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233891 (2008 XA54)
Classification: Outer Main-belt Asteroid          SPK-ID: 2233891
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07648585654699168 4.7272e-08  
a 3.245894099971735 3.5355e-08 au
q 2.99762910947457 1.5072e-07 au
i 3.037501369931076 7.1075e-06 deg
node 169.7618975419788 0.00010961 deg
peri 138.5100221443228 0.00012054 deg
M 109.4827067334788 4.9372e-05 deg
tp 2458350.904553792680
(2018-Aug-20.40455379)
0.00029452 TDB
period 2135.993597636589
5.85
3.4898e-05
9.555e-08
d
yr
n .168539831017438 2.7536e-09 deg/d
Q 3.4941590904689 3.8059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      8865 days (24.27 yr)  
   first obs. used      1995-09-20  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:06  

Additional Information
 Earth MOID = 1.98387 au 
 Jupiter MOID = 1.70605 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 15.8   n/a MPO454692  

233891 (2008 XA54)          Discovered 2008-Dec-01 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 XA54 = 1995 SH75 = 2001 SF192 = 2005 EF216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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