+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   16622 (1993 GG1) Classification: Main-belt Asteroid          SPK-ID: 2016622 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256985 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0914660 n/a   a 3.1433310 n/a AU q 2.8558231 n/a AU i 6.33662 n/a deg node 69.05440 n/a deg peri 153.68010 n/a deg M 202.61504 n/a deg tp 2457290.4064169 (2015-Sep-24.90641690) n/a JED period 2035.5586079 5.57 n/a n/a d yr n 0.17685563 n/a deg/d Q 3.4308389 n/a AU   Orbit Determination Parameters    # obs. used (total)      958      first obs. used      1983-??-??      last obs. used      2013-03-13      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.194  [ 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 (MPO 2887)   16622 (1993 GG1)          Discovered 1993-Apr-15 by Holt, H. E. at Palomar (675) Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 GG1 = 1998 DM20  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 05:06 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin