+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5531 Carolientje (1051 T-2) Classification: Main-belt Asteroid          SPK-ID: 2005531 [ 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 .09768646990543468 6.1846e-08   a 2.725069053416826 2.4332e-08 AU q 2.458866677339991 1.6489e-07 AU i 13.15942589127333 9.0111e-06 deg node 179.1261672749145 3.1883e-05 deg peri 307.1247454871101 6.05e-05 deg M 169.8956147926686 5.0472e-05 deg tp 2455625.066850224270 (2011-Mar-04.56685022) 0.00022966 JED period 1643.102644290905 4.50 2.2007e-05 6.025e-08 d yr n .2190976937751574 2.9345e-09 deg/d Q 2.99127142949366 2.6709e-08 AU   Orbit Determination Parameters    # obs. used (total)      849      data-arc span      14457 days (39.58 yr)      first obs. used      1973-09-19      last obs. used      2013-04-19      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53915      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:17:18   Additional Information  Earth MOID = 1.495 AU   T_jup = 3.312  [ 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 13.2 mag n/a PDS3 (MPC 28113)   5531 Carolientje (1051 T-2)          Discovered 1973-Sep-29 by van Houten and Gehrels at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1051 T-2 = 1980 FD  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 10:58 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin