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74490 (1999 CS120)
Classification: Main-belt Asteroid          SPK-ID: 2074490
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185993572662427 4.9778e-08  
a 3.117752487502017 2.1986e-08 au
q 2.537870563674348 1.5734e-07 au
i 17.09033236617172 5.6813e-06 deg
node 73.48823810911824 1.6481e-05 deg
peri 99.62159380558496 2.3887e-05 deg
M 282.2910846557568 1.5725e-05 deg
tp 2459434.539470354381
(2021-Aug-08.03947035)
8.944e-05 TDB
period 2010.762968899844
5.51
2.127e-05
5.823e-08
d
yr
n .1790365177636865 1.8938e-09 deg/d
Q 3.697634411329686 2.6076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      1998-12-21  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:08  

Additional Information
 Earth MOID = 1.60922 au 
 Jupiter MOID = 1.6205 au 
 T_jup = 3.123 
[ 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 13.8   n/a MPO453158  
diameter diameter 4.764 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.340   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74490 (1999 CS120)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CS120 = 2000 JE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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