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JPL Small-Body Database Browser
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212908 (2007 XD8)
Classification: Main-belt Asteroid          SPK-ID: 2212908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0551430542784007 5.4303e-08  
a 3.055603353597188 3.7898e-08 au
q 2.887108052016515 1.6775e-07 au
i 1.801634691169962 7.02e-06 deg
node 215.4931548361358 0.00019506 deg
peri 295.2456115545422 0.00020594 deg
M 338.7718396868688 6.5626e-05 deg
tp 2458715.541292347617
(2019-Aug-20.04129235)
0.00035597 TDB
period 1950.939913503664
5.34
3.6296e-05
9.937e-08
d
yr
n .1845264415926994 3.433e-09 deg/d
Q 3.224098655177861 3.9988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1996-11-10  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:03:40  

Additional Information
 Earth MOID = 1.89878 au 
 Jupiter MOID = 1.76751 au 
 T_jup = 3.232 
[ 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 16.2   n/a MPO427253  

212908 (2007 XD8)          Discovered 2007-Dec-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 XD8 = 1996 VB25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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