+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11029 (1988 GZ) Classification: Main-belt Asteroid          SPK-ID: 2011029 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1146140133626986 4.0224e-08   a 3.102798573060863 1.7564e-08 au q 2.747174375946303 1.2573e-07 au i 5.651801573326001 4.2109e-06 deg node 29.0643111265694 4.5247e-05 deg peri 266.2139574317409 4.9499e-05 deg M 228.133945405254 2.2591e-05 deg tp 2459731.738944415350 (2022-Jun-01.23894442) 0.00012734 TDB period 1996.313765498938 5.47 1.6951e-05 4.641e-08 d yr n .1803323737088119 1.5312e-09 deg/d Q 3.458422770175422 1.9577e-08 au   Orbit Determination Parameters    # obs. used (total)      2239      data-arc span      11926 days (32.65 yr)      first obs. used      1988-03-23      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45646      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 20:15:00   Additional Information  Earth MOID = 1.73894 au   Jupiter MOID = 1.75436 au   T_jup = 3.204  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.6   n/a MPO337351   diameter diameter 16.173 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   11029 (1988 GZ)          Discovered 1988-Apr-09 by Jensen, P. at Brorfelde Reference: 19990728/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1988 GZ = 1990 US10 = 1998 EL9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 03:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin