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JPL Small-Body Database Browser
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15445 (1998 XE)
Classification: Main-belt Asteroid          SPK-ID: 2015445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781691562120715 4.0185e-08  
a 2.665191050672825 1.1688e-08 au
q 2.190336210030483 1.1053e-07 au
i 13.11717936225147 4.2429e-06 deg
node 84.17473991620776 1.8232e-05 deg
peri 336.5563158915886 2.2073e-05 deg
M 32.21930760499152 1.0699e-05 deg
tp 2458858.265598808400
(2020-Jan-09.76559881)
4.7298e-05 TDB
period 1589.245338749716
4.35
1.0454e-05
2.862e-08
d
yr
n .2265226087013208 1.4901e-09 deg/d
Q 3.140045891315166 1.377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1519  
   data-arc span      23781 days (65.11 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:48:35  

Additional Information
 Earth MOID = 1.20997 au 
 Jupiter MOID = 2.18945 au 
 T_jup = 3.324 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO263485  
diameter diameter 12.170 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15445 (1998 XE)          Discovered 1998-Dec-01 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XE = 1958 TS = 1980 WZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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