+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   201454 (2003 FM74) Classification: Main-belt Asteroid          SPK-ID: 2201454 [ 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 .1025655509300214 4.1721e-08   a 2.295961728381704 1.3126e-08 au q 2.06047514879599 9.8227e-08 au i 6.886220451892012 4.48e-06 deg node 256.5714242952879 4.5296e-05 deg peri .451726721436943 5.3002e-05 deg M 291.9758310609781 2.9429e-05 deg tp 2459240.607727552490 (2021-Jan-26.10772755) 0.00010475 TDB period 1270.70691589605 3.48 1.0897e-05 2.983e-08 d yr n .2833068707634622 2.4296e-09 deg/d Q 2.531448307967417 1.4473e-08 au   Orbit Determination Parameters    # obs. used (total)      470      data-arc span      10313 days (28.24 yr)      first obs. used      1992-01-28      last obs. used      2020-04-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .528      source      ORB      producer      Otto Matic      solution date      2020-May-21 07:04:52   Additional Information  Earth MOID = 1.04544 au   Jupiter MOID = 2.51182 au   T_jup = 3.578  [ show covariance matrix ] [ 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 16.3   n/a MPO454427   diameter diameter 1.838 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.173   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   201454 (2003 FM74)          Discovered 2003-Mar-26 by NEAT at Haleakala Reference: 20081212/Numbers.arc Last Updated: 2008-12-12 [ show close-approach data ] Alternate Designations  2003 FM74 = 2004 TX308  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-19 19:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin