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JPL Small-Body Database Browser
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109191 (2001 QS73)
Classification: Main-belt Asteroid          SPK-ID: 2109191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09728756452486738 3.7376e-08  
a 2.59916563154436 1.1504e-08 au
q 2.34629913745467 9.7097e-08 au
i 2.041459571352081 4.1368e-06 deg
node 258.4986172728576 0.00012091 deg
peri 173.4774380483605 0.00012287 deg
M 29.29826844127724 2.1742e-05 deg
tp 2458475.937070483239
(2018-Dec-23.43707048)
9.229e-05 TDB
period 1530.556480356938
4.19
1.0162e-05
2.782e-08
d
yr
n .2352085693146359 1.5616e-09 deg/d
Q 2.852032125634049 1.2624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:28:48  

Additional Information
 Earth MOID = 1.36072 au 
 Jupiter MOID = 2.36825 au 
 T_jup = 3.408 
[ 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 15.1   n/a MPO379288  

109191 (2001 QS73)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QS73 = 1997 WX31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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