1245 Calvinia

1245 Calvinia
Shape model of Calvinia from its lightcurve
Discovery[1]
Discovered byC. Jackson
Discovery siteJohannesburg Obs.
Discovery date26 May 1932
Designations
(1245) Calvinia
Named after
Calvinia[2]
(South African city)
1932 KF · 1948 VT
1950 CP · A906 FB
A914 YB · A916 DC
A917 KE
main-belt[1][3] · (outer)
background[4] · Koronis[4][5][6]
Orbital characteristics[3]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 0
Observation arc112.59 yr (41,125 d)
Aphelion3.1302 AU
Perihelion2.6536 AU
2.8919 AU
Eccentricity0.0824
4.92 yr (1,796 d)
137.36°
0° 12m 1.44s / day
Inclination2.8936°
151.72°
208.24°
Physical characteristics
26.84±3.5 km[7]
29.751±0.204 km[8][9]
30.444±0.137 km[10]
30.95±0.78 km[11]
4.8523±0.0001 h[12]
0.214[11]
0.2202[10]
0.221[8][9]
0.2713[7]
Tholen = S[3][6]
B–V = 0.847[4]
U–B = 0.474[4]
9.89[7][8][10][11]
9.9[1][3][6]
10.11±0.03[13]

1245 Calvinia (prov. designation: 1932 KF) is a stony Koronian asteroid from the outer regions of the asteroid belt, approximately 30 kilometers (19 miles) in diameter. It was discovered on 26 May 1932, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg.[1] The S-type asteroid is likely elongated and has a rotation period of 4.9 hours.[6] It was named for the city of Calvinia in South Africa.[2]

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  8. ^ a b c Cite error: The named reference Mainzer-2016 was invoked but never defined (see the help page).
  9. ^ a b Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
  10. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  11. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
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  13. ^ Cite error: The named reference Slivan-2008 was invoked but never defined (see the help page).