+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1849420372858398 3.3858e-08   a 2.423423826928869 7.3362e-09 au q 1.975230887169597 8.4704e-08 au i 3.588847198119558 3.4238e-06 deg node 160.3101475343573 4.9929e-05 deg peri 227.102569557021 5.0663e-05 deg M 287.2878595448676 9.4856e-06 deg tp 2459478.821602129398 (2021-Sep-21.32160213) 3.7016e-05 TDB period 1377.978644823555 3.77 6.2571e-06 1.713e-08 d yr n .2612522344612218 1.1863e-09 deg/d Q 2.87161676668814 8.6929e-09 au   Orbit Determination Parameters    # obs. used (total)      1504      data-arc span      25899 days (70.91 yr)      first obs. used      1949-08-21      last obs. used      2020-07-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52536      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:15:13   Additional Information  Earth MOID = .980421 au   Jupiter MOID = 2.57925 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 15.08   n/a E2021B10   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 ] 2021-Apr-17 09:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin