+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11906 (1992 AE1) Classification: Main-belt Asteroid          SPK-ID: 2011906 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1936151912103564 1.9366e-08   a 2.736510360206175 1.0391e-08 au q 2.206680383565735 5.3548e-08 au i 10.6885035299582 2.8226e-07 deg node 97.46155422608554 4.0087e-06 deg peri 27.21147938194643 7.5579e-06 deg M 143.8813657244258 5.249e-06 deg tp 2458539.660304178149 (2019-Feb-25.16030418) 2.1698e-05 TDB period 1653.461442335191 4.53 9.4178e-06 2.578e-08 d yr n .2177250649955105 1.2401e-09 deg/d Q 3.266340336846615 1.2403e-08 au   Orbit Determination Parameters    # obs. used (total)      1914      data-arc span      24033 days (65.80 yr)      first obs. used      1954-11-20      last obs. used      2020-09-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .44543      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 23:01:20   Additional Information  Earth MOID = 1.22814 au   Jupiter MOID = 1.85372 au   T_jup = 3.300  [ 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 13.44   n/a E2021B10   diameter diameter 5.295 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   geometric albedo albedo 0.334   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   SMASSII spectral type spec_B Sq   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 11906 (1992 AE1)          Discovered 1992-Jan-10 by Hioki, T., Hayakawa, S. at Okutama Reference: 19991026/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1992 AE1 = 1954 WE1 = 1983 EA3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-14 02:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin