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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782532944164998 1.2461e-08  
a 2.665130781657889 1.0192e-08 au
q 2.190062439776549 3.3903e-08 au
i 13.11653630395316 9.5277e-07 deg
node 84.17126649940322 4.3381e-06 deg
peri 336.5306726716323 9.1079e-06 deg
M 77.54107194549803 5.6823e-06 deg
tp 2458858.201091274271
(2020-Jan-09.70109127)
2.4793e-05 TDB
period 1589.191431708301
4.35
9.1161e-06
2.496e-08
d
yr
n .2265302925859713 1.2995e-09 deg/d
Q 3.140199123539229 1.2009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1930  
   data-arc span      24214 days (66.29 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:58:42  

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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