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JPL Small-Body Database Browser
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447227 (2005 UZ81)
Classification: Main-belt Asteroid          SPK-ID: 2447227
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04766560822835299 2.4183e-07  
a 2.881433923128262 8.6615e-08 au
q 2.744088622612544 6.4389e-07 au
i 1.069742253018815 1.3555e-05 deg
node 249.2379308038136 0.00068094 deg
peri 184.8936507279787 0.00093465 deg
M 232.2601641058936 0.00060312 deg
tp 2459234.421201819244
(2021-Jan-19.92120182)
0.0029742 TDB
period 1786.534568935177
4.89
8.0554e-05
2.205e-07
d
yr
n .2015074358256441 9.0859e-09 deg/d
Q 3.01877922364398 9.0744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      5075 days (13.89 yr)  
   first obs. used      2003-04-01  
   last obs. used      2017-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6476  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:41:36  

Additional Information
 Earth MOID = 1.75869 au 
 Jupiter MOID = 2.11163 au 
 T_jup = 3.292 
[ 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 17.7   n/a MPO357070  

447227 (2005 UZ81)          Discovered 2005-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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