2975 Spahr

2975 Spahr
Discovery [1]
Discovered byH. Potter
A. Lokalov
Discovery siteCerro El Roble Stn.
Discovery date8 January 1970
Designations
(2975) Spahr
Named after
Timothy Spahr [1]
(MPC director)
1970 AF1 · 1957 HU
1967 GH · 1970 AK1
1970 CB · 1978 PF4
main-belt [1][2] · (inner)
background [3][4] · Flora [5]
Orbital characteristics [2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc61.07 yr (22,304 d)
Aphelion2.4621 AU
Perihelion2.0351 AU
2.2486 AU
Eccentricity0.0949
3.37 yr (1,232 d)
44.830°
0° 17m 32.28s / day
Inclination6.8979°
236.58°
317.02°
Physical characteristics
5.919±0.107 km[6]
6.032±0.082 km[7]
6.51 km (calculated)[5]
11.946±0.006 h[8]
0.24 (assumed)[5]
0.4044±0.0445[7]
0.419±0.085[6]
S (SDSS-MOC)[9]
S (Pan-STARRS)[5][10]
A (S3OS2-TH)[11]
A (S3OS2-BB)[11]
12.7[7]
13.0[1][2]
13.1[5]
13.81±0.38[10]

2975 Spahr, provisional designation 1970 AF1, is a bright background asteroid from the Flora region of the inner asteroid belt, approximately 6 kilometers (3.7 miles) in diameter. It was discovered on 8 January 1970, by Russian astronomers Hejno Potter and A. Lokalov at the Cerro El Roble Station near Santiago, Chile.[1] The S- or A-type asteroid has a rotation period of 11.9 hours.[5] It was named for Timothy Spahr, an American astronomer and former director of the Minor Planet Center.[12]

  1. ^ a b c d e Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  5. ^ a b c d e f Cite error: The named reference lcdb was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference SDSS-Taxonomy was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ a b Cite error: The named reference Lazzaro-2004 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference springer was invoked but never defined (see the help page).