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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063968340578888 3.6542e-08  
a 2.312647011890159 8.901e-09 au
q 2.066588691531609 8.688e-08 au
i 7.985778767704971 4.1021e-06 deg
node 121.3373928127137 2.9463e-05 deg
peri 156.4974750259752 3.7195e-05 deg
M 317.198876721547 2.1081e-05 deg
tp 2459549.226752645691
(2021-Nov-30.72675265)
7.5249e-05 TDB
period 1284.583831941804
3.52
7.4162e-06
2.03e-08
d
yr
n .2802464043594698 1.6179e-09 deg/d
Q 2.558705332248708 9.848e-09 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      2000-04-28  
   last obs. used      2021-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:37:45  

Additional Information
 Earth MOID = 1.0525 au 
 Jupiter MOID = 2.55564 au 
 T_jup = 3.563 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.23   n/a MPO637229  
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

Alternate Designations
 2003 CH20 = 2000 KR83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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