+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   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.arc Last Updated: 2010-08-27 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 06:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin