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109185 (2001 QA70)
Classification: Main-belt Asteroid          SPK-ID: 2109185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200811133917192 4.0924e-08  
a 2.389732959274971 9.6936e-09 au
q 1.863797868888847 1.02e-07 au
i 7.93066525956516 5.4293e-06 deg
node 185.5958464387615 3.0259e-05 deg
peri 102.2600581701451 3.4067e-05 deg
M 65.87991832204271 1.2861e-05 deg
tp 2458753.570465161997
(2019-Sep-27.07046516)
4.8279e-05 TDB
period 1349.343393340816
3.69
8.2101e-06
2.248e-08
d
yr
n .2667964298611061 1.6233e-09 deg/d
Q 2.915668049661094 1.1827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      10560 days (28.91 yr)  
   first obs. used      1990-09-25  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:20:47  

Additional Information
 Earth MOID = .867522 au 
 Jupiter MOID = 2.31552 au 
 T_jup = 3.487 
[ 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 15.7   n/a MPO493615  

109185 (2001 QA70)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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