1227 Geranium

1227 Geranium
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date5 October 1931
Designations
(1227) Geranium
Pronunciation/dʒəˈreɪniəm/[2]
Named after
Geranium[3]
(flowering plant)
1931 TD · 1934 CL1
main-belt · (outer)[1][4]
background[5]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc86.14 yr (31,463 d)
Aphelion3.8358 AU
Perihelion2.6018 AU
3.2188 AU
Eccentricity0.1917
5.77 yr (2,109 days)
23.697°
0° 10m 14.52s / day
Inclination16.492°
0.7016°
302.84°
Physical characteristics
Dimensions41.46 km (derived)[4]
46.08±0.80 km[6]
46.269±0.140 km[7]
51.025±0.535 km[8]
12.363±0.004 h[9]
0.0492 (derived)[4]
0.0619±0.0119[8]
0.071±0.016[7]
0.076±0.003[6]
C (SDSS–MFB)[4]
10.10[6][8] · 10.8[1][4]

1227 Geranium, provisional designation 1931 TD, is a carbonaceous background asteroid from the outer regions of the asteroid belt, approximately 46 kilometers in diameter. It was discovered on 5 October 1931, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory.[10] The asteroid was named for the flowering plant Geranium (cranesbills).[3]

  1. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ "geranium". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  3. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  4. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Albers-2010 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).