+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101757 (1999 FA25) Classification: Main-belt Asteroid          SPK-ID: 2101757 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2308434976156021 3.23e-08   a 2.576812291300044 8.5563e-09 au q 1.981971929277468 8.4872e-08 au i 11.82617266931069 3.162e-06 deg node 169.3147213934052 2.055e-05 deg peri 297.551875604409 2.2158e-05 deg M 99.0513821581805 9.3092e-06 deg tp 2458584.799409689137 (2019-Apr-11.29940969) 3.8138e-05 TDB period 1510.854359133759 4.14 7.5252e-06 2.06e-08 d yr n .2382757794115936 1.1868e-09 deg/d Q 3.17165265332262 1.0531e-08 au   Orbit Determination Parameters    # obs. used (total)      1016      data-arc span      10640 days (29.13 yr)      first obs. used      1991-05-06      last obs. used      2020-06-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50949      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:58:40   Additional Information  Earth MOID = 1.02878 au   Jupiter MOID = 2.05917 au   T_jup = 3.360  [ 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 15.2   n/a MPO422324   diameter diameter 3.138 km 0.802 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.149   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   101757 (1999 FA25)          Discovered 1999-Mar-19 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 FA25 = 2001 QQ211  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-26 22:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin