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71137 (1999 XQ179)
Classification: Main-belt Asteroid          SPK-ID: 2071137
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101543879168503 4.2572e-08  
a 3.158514165949954 2.2053e-08 au
q 2.837786385130727 1.3192e-07 au
i 3.684051995721343 4.6796e-06 deg
node 28.73716623834104 6.8327e-05 deg
peri 179.9342765827239 7.1833e-05 deg
M 133.4986159471083 2.3559e-05 deg
tp 2458240.179092784041
(2018-May-01.67909278)
0.00013171 TDB
period 2050.324826634834
5.61
2.1473e-05
5.879e-08
d
yr
n .1755819347858468 1.8389e-09 deg/d
Q 3.479241946769181 2.4292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      7960 days (21.79 yr)  
   first obs. used      1998-10-15  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:32:18  

Additional Information
 Earth MOID = 1.83276 au 
 Jupiter MOID = 1.48232 au 
 T_jup = 3.194 
[ 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 14.3   n/a MPO359240  

71137 (1999 XQ179)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XQ179 = 1998 TQ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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