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90274 (2003 CH20)
Classification: Main-belt Asteroid          SPK-ID: 2090274
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064132436951763 4.402e-08  
a 2.313253386859082 1.0339e-08 au
q 2.067092590474555 1.013e-07 au
i 7.985698960772853 5.1803e-06 deg
node 121.3379615074824 2.9835e-05 deg
peri 156.3340365312856 3.7499e-05 deg
M 206.417981879918 2.1344e-05 deg
tp 2459548.740489047172
(2021-Nov-30.24048905)
7.6532e-05 TDB
period 1285.089090981119
3.52
8.6152e-06
2.359e-08
d
yr
n .2801362197582373 1.878e-09 deg/d
Q 2.559414183243609 1.1439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7191 days (19.69 yr)  
   first obs. used      2000-04-28  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 13:54:45  

Additional Information
 Earth MOID = 1.05328 au 
 Jupiter MOID = 2.55672 au 
 T_jup = 3.562 
[ 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 16.1   n/a MPO412702  
diameter diameter 2.381 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90274 (2003 CH20)          Discovered 2003-Feb-09 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 CH20 = 2000 KR83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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