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JPL Small-Body Database Browser
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160552 (1998 QB71)
Classification: Main-belt Asteroid          SPK-ID: 2160552
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3062522960131358 5.0265e-08  
a 2.743265094967275 1.9438e-08 au
q 1.903133861060855 1.3839e-07 au
i 8.90109035730722 6.2314e-06 deg
node 209.0851280477941 3.9369e-05 deg
peri 172.8564659286317 4.0707e-05 deg
M 171.7798836013329 1.346e-05 deg
tp 2457808.600813837353
(2017-Feb-24.10081384)
5.7186e-05 TDB
period 1659.587263897418
4.54
1.7639e-05
4.829e-08
d
yr
n .2169214043945883 2.3056e-09 deg/d
Q 3.583396328873696 2.5391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62016  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:28:26  

Additional Information
 Earth MOID = .906159 au 
 Jupiter MOID = 1.87784 au 
 T_jup = 3.263 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO436809  

160552 (1998 QB71)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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