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249328 (2008 UK325)
Classification: Main-belt Asteroid          SPK-ID: 2249328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243498464001133 4.3726e-08  
a 3.194939980694779 3.3837e-08 au
q 2.797649684837802 1.4132e-07 au
i 5.601097864862149 5.9698e-06 deg
node 42.48034862438205 5.3427e-05 deg
peri 260.0225214895676 5.889e-05 deg
M 152.2252547504521 2.538e-05 deg
tp 2458318.483536441841
(2018-Jul-18.98353644)
0.00014567 TDB
period 2085.895191316762
5.71
3.3137e-05
9.072e-08
d
yr
n .1725877702286388 2.7418e-09 deg/d
Q 3.592230276551756 3.8045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      7112 days (19.47 yr)  
   first obs. used      2001-07-19  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:46:19  

Additional Information
 Earth MOID = 1.78759 au 
 Jupiter MOID = 1.65483 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457363.5 (2015-Dec-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282127410655239 4.4104e-08  
q 2.783739420067038 1.4315e-07 au
tp 2458311.599279846404
(2018-Jul-12.09927985)
0.00014028 TDB
node 42.61747814486701 5.3637e-05 deg
peri 259.025080606739 5.8704e-05 deg
i 5.594812920977342 5.9592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      7112 days (19.47 yr)  
   first obs. used      2001-07-19  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:46:19  

Additional Information
 Jupiter MOID = 1.65483 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.945177747475261E-15 -6.179721740217161E-15 1.419654716525212E-12 -4.333497822940185E-16 2.219833317895482E-13 -3.269576997310529E-16
q -6.179721740217161E-15 2.049236075899496E-14 -4.210747595949166E-12 6.413194704787499E-15 -7.294435890764763E-13 1.346414097939218E-15
tp 1.419654716525212E-12 -4.210747595949166E-12 1.967949745132267E-8 -7.429508517238303E-12 3.363714967746847E-9 2.05750791702761E-12
node -4.333497822940185E-16 6.413194704787499E-15 -7.429508517238303E-12 2.876977595791648E-9 -2.864992715043378E-9 -8.440735729400633E-11
peri 2.219833317895482E-13 -7.294435890764763E-13 3.363714967746847E-9 -2.864992715043378E-9 3.446197107246145E-9 8.425352250444367E-11
i -3.269576997310529E-16 1.346414097939218E-15 2.05750791702761E-12 -8.440735729400633E-11 8.425352250444367E-11 3.551219018920934E-11

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 15.4   n/a MPO418331  

249328 (2008 UK325)          Discovered 2008-Oct-31 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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