+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   136587 (1993 FM4) Classification: Main-belt Asteroid          SPK-ID: 2136587 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ 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 .1383857697123893 4.8418e-08   a 2.375750738912868 1.2407e-08 au q 2.046980644263633 1.1116e-07 au i 1.700094297775802 4.6472e-06 deg node 73.6341287677825 0.00016248 deg peri 107.2187389368087 0.00016369 deg M 151.9362982104972 1.8726e-05 deg tp 2458436.006719495974 (2018-Nov-13.50671950) 6.8041e-05 TDB period 1337.518311127376 3.66 1.0478e-05 2.869e-08 d yr n .2691551936186661 2.1085e-09 deg/d Q 2.704520833562103 1.4124e-08 au   Orbit Determination Parameters    # obs. used (total)      378      data-arc span      9998 days (27.37 yr)      first obs. used      1993-03-17      last obs. used      2020-07-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58171      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 11:03:17   Additional Information  Earth MOID = 1.05065 au   Jupiter MOID = 2.25346 au   T_jup = 3.528  [ hide covariance matrix ] Orbital Elements at Epoch 2457032.5 (2015-Jan-10.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .13779762285281 4.8474e-08   q 2.049093564529259 1.1124e-07 au tp 2457096.985712929065 (2015-Mar-15.48571293) 6.578e-05 TDB node 73.65377231094855 0.00016232 deg peri 107.0684875990976 0.00016354 deg i 1.700952376145779 4.6485e-06 deg   Orbit Determination Parameters    # obs. used (total)      378      data-arc span      9998 days (27.37 yr)      first obs. used      1993-03-17      last obs. used      2020-07-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58171      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 11:03:17   Additional Information  Jupiter MOID = 2.25346 au   T_jup = 3.528  Orbit Covariance (6×6)   e q tp node peri i e 2.349743615625713E-15 -5.371570229332447E-15 5.470017647930072E-13 -1.660660643284068E-14 1.526526373052999E-13 -1.950706738824071E-15 q -5.371570229332447E-15 1.237499528539047E-14 -1.169474985483786E-12 3.729415591215081E-14 -3.261231823940917E-13 4.506976879610403E-15 tp 5.470017647930072E-13 -1.169474985483786E-12 4.326962084411441E-9 -1.899367581911595E-11 1.332569751100832E-9 -3.738819485136341E-13 node -1.660660643284068E-14 3.729415591215081E-14 -1.899367581911595E-11 2.634858795591414E-8 -2.63421143255069E-8 -1.157890648193653E-10 peri 1.526526373052999E-13 -3.261231823940917E-13 1.332569751100832E-9 -2.63421143255069E-8 2.674644567933778E-8 1.156640504601567E-10 i -1.950706738824071E-15 4.506976879610403E-15 -3.738819485136341E-13 -1.157890648193653E-10 1.156640504601567E-10 2.160888163783121E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.9   n/a MPO475188   136587 (1993 FM4)          Discovered 1993-Mar-17 by UESAC at La Silla Reference: 20061205/Numbers.arc Last Updated: 2006-12-13 Alternate Designations  1993 FM4 = 2004 DX31  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-21 17:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin