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160705 (2000 QE4)
Classification: Main-belt Asteroid          SPK-ID: 2160705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578612103092889 3.095e-08  
a 2.281256996157682 9.7796e-09 au
q 1.921135005717697 7.1392e-08 au
i 4.273471263639687 4.9391e-06 deg
node 331.9931762779194 4.8524e-05 deg
peri 93.25062372000775 5.1777e-05 deg
M 258.4845982190176 1.856e-05 deg
tp 2459555.386259362092
(2021-Dec-06.88625936)
6.6122e-05 TDB
period 1258.518915641892
3.45
8.0928e-06
2.216e-08
d
yr
n .286050527747838 1.8394e-09 deg/d
Q 2.641378986597666 1.1323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      6874 days (18.82 yr)  
   first obs. used      2000-08-24  
   last obs. used      2019-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:25:07  

Additional Information
 Earth MOID = .939711 au 
 Jupiter MOID = 2.6546 au 
 T_jup = 3.585 
[ 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 15.7   n/a MPO475385  

160705 (2000 QE4)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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