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447242 (2005 UK204)
Classification: Main-belt Asteroid          SPK-ID: 2447242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208804883044146 6.9935e-08  
a 2.979870904878637 3.2874e-08 au
q 2.3576593090988 2.2448e-07 au
i 11.20990926650884 9.7957e-06 deg
node 223.2729554124274 4.6996e-05 deg
peri 207.2757833883666 6.4013e-05 deg
M 285.1760689967451 4.2426e-05 deg
tp 2459391.010415525490
(2021-Jun-25.51041553)
0.00022511 TDB
period 1878.860782963423
5.14
3.1091e-05
8.512e-08
d
yr
n .1916054681987624 3.1707e-09 deg/d
Q 3.602082500658475 3.9738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5471 days (14.98 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:53:09  

Additional Information
 Earth MOID = 1.37751 au 
 Jupiter MOID = 1.76475 au 
 T_jup = 3.198 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO397617  

447242 (2005 UK204)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2005 UK204 = 2010 UR39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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