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109490 (2001 QQ226)
Classification: Main-belt Asteroid          SPK-ID: 2109490
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08708677636413359 3.4286e-08  
a 2.725434932745977 1.4548e-08 au
q 2.488085590262931 9.7464e-08 au
i 9.004465139354435 4.7032e-06 deg
node 305.3072437866027 2.513e-05 deg
peri 136.2052430657477 3.9604e-05 deg
M 338.6913687269059 3.0124e-05 deg
tp 2459097.775888808897
(2020-Sep-05.27588881)
0.00013765 TDB
period 1643.433570293221
4.50
1.3159e-05
3.603e-08
d
yr
n .2190535757011273 1.754e-09 deg/d
Q 2.962784275229024 1.5815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      9517 days (26.06 yr)  
   first obs. used      1994-01-04  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:26:38  

Additional Information
 Earth MOID = 1.51302 au 
 Jupiter MOID = 2.21107 au 
 T_jup = 3.333 
[ 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 15.2   n/a MPO502755  

109490 (2001 QQ226)          Discovered 2001-Aug-24 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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