Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
442829 (2013 AU81)
Classification: Main-belt Asteroid          SPK-ID: 2442829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578956058931285 4.6005e-08  
a 2.440544930405028 2.3511e-08 au
q 2.055193609909323 1.1832e-07 au
i 2.328937837675825 5.4602e-06 deg
node 83.41360855206 0.00020656 deg
peri 354.3125063340529 0.00020923 deg
M 4.311847427577883 3.5711e-05 deg
tp 2458983.820250562061
(2020-May-14.32025056)
0.00013803 TDB
period 1392.607205731131
3.81
2.0123e-05
5.509e-08
d
yr
n .2585079256508636 3.7355e-09 deg/d
Q 2.825896250900733 2.7223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5526 days (15.13 yr)  
   first obs. used      2004-10-08  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:41:57  

Additional Information
 Earth MOID = 1.07065 au 
 Jupiter MOID = 2.41342 au 
 T_jup = 3.483 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO495194  

442829 (2013 AU81)          Discovered 2008-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-25 03:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin