+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3603 Gajdusek (1981 RM) Classification: Main-belt Asteroid          SPK-ID: 2003603 [ 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 .1261119451836718 6.9198e-08   a 2.568891161008954 2.1557e-08 AU q 2.244923299728974 1.8273e-07 AU i 5.228374669103637 6.975e-06 deg node 277.9922829725992 9.3672e-05 deg peri 347.4100403820501 9.9232e-05 deg M 307.527643147895 3.6938e-05 deg tp 2456619.702273490628 (2013-Nov-23.20227349) 0.00015499 JED period 1503.893158049756 4.12 1.893e-05 5.183e-08 d yr n .2393787072393141 3.0131e-09 deg/d Q 2.892859022288934 2.4275e-08 AU   Orbit Determination Parameters    # obs. used (total)      970      data-arc span      21211 days (58.07 yr)      first obs. used      1955-03-24      last obs. used      2013-04-19      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .55352      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:58:29   Additional Information  Earth MOID = 1.22957 AU   T_jup = 3.414  [ 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 12.9 mag n/a PDS3 (MPC 28110)   3603 Gajdusek (1981 RM)          Discovered 1981-Sep-05 by Brozek, L. at Klet Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1981 RM = 1976 JP = 1985 RC2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 13:13 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin