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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350406358529277 7.9241e-08  
a 3.174999468695439 2.704e-08 au
q 2.746245521610099 2.5742e-07 au
i 19.87393073144402 8.6868e-06 deg
node 330.04444655 1.4574e-05 deg
peri 33.66535778115534 2.7983e-05 deg
M 289.6980301236704 2.2813e-05 deg
tp 2459404.032860284553
(2021-Jul-08.53286028)
0.00013324 TDB
period 2066.397712012782
5.66
2.6398e-05
7.227e-08
d
yr
n .1742162207725931 2.2256e-09 deg/d
Q 3.603753415780779 3.0692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      14124 days (38.67 yr)  
   first obs. used      1981-09-28  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:24  

Additional Information
 Earth MOID = 1.76021 au 
 Jupiter MOID = 1.87644 au 
 T_jup = 3.095 
[ 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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