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JPL Small-Body Database Browser
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71210 (1999 XE256)
Classification: Main-belt Asteroid          SPK-ID: 2071210
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05781572982527933 5.9639e-08  
a 2.766079132516102 1.6545e-08 au
q 2.606156248715209 1.6229e-07 au
i 5.647898549201652 6.3192e-06 deg
node 197.3776565930625 4.2976e-05 deg
peri 209.5466840377634 6.7034e-05 deg
M 104.5772130522629 4.8628e-05 deg
tp 2458112.376304654761
(2017-Dec-24.87630465)
0.0002275 TDB
period 1680.332887016858
4.60
1.5076e-05
4.128e-08
d
yr
n .2142432626187053 1.9222e-09 deg/d
Q 2.926002016316996 1.7501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      9853 days (26.98 yr)  
   first obs. used      1992-04-09  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54805  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:25:12  

Additional Information
 Earth MOID = 1.61605 au 
 Jupiter MOID = 2.31355 au 
 T_jup = 3.330 
[ 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 15.1   n/a MPO337799  

71210 (1999 XE256)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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