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212911 (2007 XG22)
Classification: Main-belt Asteroid          SPK-ID: 2212911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2737456077891338 4.7544e-08  
a 3.059313869796674 2.5899e-08 au
q 2.221840135091457 1.4333e-07 au
i 1.052000041928398 7.1568e-06 deg
node 348.4730044782975 0.00028586 deg
peri 64.80589290357359 0.0002864 deg
M 133.7329846012176 1.4943e-05 deg
tp 2458274.443334641531
(2018-Jun-04.94333464)
7.6044e-05 TDB
period 1954.494624557036
5.35
2.4819e-05
6.795e-08
d
yr
n .1841908365859997 2.3389e-09 deg/d
Q 3.896787604501892 3.2988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      8586 days (23.51 yr)  
   first obs. used      1996-10-19  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:51:17  

Additional Information
 Earth MOID = 1.23336 au 
 Jupiter MOID = 1.49317 au 
 T_jup = 3.176 
[ 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 16.3   n/a MPO470284  

212911 (2007 XG22)          Discovered 2007-Dec-10 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 XG22 = 2001 ST334 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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