+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   43809 (1991 RE14) Classification: Main-belt Asteroid          SPK-ID: 2043809 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1619207940753377 8.9958e-08   a 2.391483184185951 3.3861e-08 AU q 2.004252327984745 2.1404e-07 AU i 8.539026608095837 1.0041e-05 deg node 343.3884960807501 4.7213e-05 deg peri 334.6365000770184 6.0716e-05 deg M 332.1368098785778 5.1634e-05 deg tp 2456505.050896611995 (2013-Jul-31.55089661) 0.00019549 JED period 1350.826040245138 3.70 2.8689e-05 7.855e-08 d yr n .2665035980019084 5.6601e-09 deg/d Q 2.778714040387158 3.9343e-08 AU   Orbit Determination Parameters    # obs. used (total)      676      data-arc span      7880 days (21.57 yr)      first obs. used      1991-09-10      last obs. used      2013-04-07      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .54341      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 16:00:11   Additional Information  Earth MOID = .995058 AU   T_jup = 3.499  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.925 mag .46929 1 autocmod 2.5c 43809 (1991 RE14)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675) Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RE14 = 2001 FQ44  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 09:23 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin