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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896914212998602 3.6931e-08  
a 2.402636375894442 8.365e-09 au
q 1.94687686688428 8.9631e-08 au
i 9.348014703379205 4.6747e-06 deg
node 191.1089658762472 2.1013e-05 deg
peri 214.6407571724624 2.3809e-05 deg
M 321.3334220620414 1.2716e-05 deg
tp 2459146.604548335966
(2020-Oct-24.10454834)
4.841e-05 TDB
period 1360.286847347642
3.72
7.1039e-06
1.945e-08
d
yr
n .2646500631112818 1.3821e-09 deg/d
Q 2.858395884904605 9.9517e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1257  
   data-arc span      10912 days (29.88 yr)  
   first obs. used      1990-09-16  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:59:38  

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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