+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   7001 Noether (1955 EH) Classification: Main-belt Asteroid          SPK-ID: 2007001 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO87241 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1501725 n/a   a 2.3802290 n/a AU q 2.0227841 n/a AU i 7.02414 n/a deg node 151.81709 n/a deg peri 278.60044 n/a deg M 43.79759 n/a deg tp 2455037.3172531 (2009-Jul-24.81725311) n/a JED period 1341.3018586 3.67 n/a n/a d yr n 0.26839596 n/a deg/d Q 2.7376739 n/a AU   Orbit Determination Parameters    # obs. used (total)      382      first obs. used      1955-??-??      last obs. used      2005-10-01      # oppositions      13      planetary ephem.      DE403      quality code      0      fit RMS      0.68      data source      MPC:mpn      producer      MPC   Additional Information  T_jup = 3.513  [ 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 28116)   7001 Noether (1955 EH)           Discovered 1955-Mar-14 by Indiana University at Brooklyn Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1955 EH = 1977 CB1 = 1988 CD1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2009-Nov-23 20:20 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin