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JPL Small-Body Database Browser
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71175 (1999 XS212)
Classification: Main-belt Asteroid          SPK-ID: 2071175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1539286742652572 3.382e-08  
a 2.563799169700177 1.2306e-08 au
q 2.169156962425861 8.5197e-08 au
i 9.294777941376962 8.5537e-06 deg
node 169.124046147567 1.9936e-05 deg
peri 288.2281068960733 4.3089e-05 deg
M 331.5367816643368 3.6e-05 deg
tp 2459119.051194477817
(2020-Sep-26.55119448)
0.00015034 TDB
period 1499.423905923522
4.11
1.0796e-05
2.956e-08
d
yr
n .2400922104668389 1.7287e-09 deg/d
Q 2.958441376974493 1.4201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      7328 days (20.06 yr)  
   first obs. used      1999-10-08  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57625  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:24:56  

Additional Information
 Earth MOID = 1.20674 au 
 Jupiter MOID = 2.24462 au 
 T_jup = 3.398 
[ 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 15.2   n/a MPO453117  

71175 (1999 XS212)          Discovered 1999-Dec-14 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XS212 = 2001 FG22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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