+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46098 (2001 FH2) Classification: Main-belt Asteroid          SPK-ID: 2046098 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06148938278808821 5.8082e-08   a 2.178135894213575 9.1429e-09 au q 2.044203662449802 1.2533e-07 au i 4.907691969950688 4.642e-06 deg node 265.9955888962251 6.6048e-05 deg peri 244.5157275807398 7.4052e-05 deg M 57.50387266411936 3.3575e-05 deg tp 2459012.948527692783 (2020-Jun-12.44852769) 0.0001093 TDB period 1174.156224659415 3.21 7.3929e-06 2.024e-08 d yr n .3066031524931229 1.9305e-09 deg/d Q 2.312068125977348 9.7051e-09 au   Orbit Determination Parameters    # obs. used (total)      625      data-arc span      8083 days (22.13 yr)      first obs. used      1998-04-01      last obs. used      2020-05-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60681      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 09:46:20   Additional Information  Earth MOID = 1.06077 au   Jupiter MOID = 2.69039 au   T_jup = 3.676  [ 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 16.32   n/a E2021B10   46098 (2001 FH2)          Discovered 2001-Mar-18 by LINEAR at Socorro 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 2007-Apr-13 20:26 < 00:01 Iris 0.0300689375141344 0.0300679701143673 0.0300699049139897 5.08075340163864 5.08075336400928 2454204.351263950 0.214888612975674 53.3054330072368 47.9138490389735 -76.4703386416364 93354.0797261416 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 09:46:22 2021-Apr-13 09:46 Alternate Designations  2001 FH2 = 1998 HW128  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 20:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin