+ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2138266801182364 4.0394e-08   a 2.421992383635308 1.9369e-08 au q 1.904105792970916 1.0215e-07 au i 5.486036722309056 7.1136e-06 deg node 79.62573561819526 5.1394e-05 deg peri 263.7800950730269 5.5067e-05 deg M 50.16992240167018 2.1817e-05 deg tp 2458808.633781968379 (2019-Nov-21.13378197) 8.211e-05 TDB period 1376.757929549523 3.77 1.6515e-05 4.522e-08 d yr n .2614838761944103 3.1367e-09 deg/d Q 2.939878974299701 2.3511e-08 au   Orbit Determination Parameters    # obs. used (total)      349      data-arc span      8951 days (24.51 yr)      first obs. used      1993-10-09      last obs. used      2018-04-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5727      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 07:45:15   Additional Information  Earth MOID = .905832 au   Jupiter MOID = 2.48485 au   T_jup = 3.475  [ hide covariance matrix ] Orbital Elements at Epoch 2456488.5 (2013-Jul-15.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2143094331722644 4.0608e-08   q 1.903476074720815 1.0291e-07 au tp 2456056.672206563247 (2012-May-09.17220656) 6.9189e-05 TDB node 79.65950762404168 5.1393e-05 deg peri 264.0738690420201 5.505e-05 deg i 5.486315290995942 7.1143e-06 deg   Orbit Determination Parameters    # obs. used (total)      349      data-arc span      8951 days (24.51 yr)      first obs. used      1993-10-09      last obs. used      2018-04-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5727      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 07:45:15   Additional Information  Jupiter MOID = 2.48485 au   T_jup = 3.475  Orbit Covariance (6×6)   e q tp node peri i e 1.649029371052819E-15 -4.1351911995624E-15 6.426009112202296E-13 -1.503597899487077E-14 1.883227707399009E-13 9.839415721589552E-16 q -4.1351911995624E-15 1.059056635338221E-14 -1.390241657982405E-12 3.142009393183393E-14 -3.91704426651234E-13 -1.968198175979881E-15 tp 6.426009112202296E-13 -1.390241657982405E-12 4.787103858515022E-9 -7.378529098330362E-11 1.383483045682412E-9 -3.273072750217415E-13 node -1.503597899487077E-14 3.142009393183393E-14 -7.378529098330362E-11 2.641211906485523E-9 -2.648525966292463E-9 -1.129680350054517E-10 peri 1.883227707399009E-13 -3.91704426651234E-13 1.383483045682412E-9 -2.648525966292463E-9 3.030461192142024E-9 1.124110959547714E-10 i 9.839415721589552E-16 -1.968198175979881E-15 -3.273072750217415E-13 -1.129680350054517E-10 1.124110959547714E-10 5.061323556846212E-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 ] 2020-Oct-28 17:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin