+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   24727 (1991 VD1) Classification: Main-belt Asteroid          SPK-ID: 2024727 [ 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 .09376825289632305 2.8566e-07   a 2.530561588355856 1.9475e-08 AU q 2.293275249369183 7.3128e-07 AU i 16.0308248370412 1.2006e-05 deg node 32.37986044266938 2.3558e-05 deg peri 3.388017681107379 0.00013026 deg M 123.3555922468886 0.000113 deg tp 2455896.674509735366 (2011-Dec-01.17450974) 0.0004584 JED period 1470.360388139135 4.03 1.6974e-05 4.647e-08 d yr n .2448379342261867 2.8264e-09 deg/d Q 2.767847927342529 2.1301e-08 AU   Orbit Determination Parameters    # obs. used (total)      875      data-arc span      12205 days (33.42 yr)      first obs. used      1979-11-16      last obs. used      2013-04-16      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .51908      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 14:39:11   Additional Information  Earth MOID = 1.29922 AU   T_jup = 3.391  [ 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 13.4 mag n/a PDS3 (MPO 12388)   24727 (1991 VD1)          Discovered 1991-Nov-04 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20010606/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 VD1 = 1979 WW2 = 1987 VP1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 01:31 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin