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15494 (1999 CX123)
Classification: Main-belt Asteroid          SPK-ID: 2015494
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333969319906563 3.8505e-08  
a 2.665373842012141 1.2441e-08 au
q 2.309821148879573 1.0011e-07 au
i 15.10674681030504 4.375e-06 deg
node 45.82253366286352 1.4729e-05 deg
peri 309.7689850683247 2.1112e-05 deg
M 97.03345793030932 1.58e-05 deg
tp 2458572.094900949112
(2019-Mar-29.59490095)
6.9205e-05 TDB
period 1589.408838434744
4.35
1.1128e-05
3.047e-08
d
yr
n .2264993067199307 1.5858e-09 deg/d
Q 3.020926535144708 1.4101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1508  
   data-arc span      22363 days (61.23 yr)  
   first obs. used      1958-11-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:20:08  

Additional Information
 Earth MOID = 1.33786 au 
 Jupiter MOID = 2.50747 au 
 T_jup = 3.322 
[ 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 MPO502288  
diameter diameter 11.456 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15494 (1999 CX123)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CX123 = 1958 VO = 1984 US4 = 2000 GE107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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