+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   79136 (1991 ND4) Classification: Main-belt Asteroid          SPK-ID: 2079136 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO235119 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2312400 n/a   a 2.3339158 n/a AU q 1.7942211 n/a AU i 1.45806 n/a deg node 241.69442 n/a deg peri 77.02366 n/a deg M 20.95009 n/a deg tp 2456324.7104033 (2013-Feb-01.21040330) n/a JED period 1302.3454699 3.57 n/a n/a d yr n 0.27642435 n/a deg/d Q 2.8736105 n/a AU   Orbit Determination Parameters    # obs. used (total)      416      first obs. used      1991-??-??      last obs. used      2012-07-30      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.48      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.532  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.8 mag n/a MPO235119   79136 (1991 ND4)          Discovered 1991-Jul-08 by Debehogne, H. at La Silla (809) Reference: 20040504/Numbers.arc Last Updated: 2004-07-16 Alternate Designations  1991 ND4 = 2002 TQ22  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 13:50 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin