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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584345318025541 3.1158e-08  
a 2.280635125836221 9.7075e-09 au
q 1.919303767461901 7.197e-08 au
i 4.271980717774758 4.9555e-06 deg
node 332.0166490727507 4.8856e-05 deg
peri 93.20855941246511 5.2082e-05 deg
M 201.3346487082592 1.8336e-05 deg
tp 2459554.949169295294
(2021-Dec-06.44916930)
6.6023e-05 TDB
period 1258.004342607194
3.44
8.032e-06
2.199e-08
d
yr
n .2861675336143162 1.8271e-09 deg/d
Q 2.641966484210542 1.1246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2000-08-24  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49342  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:24  

Additional Information
 Earth MOID = .938482 au 
 Jupiter MOID = 2.6543 au 
 T_jup = 3.585 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456895.5 (2014-Aug-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582781890149415 3.1152e-08  
q 1.919109184850634 7.1879e-08 au
tp 2457040.535696313598
(2015-Jan-18.03569631)
5.8711e-05 TDB
node 332.065663032855 4.8835e-05 deg
peri 93.35951598197963 5.2062e-05 deg
i 4.273726514339903 4.9561e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2000-08-24  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49342  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:24  

Additional Information
 Jupiter MOID = 2.6543 au 
 T_jup = 3.585 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.704596963949114E-16 -2.224610597035942E-15 -1.619269531738277E-13 1.303481766883043E-15 -5.627057116390896E-14 -1.320745761584793E-15
q -2.224610597035942E-15 5.166558874403856E-15 5.311449298036414E-13 -3.40826585056378E-15 1.732132652207135E-13 3.344544138295013E-15
tp -1.619269531738277E-13 5.311449298036414E-13 3.446972545768717E-9 -1.525636936877726E-11 1.067527120548741E-9 2.737274472375766E-12
node 1.303481766883043E-15 -3.40826585056378E-15 -1.525636936877726E-11 2.384816462813122E-9 -2.382238290797843E-9 1.639546701530161E-11
peri -5.627057116390896E-14 1.732132652207135E-13 1.067527120548741E-9 -2.382238290797843E-9 2.710453789059253E-9 -1.555079958616407E-11
i -1.320745761584793E-15 3.344544138295013E-15 2.737274472375766E-12 1.639546701530161E-11 -1.555079958616407E-11 2.456285851644701E-11

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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