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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782533034153868 3.842e-08  
a 2.665130776947541 1.1206e-08 au
q 2.190062411922625 1.0515e-07 au
i 13.11653257480468 4.0967e-06 deg
node 84.17127113562994 1.7718e-05 deg
peri 336.5306783641632 2.1476e-05 deg
M 77.54106478452798 1.048e-05 deg
tp 2458858.201123793273
(2020-Jan-09.70112379)		 4.6372e-05 TDB
period 1589.191427495199
4.35		 1.0023e-05
2.744e-08		 d
yr
n .2265302931865253 1.4287e-09 deg/d
Q 3.140199141972456 1.3203e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      24167 days (66.17 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48015  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:24:01  

Additional Information
 Earth MOID = 1.20912 au 
 Jupiter MOID = 2.19006 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 13.58   n/a E2021B10  
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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