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173337 (1999 XZ11)
Classification: Main-belt Asteroid          SPK-ID: 2173337
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345749304754452 5.6056e-08  
a 2.412251693515051 1.4307e-08 au
q 2.087623089570988 1.3509e-07 au
i 5.987148870556753 4.945e-06 deg
node 313.7510639830537 5.631e-05 deg
peri 88.08848490351446 5.9301e-05 deg
M 179.1093337357406 2.0879e-05 deg
tp 2458319.655279060035
(2018-Jul-20.15527906)
7.6292e-05 TDB
period 1368.460785522301
3.75
1.2175e-05
3.333e-08
d
yr
n .2630692847092426 2.3404e-09 deg/d
Q 2.736880297459113 1.6233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:27:07  

Additional Information
 Earth MOID = 1.10617 au 
 Jupiter MOID = 2.65852 au 
 T_jup = 3.499 
[ 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 16.0   n/a MPO417934  

173337 (1999 XZ11)          Discovered 1999-Dec-06 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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