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136357 (2004 CX121)
Classification: Main-belt Asteroid          SPK-ID: 2136357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13128409890606 6.2969e-08  
a 2.647159675399657 1.7498e-08 au
q 2.299629702754355 1.7129e-07 au
i 4.692057977561615 4.3984e-06 deg
node 121.3945974890099 7.5664e-05 deg
peri 250.4492489369329 7.854e-05 deg
M 47.51510915650114 1.7885e-05 deg
tp 2458792.866289429593
(2019-Nov-05.36628943)
7.84e-05 TDB
period 1573.144566692413
4.31
1.5598e-05
4.27e-08
d
yr
n .2288410153918095 2.2689e-09 deg/d
Q 2.994689648044959 1.9795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      9180 days (25.13 yr)  
   first obs. used      1994-12-08  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:39:53  

Additional Information
 Earth MOID = 1.30458 au 
 Jupiter MOID = 2.47729 au 
 T_jup = 3.375 
[ show covariance matrix ]

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 16.3   n/a MPO449765  

136357 (2004 CX121)          Discovered 2004-Feb-12 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2004 CX121 = 2005 KR12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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