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JPL Small-Body Database Browser
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71173 (1999 XA209)
Classification: Main-belt Asteroid          SPK-ID: 2071173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020745483804694 6.3204e-08  
a 2.720886021875465 1.7512e-08 au
q 2.171064207810248 1.694e-07 au
i 8.743208175250432 8.0613e-06 deg
node 343.5873274723863 3.5499e-05 deg
peri 57.31944284139557 3.9384e-05 deg
M 138.8981789088332 1.9383e-05 deg
tp 2457968.003681292315
(2017-Aug-02.50368129)
8.479e-05 TDB
period 1639.320806964778
4.49
1.5826e-05
4.333e-08
d
yr
n .2196031420271816 2.1201e-09 deg/d
Q 3.270707835940681 2.1051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1996-01-15  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53765  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:33  

Additional Information
 Earth MOID = 1.19225 au 
 Jupiter MOID = 2.24203 au 
 T_jup = 3.312 
[ 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 15.1   n/a MPO385267  

71173 (1999 XA209)          Discovered 1999-Dec-13 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XA209 = 2001 FV115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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