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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897786498985756 3.3571e-08  
a 2.402832310941663 6.1325e-09 au
q 1.94682603903848 7.9602e-08 au
i 9.347809478542253 3.475e-06 deg
node 191.1081029944669 1.7888e-05 deg
peri 214.6638671969588 1.9889e-05 deg
M 14.24755492539552 7.0897e-06 deg
tp 2459146.657965631985
(2020-Oct-24.15796563)
2.6834e-05 TDB
period 1360.453247871734
3.72
5.2082e-06
1.426e-08
d
yr
n .2646176930836667 1.013e-09 deg/d
Q 2.858838582844847 7.2963e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1841  
   data-arc span      11127 days (30.46 yr)  
   first obs. used      1990-09-16  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46333  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:45  

Additional Information
 Earth MOID = .961832 au 
 Jupiter MOID = 2.56881 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 14.56   n/a E2021B10  
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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