Astronomy:561 Ingwelde

From HandWiki
561 Ingwelde
Discovery
Discovered byM. F. Wolf
Discovery siteHeidelberg
Discovery date26 March 1905
Designations
(561) Ingwelde
PronunciationGerman: [ˈɪŋvɛldə]
1905 QG
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc110.90 yr (40505 d)
|{{{apsis}}}|helion}}3.5428 astronomical unit|AU (530.00 Gm)
|{{{apsis}}}|helion}}2.8069 AU (419.91 Gm)
3.1748 AU (474.94 Gm)
Eccentricity0.11589
Orbital period5.66 yr (2066.2 d)
Mean anomaly326.466°
Mean motion0° 10m 27.228s / day
Inclination1.5440°
Longitude of ascending node159.502°
315.780°
Physical characteristics
Mean radius12.25±0.8 km
Rotation period12.012 h (0.5005 d)
Geometric albedo0.0966±0.014
Absolute magnitude (H)11.21


Ingwelde (minor planet designation: 561 Ingwelde) is a Themistian asteroid. In light of Max Wolf's practice ca. 1905 of naming his discoveries after operatic heroines, it is most likely named after the title character of Ingwelde, an opera by Max von Schillings premiered in Karlsruhe in 1894.[2]

References

External links