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452668 (2005 WQ92)
Classification: Main-belt Asteroid          SPK-ID: 2452668
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05915050203279484 8.0661e-08  
a 2.925242416098045 5.2878e-08 au
q 2.75221285861822 2.1882e-07 au
i 10.06600592508811 8.5369e-06 deg
node 247.4227333912169 3.9025e-05 deg
peri 333.5101693663084 8.1147e-05 deg
M 175.7269588106257 7.2396e-05 deg
tp 2458108.474823073500
(2017-Dec-20.97482307)
0.00037178 TDB
period 1827.431976670175
5.00
4.955e-05
1.357e-07
d
yr
n .1969977567405644 5.3415e-09 deg/d
Q 3.09827197357787 5.6005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6939 days (19.00 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:38:21  

Additional Information
 Earth MOID = 1.74618 au 
 Jupiter MOID = 1.92186 au 
 T_jup = 3.253 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05952772948626692 8.0576e-08  
q 2.75089237275587 2.1924e-07 au
tp 2458118.025081936372
(2017-Dec-30.52508194)
0.00036919 TDB
node 247.4776429721679 3.9091e-05 deg
peri 335.460746218382 8.0837e-05 deg
i 10.05624584583735 8.5307e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6939 days (19.00 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:38:21  

Additional Information
 Jupiter MOID = 1.92186 au 
 T_jup = 3.253 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.492424680540474E-15 -1.728402732092284E-14 4.692315940079817E-13 2.702939392554269E-15 3.309248999310517E-15 8.859006175955476E-15
q -1.728402732092284E-14 4.806774761357971E-14 -5.759415540673278E-12 -1.034246180277228E-14 -1.016175861827157E-12 -1.727665445904375E-14
tp 4.692315940079817E-13 -5.759415540673278E-12 1.363033804173334E-7 -5.019272873498253E-11 2.614267487910327E-8 -1.4885568159843E-11
node 2.702939392554269E-15 -1.034246180277228E-14 -5.019272873498253E-11 1.528144224359405E-9 -1.513109054972369E-9 1.805832810060871E-11
peri 3.309248999310517E-15 -1.016175861827157E-12 2.614267487910327E-8 -1.513109054972369E-9 6.53458061722587E-9 -2.111448619831124E-11
i 8.859006175955476E-15 -1.727665445904375E-14 -1.4885568159843E-11 1.805832810060871E-11 -2.111448619831124E-11 7.277328875553704E-11

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 16.6   n/a MPO437750  

452668 (2005 WQ92)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-01-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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