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JPL Small-Body Database Browser
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305313 (2008 AU44)
Classification: Main-belt Asteroid          SPK-ID: 2305313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07377748857248001 6.6158e-08  
a 3.053140561451386 4.0188e-08 au
q 2.827887518568732 2.1312e-07 au
i 9.655968995113174 9.945e-06 deg
node 142.3362515310498 3.9377e-05 deg
peri 267.8570985317716 8.4618e-05 deg
M 121.3896081881053 7.422e-05 deg
tp 2457943.451188347855
(2017-Jul-08.95118835)
0.0003974 TDB
period 1948.581725613889
5.33
3.8474e-05
1.053e-07
d
yr
n .1847497568451147 3.6478e-09 deg/d
Q 3.278393604334041 4.3153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6785 days (18.58 yr)  
   first obs. used      2000-09-05  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:52:08  

Additional Information
 Earth MOID = 1.85882 au 
 Jupiter MOID = 2.01066 au 
 T_jup = 3.210 
[ 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 15.9   n/a MPO433967  

305313 (2008 AU44)          Discovered 2008-Jan-10 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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