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215665 (2003 UJ228)
Classification: Main-belt Asteroid          SPK-ID: 2215665
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 .1583913822347769 6.9647e-08  
a 2.261913448762572 1.8116e-08 au
q 1.903645851117637 1.6352e-07 au
i 7.724382577489464 7.1106e-06 deg
node 54.89649258741454 4.2893e-05 deg
peri 296.7851620928924 4.7481e-05 deg
M 348.6433042247883 2.6598e-05 deg
tp 2459039.697818017919
(2020-Jul-09.19781802)
9.2141e-05 TDB
period 1242.54578671126
3.40
1.4928e-05
4.087e-08
d
yr
n .289727753979062 3.4807e-09 deg/d
Q 2.620181046407507 2.0985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      5757 days (15.76 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:25:59  

Additional Information
 Earth MOID = .913719 au 
 Jupiter MOID = 2.83427 au 
 T_jup = 3.591 
[ 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 16.7   n/a MPO475768  

215665 (2003 UJ228)          Discovered 2003-Oct-23 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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