970 Primula

970 Primula
Discovery [1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date29 November 1921
Designations
(970) Primula
Pronunciation/ˈprɪmjʊlə/[2]
Named after
Primula [3]
(genus of flowers)
A921 WK · 1929 RN
1966 TG · 1921 LB
main-belt [1][4] · (middle)
background [5][6]
Orbital characteristics [4]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc98.11 yr (35,834 d)
Aphelion3.2552 AU
Perihelion1.8644 AU
2.5598 AU
Eccentricity0.2717
4.10 yr (1,496 d)
17.501°
0° 14m 26.52s / day
Inclination5.0331°
310.77°
95.564°
Physical characteristics
9.204±0.289 km[7]
2.777±0.001 h[8][9]
0.229±0.031[7]
SMASS = S [4][6]
12.3[1][4]

970 Primula (prov. designation: A921 WK or 1921 LB) is a stony background asteroid from the central regions of the asteroid belt, approximately 9.2 kilometers (5.7 miles) in diameter. It was discovered on 29 November 1921, by astronomer Karl Reinmuth at the Heidelberg Observatory in southern Germany.[1] The S-type asteroid has a short rotation period of 2.8 hours. It was named after the genus of flowering plants, Primula, which are also known as "primroses".[3]

  1. ^ a b c d Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ "primula". 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 Cite error: The named reference jpldata 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 Cite error: The named reference Ferret was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Sada-2004b was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Clark-2012a was invoked but never defined (see the help page).