+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   85263 (1993 TU37) Classification: Main-belt Asteroid          SPK-ID: 2085263 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2138266826833546 3.8504e-08   a 2.421992392548375 1.4446e-08 au q 1.904105793765435 9.8014e-08 au i 5.486036521063431 6.249e-06 deg node 79.62567657480049 4.5157e-05 deg peri 263.7801723854421 4.8121e-05 deg M 50.16990189413816 1.5239e-05 deg tp 2458808.633859336782 (2019-Nov-21.13385934) 5.7839e-05 TDB period 1376.757937149341 3.77 1.2317e-05 3.372e-08 d yr n .2614838747509974 2.3394e-09 deg/d Q 2.939878991331315 1.7535e-08 au   Orbit Determination Parameters    # obs. used (total)      417      data-arc span      9895 days (27.09 yr)      first obs. used      1993-10-09      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56698      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:17:10   Additional Information  Earth MOID = .905832 au   Jupiter MOID = 2.48485 au   T_jup = 3.475  [ hide covariance matrix ] Orbital Elements at Epoch 2456885.5 (2014-Aug-16.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2150459094812337 3.8532e-08   q 1.900429655460219 9.82e-08 au tp 2457432.804604111185 (2016-Feb-14.30460411) 5.5661e-05 TDB node 79.64480522046277 4.5191e-05 deg peri 263.9888696164232 4.8119e-05 deg i 5.485667935505906 6.248e-06 deg   Orbit Determination Parameters    # obs. used (total)      417      data-arc span      9895 days (27.09 yr)      first obs. used      1993-10-09      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56698      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:17:10   Additional Information  Jupiter MOID = 2.48485 au   T_jup = 3.475  Orbit Covariance (6×6)   e q tp node peri i e 1.484720310663412E-15 -3.761842036555329E-15 7.005371341388751E-14 2.686192710992263E-15 6.360736841184733E-14 -8.991115239243001E-16 q -3.761842036555329E-15 9.643243741330206E-15 -1.596464415778698E-13 -8.15512418998274E-15 -1.701500715691017E-13 3.007587731139714E-15 tp 7.005371341388751E-14 -1.596464415778698E-13 3.098166433704113E-9 -5.188379002911077E-11 9.286497418497508E-10 1.525475106634312E-12 node 2.686192710992263E-15 -8.15512418998274E-15 -5.188379002911077E-11 2.042207752767657E-9 -2.046388379972653E-9 -3.539481563029041E-11 peri 6.360736841184733E-14 -1.701500715691017E-13 9.286497418497508E-10 -2.046388379972653E-9 2.315485509725393E-9 3.552529027156523E-11 i -8.991115239243001E-16 3.007587731139714E-15 1.525475106634312E-12 -3.539481563029041E-11 3.552529027156523E-11 3.90373467610887E-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 16.1   n/a MPO436372   85263 (1993 TU37)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla Reference: 20040830/Numbers.arc Last Updated: 2004-09-06 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 13:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin