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109176 (2001 QE66)
Classification: Main-belt Asteroid          SPK-ID: 2109176
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 .09057799714632647 3.6244e-08  
a 2.726201676791169 1.3481e-08 au
q 2.479267789090468 1.0241e-07 au
i 3.275448675907159 4.0095e-06 deg
node 220.7534529047776 6.3634e-05 deg
peri 177.1477454935819 6.6941e-05 deg
M 15.23551853984315 2.0275e-05 deg
tp 2458930.919084763321
(2020-Mar-22.41908476)
9.2545e-05 TDB
period 1644.127137497624
4.50
1.2195e-05
3.339e-08
d
yr
n .2189611689932466 1.6241e-09 deg/d
Q 2.973135564491871 1.4702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      8304 days (22.74 yr)  
   first obs. used      1998-01-27  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:35  

Additional Information
 Earth MOID = 1.48656 au 
 Jupiter MOID = 2.3879 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457160.5 (2015-May-18.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09063688408544276 3.6375e-08  
q 2.47937879855808 1.0276e-07 au
tp 2457277.483058388401
(2015-Sep-11.98305839)
9.1675e-05 TDB
node 220.7993490624418 6.3738e-05 deg
peri 175.2937332325984 6.7004e-05 deg
i 3.270518310415496 4.0108e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      8304 days (22.74 yr)  
   first obs. used      1998-01-27  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:35  

Additional Information
 Jupiter MOID = 2.3879 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.323129246084833E-15 -3.712623338878662E-15 -4.800139332039443E-13 -9.040168979120031E-16 -9.363712657338453E-14 -3.264221871825113E-16
q -3.712623338878662E-15 1.056014156065888E-14 1.292675546526504E-12 3.087668996308194E-15 2.459562909019523E-13 1.005647513167705E-15
tp -4.800139332039443E-13 1.292675546526504E-12 8.404332793878942E-9 -1.91770168650763E-13 1.907586340668236E-9 1.070640369816216E-12
node -9.040168979120031E-16 3.087668996308194E-15 -1.91770168650763E-13 4.062562682935475E-9 -4.055758684978095E-9 -4.533708957573211E-11
peri -9.363712657338453E-14 2.459562909019523E-13 1.907586340668236E-9 -4.055758684978095E-9 4.489495301892739E-9 4.548980020389856E-11
i -3.264221871825113E-16 1.005647513167705E-15 1.070640369816216E-12 -4.533708957573211E-11 4.548980020389856E-11 1.608666272955755E-11

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 MPO449652  

109176 (2001 QE66)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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