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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128512507088595 4.7232e-08  
a 2.532390976278235 2.0462e-08 au
q 2.206947062988184 1.2012e-07 au
i 18.69794873322273 5.5366e-06 deg
node 57.42142282912285 1.7789e-05 deg
peri 244.5679985334371 3.0696e-05 deg
M 176.1097135243724 2.8634e-05 deg
tp 2457880.428913583686
(2017-May-06.92891358)		 0.0001148 TDB
period 1471.955100727581
4.03		 1.784e-05
4.884e-08		 d
yr
n .2445726774016773 2.9643e-09 deg/d
Q 2.857834889568286 2.3092e-08 au
   Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      6870 days (18.81 yr)  
   first obs. used      2000-04-07  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57495  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:32:17  

Additional Information
 Earth MOID = 1.25221 au 
 Jupiter MOID = 2.37081 au 
 T_jup = 3.365 
[ 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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