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447250 (2005 UN243)
Classification: Main-belt Asteroid          SPK-ID: 2447250
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830723980057545 1.2792e-07  
a 2.240425918027873 1.7695e-08 au
q 1.830265772660266 2.9055e-07 au
i 3.277471806132041 1.0074e-05 deg
node 342.1246914767106 0.00011186 deg
peri 324.0755999851054 0.00011482 deg
M 215.4009537840779 2.5797e-05 deg
tp 2459492.491088699910
(2021-Oct-04.99108870)
8.7175e-05 TDB
period 1224.882159094525
3.35
1.4511e-05
3.973e-08
d
yr
n .2939058237782845 3.482e-09 deg/d
Q 2.65058606339548 2.0935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5213 days (14.27 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:08:34  

Additional Information
 Earth MOID = .816633 au 
 Jupiter MOID = 2.59408 au 
 T_jup = 3.611 
[ 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 MPO456118  

447250 (2005 UN243)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2005 UN243 = 2008 SC61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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