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JPL Small-Body Database Browser
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15479 (1999 CH9)
Classification: Main-belt Asteroid          SPK-ID: 2015479
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896914088281176 3.9036e-08  
a 2.402636375009529 9.2669e-09 au
q 1.94687689613229 9.4491e-08 au
i 9.348011066239645 5.293e-06 deg
node 191.1089666047366 2.1816e-05 deg
peri 214.6407401874881 2.5217e-05 deg
M 321.3334354878148 1.43e-05 deg
tp 2459146.604497524962
(2020-Oct-24.10449752)		 5.4452e-05 TDB
period 1360.286846596133
3.72		 7.8698e-06
2.155e-08		 d
yr
n .2646500632574914 1.5311e-09 deg/d
Q 2.858395853886768 1.1025e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      10123 days (27.72 yr)  
   first obs. used      1990-09-16  
   last obs. used      2018-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53317  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:31:05  

Additional Information
 Earth MOID = .962857 au 
 Jupiter MOID = 2.56827 au 
 T_jup = 3.482 
[ 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 14.5   n/a MPO296262  
diameter diameter 6.401 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15479 (1999 CH9)          Discovered 1999-Feb-08 by Kawasato, N. at Uenohara
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CH9 = 1990 SV25 = 1990 SW27 = 1990 SX20 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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