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233808 (2008 UD145)
Classification: Main-belt Asteroid          SPK-ID: 2233808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .05841791460107123 6.9682e-08  
a 2.675831497668389 2.7244e-08 au
q 2.519515001750741 1.8651e-07 au
i 2.283026696026991 6.1594e-06 deg
node 86.97853407850552 0.00017694 deg
peri 140.0678899827502 0.00018303 deg
M 55.48279789728574 4.5829e-05 deg
tp 2458754.099024922156
(2019-Sep-27.59902492)
0.00020338 TDB
period 1598.772130998885
4.38
2.4417e-05
6.685e-08
d
yr
n .2251728016894305 3.439e-09 deg/d
Q 2.832147993586038 2.8836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6627 days (18.14 yr)  
   first obs. used      2001-02-17  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56099  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:24:13  

Additional Information
 Earth MOID = 1.50993 au 
 Jupiter MOID = 2.14048 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO433527  

233808 (2008 UD145)          Discovered 2008-Oct-23 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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