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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06863742360269909 7.446e-08  
a 2.856678836053107 3.2456e-08 au
q 2.660603760686065 2.2089e-07 au
i 4.685901413596945 6.3696e-06 deg
node 281.8223590792078 9.6607e-05 deg
peri 121.2474837940133 0.00011479 deg
M 26.25596821002744 5.9281e-05 deg
tp 2458871.877753715358
(2020-Jan-23.37775372)
0.00029007 TDB
period 1763.561270796602
4.83
3.0055e-05
8.229e-08
d
yr
n .2041324029742317 3.4788e-09 deg/d
Q 3.05275391142015 3.4683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      5548 days (15.19 yr)  
   first obs. used      2004-08-20  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4797  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:50:24  

Additional Information
 Earth MOID = 1.6733 au 
 Jupiter MOID = 2.23379 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457496.5 (2016-Apr-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06694023370538296 7.5363e-08  
q 2.665539948909484 2.2297e-07 au
tp 2457097.256019164416
(2015-Mar-15.75601916)
0.00029448 TDB
node 282.0975614333922 9.675e-05 deg
peri 118.9265756078164 0.00011567 deg
i 4.68155939794429 6.3652e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      5548 days (15.19 yr)  
   first obs. used      2004-08-20  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4797  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:50:24  

Additional Information
 Jupiter MOID = 2.23379 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.679605038200653E-15 -1.665376222907552E-14 -8.577869644525931E-12 -5.097001451797972E-15 -2.006129804749604E-12 -5.420936429087068E-15
q -1.665376222907552E-14 4.971664607203634E-14 2.497888026412387E-11 1.684450321034763E-14 5.886589957425954E-12 1.76910468693545E-14
tp -8.577869644525931E-12 2.497888026412387E-11 8.672108334427016E-8 1.116085060370568E-10 1.874246532083894E-8 2.164512665239387E-11
node -5.097001451797972E-15 1.684450321034763E-14 1.116085060370568E-10 9.360485590039482E-9 -9.304478233577629E-9 7.669442425593651E-13
peri -2.006129804749604E-12 5.886589957425954E-12 1.874246532083894E-8 -9.304478233577629E-9 1.337895904738054E-8 4.00478449160262E-12
i -5.420936429087068E-15 1.76910468693545E-14 2.164512665239387E-11 7.669442425593651E-13 4.00478449160262E-12 4.051561182784349E-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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