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JPL Small-Body Database Browser
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390975 (2005 QS181)
Classification: Mars-crossing Asteroid          SPK-ID: 2390975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07691026861083614 5.0695e-08  
a 1.800189738266431 8.605e-09 au
q 1.661736661945889 9.3975e-08 au
i 18.21784200075493 5.811e-06 deg
node 186.6702440373811 1.2819e-05 deg
peri 151.168014257624 3.1434e-05 deg
M 239.3544288817491 2.9191e-05 deg
tp 2458896.154662571215
(2020-Feb-16.65466257)
7.1839e-05 TDB
period 882.2178679175413
2.42
6.3256e-06
1.732e-08
d
yr
n .4080624674376333 2.9258e-09 deg/d
Q 1.938642814586973 9.2668e-09 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      8802 days (24.10 yr)  
   first obs. used      1995-05-27  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:07:34  

Additional Information
 Earth MOID = .66704 au 
 Jupiter MOID = 3.26664 au 
 T_jup = 4.005 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO476841  

390975 (2005 QS181)          Discovered 2005-Aug-31 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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