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283333 (1998 QW29)
Classification: Main-belt Asteroid          SPK-ID: 2283333
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18213788329906 1.548e-07  
a 2.683013196075327 5.6802e-08 au
q 2.194334851678721 4.4249e-07 au
i 10.92532822716888 1.5427e-05 deg
node 303.5694615448913 6.7092e-05 deg
peri 11.40844148019533 7.645e-05 deg
M 356.7124120538588 4.5617e-05 deg
tp 2457415.159107126285
(2016-Jan-27.65910713)
0.00020366 JED
period 1605.212895264669
4.39
5.0976e-05
1.396e-07
d
yr
n .2242693172114363 7.122e-09 deg/d
Q 3.171691540471933 6.7148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      6125 days (16.77 yr)  
   first obs. used      1998-08-17  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .72549  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-05 00:21:14  

Additional Information
 Earth MOID = 1.17945 au 
 Jupiter MOID = 2.1077 au 
 T_jup = 3.326 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3 mag n/a MPO251765  

283333 (1998 QW29)          Discovered 1998-Aug-23 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20110813/Numbers.arcLast Updated: 2011-08-16

Alternate Designations
 1998 QW29 = 2007 TE248 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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