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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05962848199220803 5.1232e-08  
a 2.260793257395633 1.6367e-08 au
q 2.125985587358912 1.2131e-07 au
i 7.264336285703276 6.8475e-06 deg
node 42.05097137855737 4.4094e-05 deg
peri 54.92699556306705 0.00010143 deg
M 11.18947913261091 8.4201e-05 deg
tp 2458961.908019142855
(2020-Apr-22.40801914)
0.00029056 TDB
period 1241.62286232626
3.40
1.3483e-05
3.691e-08
d
yr
n .2899431147115936 3.1486e-09 deg/d
Q 2.395600927432354 1.7343e-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 = 1.15143 au 
 Jupiter MOID = 2.69119 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 17.1   n/a MPO503110  

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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