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JPL Small-Body Database Browser
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226541 (2003 UJ221)
Classification: Main-belt Asteroid          SPK-ID: 2226541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05022163878880065 9.8488e-08  
a 3.166080151385332 4.6066e-08 au
q 3.007074417646067 3.0919e-07 au
i 10.40916489000398 1.1139e-05 deg
node 18.4271537011127 4.0874e-05 deg
peri 187.5111093396115 9.0777e-05 deg
M 94.87630620124183 8.1518e-05 deg
tp 2458058.203811751289
(2017-Oct-31.70381175)
0.00046602 TDB
period 2057.696337328325
5.63
4.4909e-05
1.23e-07
d
yr
n .1749529284128568 3.8183e-09 deg/d
Q 3.325085885124598 4.838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5813 days (15.92 yr)  
   first obs. used      2003-09-22  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:37  

Additional Information
 Earth MOID = 2.00376 au 
 Jupiter MOID = 1.63486 au 
 T_jup = 3.176 
[ 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 15.5   n/a MPO321144  

226541 (2003 UJ221)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 UJ221 = 2006 DF183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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