+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   13997 (1993 FB32) Classification: Main-belt Asteroid          SPK-ID: 2013997 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1853131167111589 3.4673e-08   a 2.422331857050222 7.2868e-09 au q 1.973441990911516 8.6522e-08 au i 3.588087945540837 3.6744e-06 deg node 160.3397253746887 5.01e-05 deg peri 227.2087680240219 5.0911e-05 deg M 234.9074725357907 9.5795e-06 deg tp 2459478.995386404274 (2021-Sep-21.49538640) 3.7784e-05 TDB period 1377.047395215707 3.77 6.2136e-06 1.701e-08 d yr n .2614289103270901 1.1796e-09 deg/d Q 2.871221723188928 8.6371e-09 au   Orbit Determination Parameters    # obs. used (total)      1469      data-arc span      25866 days (70.82 yr)      first obs. used      1949-08-21      last obs. used      2020-06-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52799      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 17:40:44   Additional Information  Earth MOID = .979923 au   Jupiter MOID = 2.57824 au   T_jup = 3.486  [ 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 15.1   n/a MPO435833   diameter diameter 6.089 km 1.643 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   geometric albedo albedo 0.052   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   13997 (1993 FB32)          Discovered 1993-Mar-19 by UESAC at La Silla Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 FB32 = 1949 QG = 1979 OO12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-06 08:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin