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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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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208863581465757 6.9796e-08  
a 2.979157540198068 3.2779e-08 au
q 2.356920026601585 2.2413e-07 au
i 11.21086314191182 9.7965e-06 deg
node 223.2657338381852 4.6769e-05 deg
peri 207.3616820620497 6.3889e-05 deg
M 323.4420970144236 4.2735e-05 deg
tp 2459391.229296370945
(2021-Jun-25.72929637)
0.00022479 TDB
period 1878.186139960771
5.14
3.0998e-05
8.487e-08
d
yr
n .191674292734116 3.1634e-09 deg/d
Q 3.601395053794552 3.9625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:50:06  

Additional Information
 Earth MOID = 1.37625 au 
 Jupiter MOID = 1.76614 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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