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134179 (2005 CW21)
Classification: Main-belt Asteroid          SPK-ID: 2134179
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01900174236947515 5.0934e-08  
a 3.015474078522962 2.9289e-08 au
q 2.958174816961038 1.6022e-07 au
i 1.311325174665269 4.5191e-06 deg
node 280.5077186677879 0.00030051 deg
peri 218.3088522594879 0.00034539 deg
M 332.8971912593004 0.00016885 deg
tp 2459144.493744601169
(2020-Oct-21.99374460)		 0.00089715 TDB
period 1912.633799410518
5.24		 2.7865e-05
7.629e-08		 d
yr
n .1882221260081012 2.7422e-09 deg/d
Q 3.072773340084885 2.9845e-08 au
   Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8179 days (22.39 yr)  
   first obs. used      1997-09-06  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:27:40  

Additional Information
 Earth MOID = 1.97078 au 
 Jupiter MOID = 1.91006 au 
 T_jup = 3.247 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457031.5 (2015-Jan-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01908966468119904 5.4976e-08  
q 2.957183958982159 1.7268e-07 au
tp 2457281.231826556766
(2015-Sep-15.73182656)		 0.00082488 TDB
node 280.8407433212228 0.00029948 deg
peri 227.347133337606 0.00033791 deg
i 1.314265658957775 4.5272e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8179 days (22.39 yr)  
   first obs. used      1997-09-06  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:27:40  

Additional Information
 Jupiter MOID = 1.91006 au 
 T_jup = 3.247 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.022364913461392E-15 -9.364434512017672E-15 1.953568521737341E-11 -1.384263702341859E-14 3.73471753348218E-12 -5.159476109996044E-16
q -9.364434512017672E-15 2.981848084071915E-14 -5.92733819831474E-11 4.740873981112131E-14 -1.135676865670978E-11 1.816091468884914E-15
tp 1.953568521737341E-11 -5.92733819831474E-11 6.804217956761887E-7 -1.509557793340591E-11 1.291948993948334E-7 -7.750707170968583E-12
node -1.384263702341859E-14 4.740873981112131E-14 -1.509557793340591E-11 8.968612334852081E-8 -8.966444517733483E-8 1.351415812508195E-10
peri 3.73471753348218E-12 -1.135676865670978E-11 1.291948993948334E-7 -8.966444517733483E-8 1.141829213415175E-7 -1.365828426986038E-10
i -5.159476109996044E-16 1.816091468884914E-15 -7.750707170968583E-12 1.351415812508195E-10 -1.365828426986038E-10 2.049559405706577E-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 15.9   n/a MPO412857  

134179 (2005 CW21)          Discovered 2005-Feb-03 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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