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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863403791895004 4.9807e-08  
a 3.116635289271627 2.2155e-08 au
q 2.535880287673374 1.573e-07 au
i 17.09189476285103 5.6929e-06 deg
node 73.48546088181011 1.6789e-05 deg
peri 99.70707987296018 2.4384e-05 deg
M 210.5908818146638 1.5612e-05 deg
tp 2459434.569046841623
(2021-Aug-08.06904684)
8.9866e-05 TDB
period 2009.682277158729
5.50
2.1429e-05
5.867e-08
d
yr
n .1791327933234127 1.9101e-09 deg/d
Q 3.697390290869881 2.6284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      7644 days (20.93 yr)  
   first obs. used      1998-12-21  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53951  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:47:49  

Additional Information
 Earth MOID = 1.6076 au 
 Jupiter MOID = 1.6212 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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