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226516 (2003 UR46)
Classification: Main-belt Asteroid          SPK-ID: 2226516
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289728543673512 5.083e-08  
a 3.120228458415105 3.0832e-08 au
q 2.717803687855069 1.5798e-07 au
i 4.299943638910248 6.7644e-06 deg
node 197.6893211517386 7.0231e-05 deg
peri 106.8865020576261 7.7272e-05 deg
M 71.42479456221332 2.7486e-05 deg
tp 2458601.084866073402
(2019-Apr-27.58486607)
0.00015531 TDB
period 2013.158723030419
5.51
2.9839e-05
8.169e-08
d
yr
n .1788234558366516 2.6505e-09 deg/d
Q 3.522653228975141 3.4809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8569 days (23.46 yr)  
   first obs. used      1996-05-12  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:53:35  

Additional Information
 Earth MOID = 1.70685 au 
 Jupiter MOID = 1.72786 au 
 T_jup = 3.199 
[ 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 16.0   n/a MPO450050  

226516 (2003 UR46)          Discovered 2003-Oct-18 by Spacewatch at Kitt Peak
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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