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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578612093343545 3.0843e-08  
a 2.28125699840537 9.746e-09 au
q 1.921135009834639 7.109e-08 au
i 4.27347124926899 4.9365e-06 deg
node 331.9931755159568 4.8342e-05 deg
peri 93.25062427450706 5.161e-05 deg
M 258.4845981416745 1.8539e-05 deg
tp 2459555.386260156971
(2021-Dec-06.88626016)
6.6039e-05 TDB
period 1258.518917501892
3.45
8.065e-06
2.208e-08
d
yr
n .2860505273250759 1.8331e-09 deg/d
Q 2.641378986976102 1.1285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      6874 days (18.82 yr)  
   first obs. used      2000-08-24  
   last obs. used      2019-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:28  

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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