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JPL Small-Body Database Browser
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173345 (1999 XE71)
Classification: Main-belt Asteroid          SPK-ID: 2173345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082709720046777 8.1978e-08  
a 2.651135134018978 1.5655e-08 au
q 2.098980642741094 2.1655e-07 au
i 8.212752117279429 9.2615e-06 deg
node 241.8421297074481 4.1369e-05 deg
peri 154.6243195200129 4.4493e-05 deg
M 204.1153248759348 1.4656e-05 deg
tp 2459283.227106536561
(2021-Mar-09.72710654)
6.6856e-05 TDB
period 1576.689678812556
4.32
1.3965e-05
3.823e-08
d
yr
n .228326477199448 2.0224e-09 deg/d
Q 3.203289625296863 1.8915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:41:56  

Additional Information
 Earth MOID = 1.10941 au 
 Jupiter MOID = 2.23033 au 
 T_jup = 3.345 
[ 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 15.7   n/a MPO396380  

173345 (1999 XE71)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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