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JPL Small-Body Database Browser
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71186 (1999 XX222)
Classification: Main-belt Asteroid          SPK-ID: 2071186
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05747290695384659 6.6442e-08  
a 3.096948251138337 2.7343e-08 au
q 2.918957632459785 2.0355e-07 au
i 10.49659197861538 7.8971e-06 deg
node 333.1161038915875 2.5287e-05 deg
peri 167.4274448119118 5.496e-05 deg
M 161.6289632756934 5.0847e-05 deg
tp 2457706.750038385776
(2016-Nov-14.25003839)
0.00027661 TDB
period 1990.670357962427
5.45
2.6364e-05
7.218e-08
d
yr
n .1808436030405768 2.395e-09 deg/d
Q 3.274938869816888 2.8915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      8986 days (24.60 yr)  
   first obs. used      1995-01-29  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5899  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:39:48  

Additional Information
 Earth MOID = 1.93267 au 
 Jupiter MOID = 1.737 au 
 T_jup = 3.195 
[ 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 MPO449449  

71186 (1999 XX222)          Discovered 1999-Dec-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XX222 = 1995 BC11 = 2001 FH150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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