+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58546 (1997 FQ2) Classification: Main-belt Asteroid          SPK-ID: 2058546 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05771692672172628 4.8989e-08   a 3.156379339202389 2.2391e-08 au q 2.974202824175674 1.5619e-07 au i 13.3223002415558 5.087e-06 deg node 189.057551762611 1.9647e-05 deg peri 31.11505455664694 4.5258e-05 deg M 19.0742400703163 3.8515e-05 deg tp 2458891.975708700594 (2020-Feb-12.47570870) 0.00021963 TDB period 2048.246468732751 5.61 2.1795e-05 5.967e-08 d yr n .1757600979645442 1.8702e-09 deg/d Q 3.338555854229104 2.3683e-08 au   Orbit Determination Parameters    # obs. used (total)      659      data-arc span      21841 days (59.80 yr)      first obs. used      1960-09-24      last obs. used      2020-07-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58637      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:50:43   Additional Information  Earth MOID = 1.97644 au   Jupiter MOID = 1.63257 au   T_jup = 3.162  [ 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 14.7   n/a MPO468485   diameter diameter 7.245 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58546 (1997 FQ2)          Discovered 1997-Mar-31 by LINEAR at Socorro Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1997 FQ2 = 1999 TS252 = 3964 T-3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 17:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin