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227394 (2005 UR351)
Classification: Main-belt Asteroid          SPK-ID: 2227394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05592051989869422 7.4553e-08  
a 2.73364849506802 3.0124e-08 au
q 2.580781450003533 2.125e-07 au
i 4.580391682666308 5.6797e-06 deg
node 284.2770115267468 9.2057e-05 deg
peri 78.0666965984185 0.00010369 deg
M 154.0881409348738 4.9454e-05 deg
tp 2458493.891028858222
(2019-Jan-10.39102886)
0.00022445 TDB
period 1650.868315158366
4.52
2.7288e-05
7.471e-08
d
yr
n .2180670600401375 3.6046e-09 deg/d
Q 2.886515540132506 3.1809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      2000-08-31  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:35  

Additional Information
 Earth MOID = 1.58054 au 
 Jupiter MOID = 2.3917 au 
 T_jup = 3.346 
[ 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 16.3   n/a MPO454634  

227394 (2005 UR351)          Discovered 2005-Oct-29 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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