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139591 (2001 QS113)
Classification: Main-belt Asteroid          SPK-ID: 2139591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430584165050964 4.4238e-08  
a 2.749352167380846 2.2741e-08 au
q 2.356034199900488 1.2753e-07 au
i 8.09858020434633 5.8412e-06 deg
node 281.4565762310857 4.6374e-05 deg
peri 139.0885485875455 5.4002e-05 deg
M 338.9842472663018 2.9093e-05 deg
tp 2459097.704514409056
(2020-Sep-05.20451441)
0.00013516 TDB
period 1665.114051858282
4.56
2.0659e-05
5.656e-08
d
yr
n .2162014065031984 2.6824e-09 deg/d
Q 3.142670134861204 2.5994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      7003 days (19.17 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:26:38  

Additional Information
 Earth MOID = 1.37615 au 
 Jupiter MOID = 2.17422 au 
 T_jup = 3.317 
[ 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 15.9   n/a MPO453872  

139591 (2001 QS113)          Discovered 2001-Aug-25 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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