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JPL Small-Body Database Browser
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233845 (2008 UK318)
Classification: Main-belt Asteroid          SPK-ID: 2233845
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04875062109072877 7.0603e-08  
a 2.705453914899577 3.4623e-08 au
q 2.573561356215879 1.9268e-07 au
i 5.416112858199572 6.1741e-06 deg
node 331.2080206846724 8.215e-05 deg
peri 50.29959796484363 0.00011051 deg
M 143.3413267436687 7.0146e-05 deg
tp 2457953.316320600675
(2017-Jul-18.81632060)
0.00031998 TDB
period 1625.393945183697
4.45
3.1201e-05
8.542e-08
d
yr
n .2214847674723643 4.2517e-09 deg/d
Q 2.837346473583275 3.6311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6635 days (18.17 yr)  
   first obs. used      2000-12-27  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:41:13  

Additional Information
 Earth MOID = 1.57796 au 
 Jupiter MOID = 2.38959 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04802867241216311 7.0715e-08  
q 2.577275343578217 1.9355e-07 au
tp 2456333.923230242703
(2013-Feb-10.42323024)
0.00033442 TDB
node 331.2261840431942 8.2145e-05 deg
peri 51.8695285358211 0.00011109 deg
i 5.415503556191836 6.1725e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6635 days (18.17 yr)  
   first obs. used      2000-12-27  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:41:13  

Additional Information
 Jupiter MOID = 2.38959 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.000584684708138E-15 -1.348351680983065E-14 2.216445639617619E-12 -7.548892213934686E-15 3.651292301802855E-13 -5.912234136173438E-15
q -1.348351680983065E-14 3.746234945569945E-14 -1.030165795069095E-11 2.633035408538819E-14 -1.889682163930407E-12 1.805652364319845E-14
tp 2.216445639617619E-12 -1.030165795069095E-11 1.118343657524878E-7 -1.105570585071732E-10 2.507579817630881E-8 -3.259340352643693E-11
node -7.548892213934686E-15 2.633035408538819E-14 -1.105570585071732E-10 6.747847394069512E-9 -6.741491868551895E-9 4.93502709369211E-11
peri 3.651292301802855E-13 -1.889682163930407E-12 2.507579817630881E-8 -6.741491868551895E-9 1.234074217299568E-8 -5.616945911056123E-11
i -5.912234136173438E-15 1.805652364319845E-14 -3.259340352643693E-11 4.93502709369211E-11 -5.616945911056123E-11 3.809939648003817E-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 16.6   n/a MPO241468  

233845 (2008 UK318)          Discovered 2008-Oct-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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