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452673 (2005 WQ146)
Classification: Main-belt Asteroid          SPK-ID: 2452673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06881576727885157 6.4386e-08  
a 2.857148294671466 2.7706e-08 au
q 2.660531442544187 1.8374e-07 au
i 4.685611710645939 6.2635e-06 deg
node 281.8228063349287 7.6067e-05 deg
peri 121.2798115182618 9.8098e-05 deg
M 67.03218329267553 5.8741e-05 deg
tp 2458872.043043548250
(2020-Jan-23.54304355)
0.00028732 TDB
period 1763.996016754394
4.83
2.5659e-05
7.025e-08
d
yr
n .2040820934858856 2.9685e-09 deg/d
Q 3.053765146798745 2.9613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5995 days (16.41 yr)  
   first obs. used      2004-08-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:57:35  

Additional Information
 Earth MOID = 1.67226 au 
 Jupiter MOID = 2.233 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457890.5 (2017-May-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06695951416252457 6.4715e-08  
q 2.668144530479514 1.8386e-07 au
tp 2457102.581195524220
(2015-Mar-21.08119552)
0.0002959 TDB
node 281.9346900664719 7.6225e-05 deg
peri 120.2591399499294 9.9368e-05 deg
i 4.678305987270924 6.2573e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5995 days (16.41 yr)  
   first obs. used      2004-08-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:57:35  

Additional Information
 Jupiter MOID = 2.233 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.188048163047047E-15 -1.177940003744804E-14 -7.766384629525391E-12 -6.244910652471507E-15 -1.821272920246079E-12 -3.428791119959E-15
q -1.177940003744804E-14 3.380384296408968E-14 2.212851532312144E-11 1.651472062720363E-14 5.245181463756896E-12 9.730959195598111E-15
tp -7.766384629525391E-12 2.212851532312144E-11 8.755943134888628E-8 1.077005768236242E-10 1.888212653781153E-8 1.801007731478606E-11
node -6.244910652471507E-15 1.651472062720363E-14 1.077005768236242E-10 5.810266312807016E-9 -5.767642685265994E-9 6.683172881099872E-11
peri -1.821272920246079E-12 5.245181463756896E-12 1.888212653781153E-8 -5.767642685265994E-9 9.874049816750952E-9 -6.260992635449391E-11
i -3.428791119959E-15 9.730959195598111E-15 1.801007731478606E-11 6.683172881099872E-11 -6.260992635449391E-11 3.915439239012671E-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 16.8   n/a MPO495257  

452673 (2005 WQ146)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

Alternate Designations
 2005 WQ146 = 2004 QH6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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