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65487 (2003 CD20)
Classification: Main-belt Asteroid          SPK-ID: 2065487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061123213572816 8.2402e-08  
a 2.558139689548766 1.3783e-08 au
q 2.286689548734551 2.1696e-07 au
i 15.62328612539199 5.8688e-06 deg
node 165.7404866793279 1.408e-05 deg
peri 23.84934571035258 2.4051e-05 deg
M 71.24213223505072 2.2476e-05 deg
tp 2458704.753768762455
(2019-Aug-09.25376876)
9.2087e-05 TDB
period 1494.461772904859
4.09
1.2078e-05
3.307e-08
d
yr
n .240889400135174 1.9469e-09 deg/d
Q 2.829589830362982 1.5246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      9722 days (26.62 yr)  
   first obs. used      1992-10-01  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:40:35  

Additional Information
 Earth MOID = 1.29677 au 
 Jupiter MOID = 2.14164 au 
 T_jup = 3.377 
[ 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 15.2   n/a MPO280158  
diameter diameter 2.953 km 0.827 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65487 (2003 CD20)          Discovered 2003-Feb-09 by Michelsen, R., Masi, G. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 CD20 = 1999 GH45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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