+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146212 (2000 UB105) Classification: Main-belt Asteroid          SPK-ID: 2146212 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2063612276158301 5.9701e-08   a 3.076240966996862 2.9531e-08 au q 2.441424104605281 1.7979e-07 au i 9.887393247015636 6.5865e-06 deg node 60.35022395734395 3.4936e-05 deg peri 355.5856478915646 3.8133e-05 deg M 204.7331817906733 1.6891e-05 deg tp 2459850.472953794849 (2022-Sep-27.97295379) 0.00010026 TDB period 1970.738287131107 5.40 2.8378e-05 7.769e-08 d yr n .1826726574252883 2.6304e-09 deg/d Q 3.711057829388442 3.5625e-08 au   Orbit Determination Parameters    # obs. used (total)      436      data-arc span      6846 days (18.74 yr)      first obs. used      2000-08-31      last obs. used      2019-05-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58422      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 08:35:38   Additional Information  Earth MOID = 1.45351 au   Jupiter MOID = 1.66021 au   T_jup = 3.174  [ hide covariance matrix ] Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .208567519905106 5.9435e-08   q 2.432234258936499 1.785e-07 au tp 2457882.157074727846 (2017-May-08.65707473) 8.3108e-05 TDB node 60.36448976055471 3.4917e-05 deg peri 355.7727573607274 3.8045e-05 deg i 9.895049982946309 6.5928e-06 deg   Orbit Determination Parameters    # obs. used (total)      436      data-arc span      6846 days (18.74 yr)      first obs. used      2000-08-31      last obs. used      2019-05-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58422      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 08:35:38   Additional Information  Jupiter MOID = 1.66021 au   T_jup = 3.174  Orbit Covariance (6×6)   e q tp node peri i e 3.532512009089305E-15 -1.052071955048652E-14 -8.421115393534714E-13 1.971920201152634E-14 -3.179974324921744E-13 -3.283978563262774E-15 q -1.052071955048652E-14 3.186359257105289E-14 3.42994925187138E-12 -5.429556756156346E-14 1.060511703820091E-12 9.181324521407009E-15 tp -8.421115393534714E-13 3.42994925187138E-12 6.906982898962019E-9 2.342918561311218E-11 1.266481311187046E-9 -4.993518405842303E-12 node 1.971920201152634E-14 -5.429556756156346E-14 2.342918561311218E-11 1.219194155277883E-9 -1.197516110699824E-9 -6.773262211440987E-11 peri -3.179974324921744E-13 1.060511703820091E-12 1.266481311187046E-9 -1.197516110699824E-9 1.447397035434266E-9 6.595569297664423E-11 i -3.283978563262774E-15 9.181324521407009E-15 -4.993518405842303E-12 -6.773262211440987E-11 6.595569297664423E-11 4.346535254290876E-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 15.0   n/a MPO396201   146212 (2000 UB105)          Discovered 2000-Oct-29 by LINEAR at Socorro Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ show close-approach data ] Alternate Designations  2000 UB105 = 2002 CU61  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-25 14:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin