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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09721724370040691 3.4672e-08  
a 2.598368256756137 1.0746e-08 au
q 2.345762056715674 8.847e-08 au
i 2.041444668634107 3.6699e-06 deg
node 258.4976301162419 0.00011882 deg
peri 173.2906146908214 0.00012073 deg
M 123.5951875316983 2.1718e-05 deg
tp 2458475.271190267740
(2018-Dec-22.77119027)
9.1446e-05 TDB
period 1529.852215767867
4.19
9.4902e-06
2.598e-08
d
yr
n .2353168471369687 1.4598e-09 deg/d
Q 2.850974456796599 1.179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:02  

Additional Information
 Earth MOID = 1.36037 au 
 Jupiter MOID = 2.36879 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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