+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46185 (2001 FF124) Classification: Main-belt Asteroid          SPK-ID: 2046185 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1386174526172516 4.2811e-08   a 2.590912733600947 1.3074e-08 au q 2.231767010515584 1.1388e-07 au i 9.374550350996177 4.5932e-06 deg node 195.7225702473963 1.9425e-05 deg peri 150.555941989153 2.3889e-05 deg M 58.18047939626204 1.1806e-05 deg tp 2458754.320208400658 (2019-Sep-27.82020840) 5.0273e-05 TDB period 1523.272511595307 4.17 1.153e-05 3.157e-08 d yr n .2363332872218484 1.7888e-09 deg/d Q 2.950058456686311 1.4886e-08 au   Orbit Determination Parameters    # obs. used (total)      1195      data-arc span      8625 days (23.61 yr)      first obs. used      1997-04-03      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51832      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:47:41   Additional Information  Earth MOID = 1.23095 au   Jupiter MOID = 2.51235 au   T_jup = 3.387  [ 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 14.8   n/a MPO502463   diameter diameter 4.125 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.104   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   46185 (2001 FF124)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1928-Nov-23 03:07 < 00:01 David 0.0301944337794375 0.0301800989789077 0.0302087730271467 6.68232116747019 6.68232109259657 2425573.629607974 0.499479797387807 919.613575990362 42.887887653271 -39.0478749617033 66434.5782094673 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 03:47:44 2020-Dec-18 03:47 2105-May-02 18:44 00:05 Hygie 0.0242236836874135 0.0242114159829704 0.0242359578232536 3.61298851543578 3.61298807397138 2490017.280283099 4.73862636424127 871.862606805396 41.6107291290577 45.6211344779094 62172.6117506211 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 03:47:44 2020-Dec-18 03:47 2123-May-21 19:45 00:03 Hebe 0.0345674883937221 0.0345409409466377 0.0345940361422845 4.56023481088155 4.56023477144467 2496610.322649408 3.4805556900349 1332.99441418414 37.5708715639408 -6.94842438353242 17079.8655170648 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 03:47:44 2020-Dec-18 03:47 Alternate Designations  2001 FF124 = 1997 GS  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 16:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin