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JPL Small-Body Database Browser
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392520 (2011 QW30)
Classification: Main-belt Asteroid          SPK-ID: 2392520
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414402539344628 7.413e-08  
a 2.28956746730785 1.6722e-08 au
q 1.736773716600958 1.646e-07 au
i 6.121763134631157 1.1183e-05 deg
node .2560569179103601 4.8397e-05 deg
peri 305.9103497893632 5.639e-05 deg
M 96.23448257752672 2.5868e-05 deg
tp 2458262.235197866787
(2018-May-23.73519787)
8.8736e-05 TDB
period 1265.402229079939
3.46
1.3863e-05
3.795e-08
d
yr
n .2844945201825292 3.1167e-09 deg/d
Q 2.842361218014741 2.0759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      5198 days (14.23 yr)  
   first obs. used      2004-07-25  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61591  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:10:27  

Additional Information
 Earth MOID = .730127 au 
 Jupiter MOID = 2.44265 au 
 T_jup = 3.553 
[ 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 17.8   n/a MPO455786  

392520 (2011 QW30)          Discovered 2004-Jul-25 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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