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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195448892538626 4.4957e-08  
a 2.452494823661465 9.9354e-09 au
q 2.159311601571183 1.1163e-07 au
i 6.987600608311517 3.4919e-06 deg
node 265.3620811523293 4.2459e-05 deg
peri 34.92196152156844 4.6131e-05 deg
M 2.085896616532168 1.7079e-05 deg
tp 2458992.371678838459
(2020-May-22.87167884)
6.6569e-05 TDB
period 1402.847866458297
3.84
8.5247e-06
2.334e-08
d
yr
n .2566208415092613 1.5594e-09 deg/d
Q 2.745678045751746 1.1123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      7521 days (20.59 yr)  
   first obs. used      2000-03-30  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:19  

Additional Information
 Earth MOID = 1.1477 au 
 Jupiter MOID = 2.43627 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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