovery date22 November 1911
Designations
(726) Joëlla
Pronunciation/ˈɛlə/
1911 NM
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc84.76 yr (30958 d)
Aphelion3.2978 AU (493.34 Gm)
Perihelion1.8387 AU (275.07 Gm)
2.5683 AU (384.21 Gm)
Eccentricity0.28407
4.12 yr (1503.4 d)
203.587°
0° 14m 22.092s / day
Inclination15.414°
242.040°
112.979°
Physical characteristics
Mean radius
22.01±1.75 km
13.04 h (0.543 d)
0.0539±0.010
10.57

    References


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