9423 Abt

9423 Abt
Discovery [1]
Discovered bySpacewatch
Discovery siteKitt Peak Obs.
Discovery date12 January 1996
Designations
(9423) Abt
Named after
Helmut Abt
(American astrophysicist)[2]
1996 AT7 · 1974 DU
1981 US15 · 1983 CK8
1990 VH15 · 1992 DP2
main-belt · (middle) [3]
background
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc42.95 yr (15,686 days)
Aphelion2.9681 AU
Perihelion2.4182 AU
2.6932 AU
Eccentricity0.1021
4.42 yr (1,614 days)
114.30°
0° 13m 22.8s / day
Inclination8.8476°
106.16°
219.27°
Physical characteristics
Dimensions12.690±0.145 km[4][5]
12.84±0.86 km[6]
13.29 km (calculated)[3]
3.2766±0.0003 h[7]
3.281±0.005 h[8]
0.10 (assumed)[3]
0.132±0.012[4][5]
0.141±0.020[6]
S [3]
12.5[1][3] · 12.20[6] · 12.3[4] · 12.516±0.003 (R)[7] · 12.15±0.31[9]

9423 Abt, provisional designation 1996 AT7, is a stony background asteroid from the central region of the asteroid belt, approximately 13 kilometers in diameter. It was discovered on 12 January 1996, by the Spacewatch project of the University of Arizona at Kitt Peak National Observatory, United States.[10] The asteroid was named after American astronomer Helmut Abt.

  1. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Masiero-2011 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 Waszczak-2016 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Higgins-2006f was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference MPC-Abt was invoked but never defined (see the help page).