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413346 (2003 XB21)
Classification: Main-belt Asteroid          SPK-ID: 2413346
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933549792933612 9.9184e-08  
a 3.093735280894176 3.7426e-08 au
q 2.495546159717742 3.2782e-07 au
i 28.82692669296109 9.132e-06 deg
node 98.22477081542188 1.1169e-05 deg
peri 323.8437250081963 2.3371e-05 deg
M 34.18721259473755 1.5393e-05 deg
tp 2458811.751137154532
(2019-Nov-24.25113715)
8.5667e-05 TDB
period 1987.573290336867
5.44
3.6067e-05
9.875e-08
d
yr
n .1811253963565715 3.2867e-09 deg/d
Q 3.69192440207061 4.4663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      5887 days (16.12 yr)  
   first obs. used      2003-12-14  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 06:59:16  

Additional Information
 Earth MOID = 1.54942 au 
 Jupiter MOID = 1.67373 au 
 T_jup = 3.007 
[ 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 15.4   n/a MPO419032  

413346 (2003 XB21)          Discovered 2003-Dec-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2003 XB21 = 2010 JV123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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