+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1146997741667913 2.2948e-08   a 3.102061025017737 1.6269e-08 au q 2.746255325996597 7.6523e-08 au i 5.652485829000857 7.4411e-07 deg node 29.05839128723137 5.4856e-06 deg peri 266.3375824530159 7.5521e-06 deg M 264.0830708381569 7.5313e-06 deg tp 2459732.200046123986 (2022-Jun-01.70004612) 4.2801e-05 TDB period 1995.602009752216 5.46 1.57e-05 4.298e-08 d yr n .1803966914448535 1.4192e-09 deg/d Q 3.457866724038877 1.8136e-08 au   Orbit Determination Parameters    # obs. used (total)      2435      data-arc span      12046 days (32.98 yr)      first obs. used      1988-03-23      last obs. used      2021-03-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .45286      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 22:29:11   Additional Information  Earth MOID = 1.73609 au   Jupiter MOID = 1.75463 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 12.69   n/a E2021B10   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-Apr-16 18:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin