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129664 (1998 QS80)
Classification: Main-belt Asteroid          SPK-ID: 2129664
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2675275748764173 5.4821e-08  
a 2.750740271064221 1.4963e-08 au
q 2.014841397231511 1.516e-07 au
i 14.7987619263946 6.8476e-06 deg
node 241.420727481134 1.7149e-05 deg
peri 159.6098892015857 1.9338e-05 deg
M 232.6629688274645 1.1421e-05 deg
tp 2459589.920212536308
(2022-Jan-10.42021254)
5.6759e-05 TDB
period 1666.375244963597
4.56
1.3597e-05
3.723e-08
d
yr
n .2160377748577658 1.7628e-09 deg/d
Q 3.48663914489693 1.8966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      7973 days (21.83 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:17:29  

Additional Information
 Earth MOID = 1.03057 au 
 Jupiter MOID = 1.94895 au 
 T_jup = 3.246 
[ 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 14.7   n/a MPO338151  

129664 (1998 QS80)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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