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187585 (2006 WC82)
Classification: Main-belt Asteroid          SPK-ID: 2187585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09729373436244845 4.0716e-08  
a 2.616226574196243 1.7967e-08 au
q 2.361684120854415 1.0439e-07 au
i 3.539718962146321 5.4581e-06 deg
node 110.2789695174297 8.7031e-05 deg
peri 320.8118652557305 9.7179e-05 deg
M 113.87725928441 4.0953e-05 deg
tp 2458711.570815420972
(2019-Aug-16.07081542)
0.00017474 TDB
period 1545.651059346725
4.23
1.5922e-05
4.359e-08
d
yr
n .2329115603570674 2.3993e-09 deg/d
Q 2.870769027538071 1.9715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      6315 days (17.29 yr)  
   first obs. used      2003-01-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:02  

Additional Information
 Earth MOID = 1.37704 au 
 Jupiter MOID = 2.34903 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457114.5 (2015-Apr-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09524565134964 4.0566e-08  
q 2.367338111967222 1.0371e-07 au
tp 2457165.830803199238
(2015-May-23.33080320)
0.0001774 TDB
node 110.3526852404046 8.6993e-05 deg
peri 320.9705736795513 9.7657e-05 deg
i 3.540230238897505 5.4605e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      6315 days (17.29 yr)  
   first obs. used      2003-01-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:02  

Additional Information
 Jupiter MOID = 2.34903 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.645594603266242E-15 -4.157889196563394E-15 -1.522076724032973E-13 -5.568470260518768E-15 -5.964451041013616E-14 -1.017634953050564E-15
q -4.157889196563394E-15 1.075654058949308E-14 7.07862908148513E-13 1.362622915599345E-14 2.286266466306552E-13 2.987734017148049E-15
tp -1.522076724032973E-13 7.07862908148513E-13 3.146958871796093E-8 5.315863809787672E-11 7.903526552246884E-9 8.462183459902313E-12
node -5.568470260518768E-15 1.362622915599345E-14 5.315863809787672E-11 7.567716080164549E-9 -7.539259481742695E-9 1.445504314997091E-10
peri -5.964451041013616E-14 2.286266466306552E-13 7.903526552246884E-9 -7.539259481742695E-9 9.536961083798639E-9 -1.421118405166643E-10
i -1.017634953050564E-15 2.987734017148049E-15 8.462183459902313E-12 1.445504314997091E-10 -1.421118405166643E-10 2.981685665617701E-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 16.45   n/a E2021B55  

187585 (2006 WC82)          Discovered 2006-Nov-18 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2006 WC82 = 2003 AW25 = 2005 NG81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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