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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013217793853377 6.3427e-08  
a 2.722705954281881 1.7231e-08 au
q 2.174565946822799 1.7052e-07 au
i 8.741190945341282 8.0585e-06 deg
node 343.5547200277634 3.5498e-05 deg
peri 57.24952450903375 3.9409e-05 deg
M 226.8377584160102 1.9957e-05 deg
tp 2459607.485246278927
(2022-Jan-27.98524628)
9.4783e-05 TDB
period 1640.965832815224
4.49
1.5577e-05
4.265e-08
d
yr
n .2193829955510943 2.0826e-09 deg/d
Q 3.270845961740964 2.07e-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 = 1.19627 au 
 Jupiter MOID = 2.24396 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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