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109262 (2001 QE108)
Classification: Main-belt Asteroid          SPK-ID: 2109262
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2653393569814597 3.7914e-08  
a 3.051168204491612 1.4171e-08 au
q 2.241573195069532 1.1462e-07 au
i 3.482641004926292 4.105e-06 deg
node 145.7518723788306 6.7921e-05 deg
peri 212.8237692216852 6.8255e-05 deg
M 197.0949458621477 8.492e-06 deg
tp 2459881.406287310250
(2022-Oct-28.90628731)
5.0081e-05 TDB
period 1946.693827947989
5.33
1.3562e-05
3.713e-08
d
yr
n .1849289265890754 1.2884e-09 deg/d
Q 3.860763213913691 1.7931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:47  

Additional Information
 Earth MOID = 1.23884 au 
 Jupiter MOID = 1.59166 au 
 T_jup = 3.179 
[ 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 14.2   n/a MPO338038  
diameter diameter 7.501 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109262 (2001 QE108)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
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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