+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   215083 (2009 FH23) Classification: Main-belt Asteroid          SPK-ID: 2215083 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .153731213774758 5.0605e-08   a 3.134962888012537 3.5019e-08 au q 2.653021238099549 1.6786e-07 au i 5.385971689376131 6.3582e-06 deg node 45.7338956236152 5.2244e-05 deg peri 220.7938205294285 5.6057e-05 deg M 303.1047721599064 2.1035e-05 deg tp 2459320.920558439596 (2021-Apr-16.42055844) 0.00012082 TDB period 2027.43543557738 5.55 3.3971e-05 9.301e-08 d yr n .1775642240846392 2.9752e-09 deg/d Q 3.616904537925524 4.0403e-08 au   Orbit Determination Parameters    # obs. used (total)      350      data-arc span      8038 days (22.01 yr)      first obs. used      1998-04-21      last obs. used      2020-04-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58261      source      ORB      producer      Otto Matic      solution date      2020-May-21 09:14:38   Additional Information  Earth MOID = 1.64022 au   Jupiter MOID = 1.48422 au   T_jup = 3.187  [ 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 15.5   n/a MPO433407   diameter diameter 3.119 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.105   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   215083 (2009 FH23)          Discovered 2009-Mar-21 by Spacewatch at Kitt Peak Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  2009 FH23 = 2008 BK  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 21:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin