+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7058 (1990 SN1) Classification: Main-belt Asteroid          SPK-ID: 2007058 [ 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 .1435723242607261 6.5244e-08   a 2.241721766260893 1.0617e-08 AU q 1.919872561932956 1.4521e-07 AU i 4.329036619440001 6.841e-06 deg node 225.8624393784019 7.618e-05 deg peri 173.1077690256702 7.9163e-05 deg M 238.024448340865 2.2121e-05 deg tp 2456815.875885465755 (2014-Jun-07.37588547) 7.637e-05 JED period 1225.945008927309 3.36 8.7096e-06 2.385e-08 d yr n .2936510180950096 2.0862e-09 deg/d Q 2.563570970588829 1.2142e-08 AU   Orbit Determination Parameters    # obs. used (total)      1107      data-arc span      29030 days (79.48 yr)      first obs. used      1933-10-23      last obs. used      2013-04-16      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .50094      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:24:47   Additional Information  Earth MOID = .926955 AU   T_jup = 3.617  [ 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 13.7 mag n/a PDS3 (MPC 28116)   7058 (1990 SN1)          Discovered 1990-Sep-16 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1990 SN1 = 1933 UC1 = 1991 CE4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 15:43 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin