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233888 (2008 XZ22)
Classification: Main-belt Asteroid          SPK-ID: 2233888
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08214548374377563 6.6649e-08  
a 2.675051419904865 2.5244e-08 au
q 2.455308026977306 1.8435e-07 au
i 2.483695943550649 7.3661e-06 deg
node 175.1416223230312 0.00011782 deg
peri 215.5168783776865 0.0001225 deg
M 258.5514188841809 3.7562e-05 deg
tp 2459450.839566108946
(2021-Aug-24.33956611)
0.0001707 TDB
period 1598.073053521895
4.38
2.2621e-05
6.193e-08
d
yr
n .2252713035906701 3.1887e-09 deg/d
Q 2.894794812832425 2.7317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1997-04-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:25:05  

Additional Information
 Earth MOID = 1.4609 au 
 Jupiter MOID = 2.4615 au 
 T_jup = 3.373 
[ 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 MPO475907  

233888 (2008 XZ22)          Discovered 2008-Dec-03 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 XZ22 = 2003 SV166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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