+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1244452275566012 4.3804e-08   a 3.194264667712707 3.4139e-08 au q 2.796753674263188 1.4186e-07 au i 5.601839686563427 6.0945e-06 deg node 42.48763519360604 5.3933e-05 deg peri 259.9130912486348 5.9579e-05 deg M 117.8181332794683 2.5636e-05 deg tp 2458318.060100862712 (2018-Jul-18.56010086) 0.00014782 TDB period 2085.233884215996 5.71 3.343e-05 9.153e-08 d yr n .1726425043852346 2.7677e-09 deg/d Q 3.591775661162226 3.8388e-08 au   Orbit Determination Parameters    # obs. used (total)      260      data-arc span      6686 days (18.31 yr)      first obs. used      2001-07-19      last obs. used      2019-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6174      source      ORB      producer      Otto Matic      solution date      2019-Dec-04 18:47:24   Additional Information  Earth MOID = 1.78865 au   Jupiter MOID = 1.65557 au   T_jup = 3.176  [ hide covariance matrix ] Orbital Elements at Epoch 2457330.5 (2015-Nov-04.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1284063918076733 4.4219e-08   q 2.782643116037463 1.4383e-07 au tp 2458311.391775800856 (2018-Jul-11.89177580) 0.00014209 TDB node 42.62658656207756 5.4158e-05 deg peri 259.0253796963243 5.938e-05 deg i 5.594813752166601 6.083e-06 deg   Orbit Determination Parameters    # obs. used (total)      260      data-arc span      6686 days (18.31 yr)      first obs. used      2001-07-19      last obs. used      2019-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6174      source      ORB      producer      Otto Matic      solution date      2019-Dec-04 18:47:24   Additional Information  Jupiter MOID = 1.65557 au   T_jup = 3.176  Orbit Covariance (6×6)   e q tp node peri i e 1.955294788823602E-15 -6.223920366457469E-15 1.49736039892338E-12 4.124269165956717E-16 2.373057623965606E-13 -5.125915537880517E-16 q -6.223920366457469E-15 2.068777937675554E-14 -4.574320675152022E-12 3.696603669443861E-15 -8.020441231476264E-13 2.077346647215896E-15 tp 1.49736039892338E-12 -4.574320675152022E-12 2.018868137924868E-8 -8.315128298814185E-12 3.475591247765421E-9 2.426355140878262E-12 node 4.124269165956717E-16 3.696603669443861E-15 -8.315128298814185E-12 2.933053271633052E-9 -2.920926538659953E-9 -9.345972918744498E-11 peri 2.373057623965606E-13 -8.020441231476264E-13 3.475591247765421E-9 -2.920926538659953E-9 3.525925048553548E-9 9.331046871938104E-11 i -5.125915537880517E-16 2.077346647215896E-15 2.426355140878262E-12 -9.345972918744498E-11 9.331046871938104E-11 3.700277965558868E-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 ] 2020-Sep-20 21:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin