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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04847387885097518 7.0653e-08  
a 2.706390618275944 3.3917e-08 au
q 2.57520136732222 1.9288e-07 au
i 5.415990407121909 6.1739e-06 deg
node 331.1979005084404 8.2138e-05 deg
peri 49.84820850985197 0.00011075 deg
M 232.4125221599353 7.0158e-05 deg
tp 2459576.854512009808
(2021-Dec-28.35451201)
0.00031484 TDB
period 1626.238153117376
4.45
3.057e-05
8.37e-08
d
yr
n .221369790955837 4.1613e-09 deg/d
Q 2.837579869229668 3.5561e-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 = 1.58021 au 
 Jupiter MOID = 2.38706 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 = 2.38706 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2034-Oct-17 23:36 00:02 Psych 0.0286929428327844 0.028680648281207 0.0287052373876804 3.02386150829869 3.02386136884944 2464253.483616610 1.89199643189712 612.237406366324 57.1604814836591 -1.28786358074668 7197.77770104593 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:41:15 2019-Jul-14 11:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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