4085 Weir

4085 Weir
Discovery [1]
Discovered byC. Shoemaker
Discovery sitePalomar Obs.
Discovery date13 May 1985
Designations
(4085) Weir
Named after
Doris Blackman Weir [2][3]
(American geologist)
1985 JR · 1981 JY
1982 XK
main-belt · (middle) [4]
Eunomia [5]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc36.57 yr (13,356 days)
Aphelion2.8838 AU
Perihelion2.3288 AU
2.6063 AU
Eccentricity0.1065
4.21 yr (1,537 days)
261.69°
0° 14m 3.12s / day
Inclination14.220°
68.681°
136.29°
Physical characteristics
Dimensions9.221±0.241 km[6]
9.579±0.048 km[7]
9.66±0.77 km[8]
11.30 km (calculated)[4]
14.602±0.005 h[9][a]
14.657±0.0046 h[10]
0.20 (assumed)[4]
0.228±0.038[8]
0.2334±0.0274[7]
0.273±0.060[6]
S (Tholen)[4]
12.025±0.001 (R)[10] · 12.1[1][4] · 12.30[7][8] · 12.38±0.22[11]

4085 Weir, provisional designation 1985 JR, is a stony Eunomian asteroid from the central regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 13 May 1985, by astronomer Carolyn Shoemaker at the Palomar Observatory in California, United States. The asteroid was named after American geologist Doris Blackman Weir.[2][3]

  1. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  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 Ferret was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Masiero-2014 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. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Warner-2006m was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference Waszczak-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).


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