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109597 (2001 QU281)
Classification: Main-belt Asteroid          SPK-ID: 2109597
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288058373532357 4.4413e-08  
a 2.53168405370334 1.7672e-08 au
q 2.205588369252247 1.1581e-07 au
i 18.69814343784669 5.1699e-06 deg
node 57.41485079221503 1.7197e-05 deg
peri 244.65058093836 3.0229e-05 deg
M 273.8894293627991 2.8522e-05 deg
tp 2459352.438397747708
(2021-May-17.93839775)		 0.0001177 TDB
period 1471.338794431814
4.03		 1.5406e-05
4.218e-08		 d
yr
n .2446751226586268 2.5619e-09 deg/d
Q 2.857779738154433 1.9948e-08 au
   Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      2000-04-07  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:06:38  

Additional Information
 Earth MOID = 1.25153 au 
 Jupiter MOID = 2.37216 au 
 T_jup = 3.366 
[ 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 MPO381926  

109597 (2001 QU281)          Discovered 2001-Aug-19 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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