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JPL Small-Body Database Browser
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109155 (2001 QR60)
Classification: Main-belt Asteroid          SPK-ID: 2109155
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141035612941513 4.3162e-08  
a 3.127580281143834 3.4389e-08 au
q 2.77071223283196 1.3622e-07 au
i 10.91738859529961 5.2619e-06 deg
node 268.1493448115186 4.3206e-05 deg
peri 348.3881720046021 5.9045e-05 deg
M 119.7033297580325 4.2638e-05 deg
tp 2457928.738891521495
(2017-Jun-24.23889152)		 0.00023591 TDB
period 2020.277961700009
5.53		 3.332e-05
9.123e-08		 d
yr
n .1781933015282064 2.9389e-09 deg/d
Q 3.484448329455708 3.8313e-08 au
   Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:13:44  

Additional Information
 Earth MOID = 1.75617 au 
 Jupiter MOID = 1.60735 au 
 T_jup = 3.176 
[ 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 14.6   n/a MPO453550  
diameter diameter 7.879 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109155 (2001 QR60)          Discovered 2001-Aug-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QR60 = 2000 JK79 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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