+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5002 Marnix (1987 SS3) Classification: Main-belt Asteroid          SPK-ID: 2005002 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2054022562731729 2.7955e-08   a 2.328176791889828 6.5796e-09 au q 1.84996402583282 6.4264e-08 au i 1.592461703321502 3.1988e-06 deg node 108.0269743373891 0.00011916 deg peri 172.3376774391838 0.00011941 deg M 176.7672612885057 8.7819e-06 deg tp 2458563.379333035240 (2019-Mar-20.87933304) 3.1051e-05 TDB period 1297.544796674563 3.55 5.5004e-06 1.506e-08 d yr n .2774470684346566 1.1761e-09 deg/d Q 2.806389557946836 7.931e-09 au   Orbit Determination Parameters    # obs. used (total)      2596      data-arc span      13802 days (37.79 yr)      first obs. used      1983-04-10      last obs. used      2021-01-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4746      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:21:48   Additional Information  Earth MOID = .83162 au   Jupiter MOID = 2.33304 au   T_jup = 3.544  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.81   n/a E2021B10   diameter diameter 4.692 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.350   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   5002 Marnix (1987 SS3)          Discovered 1987-Sep-20 by Elst, E. W. at Rozhen Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1987 SS3 = 1951 JN = 1983 GD2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-03 22:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin