+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100914 (1998 KZ29) Classification: Main-belt Asteroid          SPK-ID: 2100914 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1664785646938501 3.6726e-08   a 2.475729948560934 1.258e-08 au q 2.06357398015493 9.2324e-08 au i 3.181990188068821 3.59e-06 deg node 69.11506437991173 9.1836e-05 deg peri 194.9118474256061 9.285e-05 deg M 266.3477533875453 1.5496e-05 deg tp 2459570.642566216161 (2021-Dec-22.14256622) 6.2096e-05 TDB period 1422.831044184445 3.90 1.0845e-05 2.969e-08 d yr n .2530166891363752 1.9285e-09 deg/d Q 2.887885916966937 1.4675e-08 au   Orbit Determination Parameters    # obs. used (total)      564      data-arc span      10705 days (29.31 yr)      first obs. used      1991-10-04      last obs. used      2021-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55821      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:26:30   Additional Information  Earth MOID = 1.04634 au   Jupiter MOID = 2.18553 au   T_jup = 3.460  [ 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 16.1   n/a MPO302562   diameter diameter 1.567 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.314   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100914 (1998 KZ29)          Discovered 1998-May-22 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 KZ29 = 2002 LD17  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 04:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin