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JPL Small-Body Database Browser
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185706 (1998 QX69)
Classification: Main-belt Asteroid          SPK-ID: 2185706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1919869969006044 4.8323e-08  
a 2.348863117994116 1.1446e-08 au
q 1.897911941839835 1.1421e-07 au
i 5.043957396257827 4.2951e-06 deg
node 257.6745924775457 6.2471e-05 deg
peri 58.259449615 6.3454e-05 deg
M 28.37453105724957 1.2013e-05 deg
tp 2458896.863871272957
(2020-Feb-17.36387127)
4.3608e-05 TDB
period 1314.876579509255
3.60
9.6112e-06
2.631e-08
d
yr
n .2737899553541071 2.0013e-09 deg/d
Q 2.799814294148395 1.3644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1998-07-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56678  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:52:57  

Additional Information
 Earth MOID = .890023 au 
 Jupiter MOID = 2.49501 au 
 T_jup = 3.529 
[ 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 16.1   n/a MPO436917  

185706 (1998 QX69)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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