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JPL Small-Body Database Browser
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85660 (1998 QX33)
Classification: Main-belt Asteroid          SPK-ID: 2085660
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357941749072242 8.8824e-08  
a 3.170506958740817 2.6974e-08 au
q 2.739970582240995 2.858e-07 au
i 19.86821308713925 9.6203e-06 deg
node 330.1322478241319 1.4704e-05 deg
peri 34.16536738400134 3.1093e-05 deg
M 219.3745446506439 2.4786e-05 deg
tp 2459405.976610601394
(2021-Jul-10.47661060)
0.00014555 TDB
period 2062.013446257825
5.65
2.6315e-05
7.205e-08
d
yr
n .1745866403797385 2.228e-09 deg/d
Q 3.601043335240639 3.0637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      13734 days (37.60 yr)  
   first obs. used      1981-09-28  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:50  

Additional Information
 Earth MOID = 1.75375 au 
 Jupiter MOID = 1.87881 au 
 T_jup = 3.096 
[ 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 13.7   n/a MPO436374  

85660 (1998 QX33)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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