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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0591367596891739 5.7024e-08  
a 2.67293887891089 2.3879e-08 au
q 2.514869934764886 1.4669e-07 au
i 2.28232982054793 5.4063e-06 deg
node 86.95203496345634 0.00014863 deg
peri 139.0149333353764 0.00015563 deg
M 145.7500521375066 4.4687e-05 deg
tp 2458750.268405643600
(2019-Sep-23.76840564)
0.00019819 TDB
period 1596.180382486716
4.37
2.1389e-05
5.856e-08
d
yr
n .225538419059599 3.0223e-09 deg/d
Q 2.831007823056893 2.5291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      2001-02-17  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5564  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:04:59  

Additional Information
 Earth MOID = 1.50601 au 
 Jupiter MOID = 2.13845 au 
 T_jup = 3.376 
[ 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 16.73   n/a E2021B55  

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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