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129257 (2005 QL72)
Classification: Main-belt Asteroid          SPK-ID: 2129257
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 .2072185335833975 6.4188e-08  
a 3.160035824207651 3.0163e-08 au
q 2.505217834644339 2.1257e-07 au
i 4.376222502035167 5.8412e-06 deg
node 308.73086563 7.4977e-05 deg
peri 30.86245924616192 7.5696e-05 deg
M 232.6330809849323 1.3334e-05 deg
tp 2459726.423036672257
(2022-May-26.92303667)
8.2654e-05 TDB
period 2051.806663950917
5.62
2.9377e-05
8.043e-08
d
yr
n .1754551275834105 2.5121e-09 deg/d
Q 3.814853813770962 3.6414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59592  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:42:41  

Additional Information
 Earth MOID = 1.49765 au 
 Jupiter MOID = 1.59664 au 
 T_jup = 3.167 
[ 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 14.9   n/a MPO432772  
diameter diameter 5.591 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129257 (2005 QL72)          Discovered 2005-Aug-29 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2005 QL72 = 2000 WK110 = 2002 CO300 = 2003 FL111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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