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JPL Small-Body Database Browser
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212946 (2008 YU145)
Classification: Main-belt Asteroid          SPK-ID: 2212946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738446644996645 5.995e-08  
a 3.106451149419557 4.4446e-08 au
q 2.566411191564117 1.9959e-07 au
i 1.755892126776878 7.1569e-06 deg
node 142.8823147425619 0.00023819 deg
peri 309.8804254521192 0.00023962 deg
M 338.7741172806902 2.7561e-05 deg
tp 2458718.412128491908
(2019-Aug-22.91212849)
0.00015467 TDB
period 1999.839856764612
5.48
4.2919e-05
1.175e-07
d
yr
n .1800144140453408 3.8633e-09 deg/d
Q 3.646491107274997 5.2172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      5807 days (15.90 yr)  
   first obs. used      2002-11-24  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62403  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:52:09  

Additional Information
 Earth MOID = 1.5836 au 
 Jupiter MOID = 1.55289 au 
 T_jup = 3.196 
[ 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 MPO418140  

212946 (2008 YU145)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2008 YU145 = 2002 XZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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