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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537434687636957 3.3965e-08  
a 2.563359987509489 1.2519e-08 au
q 2.169260131339717 8.5472e-08 au
i 9.295199949254483 8.5607e-06 deg
node 169.1272450469814 2.0727e-05 deg
peri 288.2858060430354 4.4199e-05 deg
M 235.4066859648296 3.6261e-05 deg
tp 2459119.306089813042
(2020-Sep-26.80608981)
0.00015253 TDB
period 1499.038642474614
4.10
1.0982e-05
3.007e-08
d
yr
n .2401539158495019 1.7594e-09 deg/d
Q 2.957459843679262 1.4444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      7285 days (19.95 yr)  
   first obs. used      1999-10-08  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58322  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:39:45  

Additional Information
 Earth MOID = 1.20696 au 
 Jupiter MOID = 2.24643 au 
 T_jup = 3.399 
[ 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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