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JPL Small-Body Database Browser
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71118 (1999 XH159)
Classification: Main-belt Asteroid          SPK-ID: 2071118
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199762048444503 4.5726e-08  
a 2.671580725650567 1.8989e-08 au
q 2.351054609251429 1.2174e-07 au
i 12.79095916122099 5.3766e-06 deg
node 104.3980282057841 2.2917e-05 deg
peri 11.26485584422456 3.1733e-05 deg
M 138.1005266180265 2.3542e-05 deg
tp 2457988.651762835260
(2017-Aug-23.15176284)
0.00010231 TDB
period 1594.96397858453
4.37
1.7005e-05
4.656e-08
d
yr
n .2257104265887473 2.4064e-09 deg/d
Q 2.992106842049705 2.1267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      1999-12-08  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59105  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 15:18:41  

Additional Information
 Earth MOID = 1.36907 au 
 Jupiter MOID = 2.1291 au 
 T_jup = 3.335 
[ 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 15.0   n/a MPO439543  

71118 (1999 XH159)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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