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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06881576615625912 6.4201e-08  
a 2.857148294151868 2.7615e-08 au
q 2.660531445267758 1.8304e-07 au
i 4.685611697711582 6.2576e-06 deg
node 281.8228069968023 7.5584e-05 deg
peri 121.2798107656866 9.7714e-05 deg
M 67.03218329148081 5.8733e-05 deg
tp 2458872.043043643703
(2020-Jan-23.54304364)
0.00028728 TDB
period 1763.996016273196
4.83
2.5574e-05
7.002e-08
d
yr
n .2040820935415568 2.9588e-09 deg/d
Q 3.053765143035978 2.9516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6013 days (16.46 yr)  
   first obs. used      2004-08-20  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:20:04  

Additional Information
 Earth MOID = 1.67226 au 
 Jupiter MOID = 2.233 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457902.5 (2017-May-29.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06699124324782361 6.451e-08  
q 2.668002980793347 1.8306e-07 au
tp 2457102.759605970809
(2015-Mar-21.25960597)
0.00029574 TDB
node 281.9265098004465 7.5737e-05 deg
peri 120.2942931575118 9.8963e-05 deg
i 4.6784759873569 6.2515e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6013 days (16.46 yr)  
   first obs. used      2004-08-20  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:20:04  

Additional Information
 Jupiter MOID = 2.233 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.161535383764284E-15 -1.16911039686723E-14 -7.739913947341598E-12 -6.775627250144114E-15 -1.814952815846818E-12 -3.399368392792287E-15
q -1.16911039686723E-14 3.351130600260691E-14 2.202593819840483E-11 1.762345867703771E-14 5.221495078460407E-12 9.657554437615357E-15
tp -7.739913947341598E-12 2.202593819840483E-11 8.746474373081398E-8 1.127287354951394E-10 1.885634921454872E-8 1.767628062996489E-11
node -6.775627250144114E-15 1.762345867703771E-14 1.127287354951394E-10 5.736148203027262E-9 -5.692670464345306E-9 6.91193003272201E-11
peri -1.814952815846818E-12 5.221495078460407E-12 1.885634921454872E-8 -5.692670464345306E-9 9.793644943871675E-9 -6.495326789182739E-11
i -3.399368392792287E-15 9.657554437615357E-15 1.767628062996489E-11 6.91193003272201E-11 -6.495326789182739E-11 3.908079525377614E-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 17.04   n/a MPCxxxxx  

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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