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JPL Small-Body Database Browser
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109236 (2001 QR94)
Classification: Main-belt Asteroid          SPK-ID: 2109236
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467131222690957 3.2495e-08  
a 2.645740942834121 1.6984e-08 au
q 2.257576028395746 8.675e-08 au
i 13.20819852301659 5.2085e-06 deg
node 174.1489505457303 1.6583e-05 deg
peri 263.9438587787466 2.4936e-05 deg
M 329.6712463417928 1.8653e-05 deg
tp 2458732.925452875100
(2019-Sep-06.42545287)
8.1728e-05 TDB
period 1571.880057198966
4.30
1.5136e-05
4.144e-08
d
yr
n .2290251080871318 2.2053e-09 deg/d
Q 3.033905857272496 1.9476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      7553 days (20.68 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:14:31  

Additional Information
 Earth MOID = 1.31712 au 
 Jupiter MOID = 2.32406 au 
 T_jup = 3.340 
[ 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 15.4   n/a MPO309937  

109236 (2001 QR94)          Discovered 2001-Aug-23 by Yeung, W. K. Y. at Desert Eagle
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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