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201020 (2002 CG259)
Classification: Main-belt Asteroid          SPK-ID: 2201020
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2492435312341932 4.7764e-08  
a 2.387851775157668 1.1028e-08 au
q 1.792695166653534 1.1392e-07 au
i 13.33715289676954 4.5247e-06 deg
node 95.05960326412544 2.4666e-05 deg
peri 302.9775524488088 2.6374e-05 deg
M 72.98737556493769 9.3193e-06 deg
tp 2458727.253428826248
(2019-Aug-31.75342883)
3.4256e-05 TDB
period 1347.750413837405
3.69
9.3368e-06
2.556e-08
d
yr
n .2671117710696775 1.8505e-09 deg/d
Q 2.983008383661802 1.3777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      8087 days (22.14 yr)  
   first obs. used      1997-12-30  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:08:03  

Additional Information
 Earth MOID = .839174 au 
 Jupiter MOID = 2.50046 au 
 T_jup = 3.456 
[ 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 15.9   n/a MPO454422  
diameter diameter 2.152 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.152   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

201020 (2002 CG259)          Discovered 2002-Feb-06 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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