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187098 (2005 QS20)
Classification: Main-belt Asteroid          SPK-ID: 2187098
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182019023973763 3.9934e-08  
a 2.791548451392108 1.6699e-08 au
q 2.283433526894247 1.0917e-07 au
i 5.8841887771176 5.5384e-06 deg
node 129.1602652158828 3.6877e-05 deg
peri 244.3843029084423 4.0025e-05 deg
M 83.70485253641273 1.3512e-05 deg
tp 2458804.391358711888
(2019-Nov-16.89135871)		 6.4225e-05 TDB
period 1703.594314340232
4.66		 1.5287e-05
4.185e-08		 d
yr
n .211317915873311 1.8962e-09 deg/d
Q 3.299663375889969 1.9739e-08 au
   Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      8429 days (23.08 yr)  
   first obs. used      1998-01-22  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:00  

Additional Information
 Earth MOID = 1.28971 au 
 Jupiter MOID = 2.18402 au 
 T_jup = 3.297 
[ 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 MPO494032  

187098 (2005 QS20)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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