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385420 (2003 CT21)
Classification: Main-belt Asteroid          SPK-ID: 2385420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159846718856966 6.8968e-08  
a 3.066163003086926 3.9668e-08 au
q 2.57604690756286 2.2434e-07 au
i 27.07677668022154 6.93e-06 deg
node 138.569956189301 1.6371e-05 deg
peri 89.26813752843799 3.4762e-05 deg
M 41.852109897144 2.4778e-05 deg
tp 2458972.515069466402
(2020-May-03.01506947)
0.00013688 TDB
period 1961.061824452872
5.37
3.8057e-05
1.042e-07
d
yr
n .1835740186826789 3.5625e-09 deg/d
Q 3.556279098610992 4.6009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6383 days (17.48 yr)  
   first obs. used      2003-01-27  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:20  

Additional Information
 Earth MOID = 1.73629 au 
 Jupiter MOID = 1.90706 au 
 T_jup = 3.046 
[ 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 15.88   n/a E2021B25  
diameter diameter 5.177 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

385420 (2003 CT21)          Discovered 2003-Feb-02 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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