591 Irmgard

Irmgard (minor planet designation: 591 Irmgard) is a minor planet orbiting the Sun.

591 Irmgard
Discovery
Discovered byAugust Kopff
Discovery siteHeidelberg
Discovery date14 March 1906
Designations
(591) Irmgard
PronunciationGerman: [ˈɪʁmɡaːt][1]
1906 TP
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc110.08 yr (40205 d)
Aphelion3.2342 AU (483.83 Gm)
Perihelion2.1241 AU (317.76 Gm)
2.6792 AU (400.80 Gm)
Eccentricity0.20718
4.39 yr (1601.8 d)
43.3627°
0° 13m 29.1s / day
Inclination12.490°
334.289°
217.191°
Physical characteristics
Mean radius
25.93±0.65 km
7.35 h (0.306 d)
0.0364±0.002
10.64

    References


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