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JPL Small-Body Database Browser
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109257 (2001 QR105)
Classification: Main-belt Asteroid          SPK-ID: 2109257
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242689183385702 4.5091e-08  
a 2.605282354195677 1.4064e-08 au
q 2.020998498653649 1.1419e-07 au
i 3.378104607380096 5.1248e-06 deg
node 202.3438502100314 8.049e-05 deg
peri 193.599385196786 8.1617e-05 deg
M 63.26154783512028 1.611e-05 deg
tp 2458330.590645383227
(2018-Jul-31.09064538)
6.7061e-05 TDB
period 1535.962539444774
4.21
1.2437e-05
3.405e-08
d
yr
n .2343807161665117 1.8979e-09 deg/d
Q 3.189566209737705 1.7218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      1999-04-15  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:44:59  

Additional Information
 Earth MOID = 1.02748 au 
 Jupiter MOID = 2.2388 au 
 T_jup = 3.374 
[ 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 16.0   n/a MPO453552  

109257 (2001 QR105)          Discovered 2001-Aug-23 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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