+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120494 (1993 FZ45) Classification: Main-belt Asteroid          SPK-ID: 2120494 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06486914802530928 4.9052e-08   a 2.736489010090011 1.515e-08 au q 2.55897529942485 1.3216e-07 au i 2.834937695843475 5.3069e-06 deg node 356.1913006309016 8.4841e-05 deg peri 159.7511547441315 9.1327e-05 deg M 71.44667870277111 3.2259e-05 deg tp 2458872.352928045810 (2020-Jan-23.85292805) 0.00014815 TDB period 1653.442092038446 4.53 1.3731e-05 3.759e-08 d yr n .217727613040366 1.8081e-09 deg/d Q 2.914002720755172 1.6133e-08 au   Orbit Determination Parameters    # obs. used (total)      553      data-arc span      9926 days (27.18 yr)      first obs. used      1993-03-19      last obs. used      2020-05-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57929      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:56:49   Additional Information  Earth MOID = 1.56827 au   Jupiter MOID = 2.06302 au   T_jup = 3.347  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.03   n/a E2021B55   diameter diameter 3.905 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.051   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   120494 (1993 FZ45)          Discovered 1993-Mar-19 by UESAC at La Silla Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 Alternate Designations  1993 FZ45 = 2002 EX43  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-07 07:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin