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JPL Small-Body Database Browser
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109551 (2001 QL259)
Classification: Main-belt Asteroid          SPK-ID: 2109551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194358227624041 5.0141e-08  
a 2.451350930037771 1.3009e-08 au
q 2.158571814829325 1.2751e-07 au
i 6.98869627835027 4.3608e-06 deg
node 265.3653292595467 4.4651e-05 deg
peri 35.23746855436723 4.8495e-05 deg
M 259.1168834013537 1.964e-05 deg
tp 2458993.346283725994
(2020-May-23.84628373)
7.6699e-05 TDB
period 1401.866505611659
3.84
1.1159e-05
3.055e-08
d
yr
n .2568004860369538 2.0442e-09 deg/d
Q 2.744130045246217 1.4562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      6949 days (19.03 yr)  
   first obs. used      2000-03-30  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:32:00  

Additional Information
 Earth MOID = 1.14633 au 
 Jupiter MOID = 2.43774 au 
 T_jup = 3.475 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO325224  
diameter diameter 2.454 km 0.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109551 (2001 QL259)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QL259 = 2000 JG74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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