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183670 (2003 WG138)
Classification: Main-belt Asteroid          SPK-ID: 2183670
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09250038844583817 5.0152e-08  
a 2.266447441366432 1.4733e-08 au
q 2.056800172647961 1.0965e-07 au
i 6.777855319210254 5.4203e-06 deg
node 262.1856719000053 5.9644e-05 deg
peri 187.1224939484269 7.3428e-05 deg
M 287.6010043277636 4.2844e-05 deg
tp 2459251.138017194817
(2021-Feb-05.63801719)
0.00014892 TDB
period 1246.283672202037
3.41
1.2152e-05
3.327e-08
d
yr
n .2888587951761595 2.8166e-09 deg/d
Q 2.476094710084903 1.6096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      6293 days (17.23 yr)  
   first obs. used      2001-02-22  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:39:57  

Additional Information
 Earth MOID = 1.0734 au 
 Jupiter MOID = 2.68483 au 
 T_jup = 3.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09261949040953801 5.0129e-08  
q 2.057391361864912 1.0971e-07 au
tp 2456755.957636015736
(2014-Apr-08.45763602)
0.00014451 TDB
node 262.2323935348114 5.9653e-05 deg
peri 186.6233760063112 7.3419e-05 deg
i 6.776257380317645 5.4206e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      6293 days (17.23 yr)  
   first obs. used      2001-02-22  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:39:57  

Additional Information
 Jupiter MOID = 2.68483 au 
 T_jup = 3.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.512911471806948E-15 -5.463691135121142E-15 -1.884258515029077E-13 1.400827471424723E-14 -1.140616789418792E-13 -2.81182153320353E-15
q -5.463691135121142E-15 1.203674965822902E-14 6.19716006299733E-13 -2.791126675869372E-14 3.089856566429499E-13 6.470639082273995E-15
tp -1.884258515029077E-13 6.19716006299733E-13 2.088251227106862E-8 8.645717832918321E-11 6.237345669438548E-9 -5.931082542935603E-12
node 1.400827471424723E-14 -2.791126675869372E-14 8.645717832918321E-11 3.558470892080266E-9 -3.506828484106324E-9 -4.225395787377533E-11
peri -1.140616789418792E-13 3.089856566429499E-13 6.237345669438548E-9 -3.506828484106324E-9 5.390341939248629E-9 4.010051307969615E-11
i -2.81182153320353E-15 6.470639082273995E-15 -5.931082542935603E-12 -4.225395787377533E-11 4.010051307969615E-11 2.938285845322148E-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 16.6   n/a MPO440026  

183670 (2003 WG138)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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