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JPL Small-Body Database Browser
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226200 (2002 UJ21)
Classification: Main-belt Asteroid          SPK-ID: 2226200
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05953406062117676 5.1269e-08  
a 2.260319107465704 1.6346e-08 au
q 2.125753132698637 1.2139e-07 au
i 7.265202389272313 6.8483e-06 deg
node 42.05255108284214 4.4088e-05 deg
peri 55.14976947835279 0.00010156 deg
M 254.9779641886331 8.4807e-05 deg
tp 2458962.602058107499
(2020-Apr-23.10205811)		 0.00029097 TDB
period 1241.232279603083
3.40		 1.3464e-05
3.686e-08		 d
yr
n .2900343520836565 3.1461e-09 deg/d
Q 2.394885082232772 1.7319e-08 au
   Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6255 days (17.13 yr)  
   first obs. used      2002-10-18  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63382  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:34:56  

Additional Information
 Earth MOID = 1.15127 au 
 Jupiter MOID = 2.69275 au 
 T_jup = 3.607 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO297324  

226200 (2002 UJ21)          Discovered 2002-Oct-30 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 UJ21 = 2005 OG13 = 2007 EG10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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