+ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1383857702276894 4.8096e-08   a 2.375750738899811 1.1923e-08 au q 2.046980643028159 1.1069e-07 au i 1.70009247784032 3.8911e-06 deg node 73.63410519869444 0.0001608 deg peri 107.2187626354188 0.00016148 deg M 151.9362980817601 1.6291e-05 deg tp 2458436.006719978928 (2018-Nov-13.50671998) 5.8027e-05 TDB period 1337.518311116349 3.66 1.0068e-05 2.756e-08 d yr n .269155193620885 2.0261e-09 deg/d Q 2.704520834771464 1.3572e-08 au   Orbit Determination Parameters    # obs. used (total)      423      data-arc span      10080 days (27.60 yr)      first obs. used      1993-03-17      last obs. used      2020-10-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5784      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:51:32   Additional Information  Earth MOID = 1.05065 au   Jupiter MOID = 2.25346 au   T_jup = 3.528  [ hide covariance matrix ] Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1375368627992769 4.8192e-08   q 2.049584958709868 1.108e-07 au tp 2457097.190579635652 (2015-Mar-15.69057964) 5.332e-05 TDB node 73.64857187239018 0.00016066 deg peri 107.1554707216597 0.00016135 deg i 1.700888945507024 3.8927e-06 deg   Orbit Determination Parameters    # obs. used (total)      423      data-arc span      10080 days (27.60 yr)      first obs. used      1993-03-17      last obs. used      2020-10-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5784      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:51:32   Additional Information  Jupiter MOID = 2.25346 au   T_jup = 3.528  Orbit Covariance (6×6)   e q tp node peri i e 2.322503757441789E-15 -5.320223229070283E-15 7.595035802082602E-13 -6.522977692167807E-15 2.148524917126042E-13 -6.357351595904052E-16 q -5.320223229070283E-15 1.227668866536332E-14 -1.565905226967609E-12 1.409415465600774E-14 -4.375722171242018E-13 1.510729620016376E-15 tp 7.595035802082602E-13 -1.565905226967609E-12 2.842986698851411E-9 -1.31080674638101E-11 8.227183741198903E-10 -6.467005596854228E-14 node -6.522977692167807E-15 1.409415465600774E-14 -1.31080674638101E-11 2.581098268323334E-8 -2.58030539334169E-8 -1.675889351498481E-10 peri 2.148524917126042E-13 -4.375722171242018E-13 8.227183741198903E-10 -2.58030539334169E-8 2.603480300956154E-8 1.675100732389058E-10 i -6.357351595904052E-16 1.510729620016376E-15 -6.467005596854228E-14 -1.675889351498481E-10 1.675100732389058E-10 1.515336768954535E-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 ] 2021-Jan-19 03:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin