(15836) 1995 DA2

(15836) 1995 DA2
Discovery
Discovered by David C. Jewitt, Jane X. Luu
Discovery date February 24, 1995
Designations
MPC designation (15836) 1995 DA2
Alternate name(s) none
Minor planet
category
TNO
3:4 resonance[1][2]
Aphelion 39.092 AU
Perihelion 33.750 AU
Semi-major axis 36.421 AU
Eccentricity 0.073
Mean anomaly 40.9°
Inclination 6.6°
Longitude of ascending node 127.5°
Argument of perihelion 336.1°
Physical characteristics
Dimensions 106 km[3]
Albedo 0.09 (assumed)
Absolute magnitude (H) 8.1

(15836) 1995 DA2, also written as (15836) 1995 DA2, is a trans-Neptunian object. It was discovered on February 24, 1995 by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Hawaii.

Resonance

It is in a 3:4 resonance with the planet Neptune.[1][2] The Neptune 3:4 mean-motion resonance keeps the object more than 8 AU from Neptune over a 14000-year period.[4][5]

References

  1. ^ a b Marc W. Buie (2002-02-07 using 45 observations). "Orbit Fit and Astrometric record for 15836". SwRI (Space Science Department). http://www.boulder.swri.edu/~buie/kbo/astrom/15836.html. Retrieved 2009-01-29. 
  2. ^ a b "MPEC 2009-A63 :Distant Minor Planets (2009 JAN. 29.0 TT)". Minor Planet Center. 2009-01-13. http://www.cfa.harvard.edu/mpec/K09/K09A63.html. Retrieved 2009-03-01. 
  3. ^ Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. http://www.johnstonsarchive.net/astro/tnoslist.html. Retrieved 2009-01-29. 
  4. ^ "MPEC 2001-D23". Minor Planet Center. 2001-02-21. http://www.cfa.harvard.edu/mpec/K01/K01D23.html. Retrieved 2009-01-30. 
  5. ^ "MPEC 1996-A11: 1995 DA2". Minor Planet Center. 1996-01-06. http://www.cfa.harvard.edu/mpec/J96/J96A11.html. Retrieved 2009-01-30.