+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15549 (2000 FN) Classification: Main-belt Asteroid          SPK-ID: 2015549 [ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2102626586229486 2.4273e-08   a 2.216597446181979 5.8456e-09 au q 1.750529774050918 5.578e-08 au i 7.133200876736677 2.5966e-06 deg node 127.16391387843 2.43e-05 deg peri 175.264519352864 2.5439e-05 deg M 318.2213121913931 7.0467e-06 deg tp 2459140.388162124665 (2020-Oct-17.88816212) 2.3569e-05 TDB period 1205.393012714598 3.30 4.7683e-06 1.305e-08 d yr n .2986577790004475 1.1814e-09 deg/d Q 2.68266511831304 7.0747e-09 au   Orbit Determination Parameters    # obs. used (total)      2587      data-arc span      25703 days (70.37 yr)      first obs. used      1950-03-21      last obs. used      2020-08-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4505      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 01:00:38   Additional Information  Earth MOID = .73531 au   Jupiter MOID = 2.55646 au   T_jup = 3.614  [ 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 13.8   n/a MPO358782   diameter diameter 4.483 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 55.09 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Ditteon, R.; Black, S.; Masner, Z.; Osborne, J.; Trent, L. (2018) Minor Planet Bull. 45, 338-340.] [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] geometric albedo albedo 0.350   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   15549 (2000 FN)          Discovered 2000-Mar-25 by Kobayashi, T. at Oizumi Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 FN = 1974 OF  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-18 12:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin