+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1941603945595261 3.512e-08   a 2.734535609918918 1.0738e-08 au q 2.203597096959987 9.5197e-08 au i 10.69147430945845 4.0987e-06 deg node 97.45908936421661 1.9861e-05 deg peri 27.03561394640481 2.2668e-05 deg M 100.4934279275824 1.0331e-05 deg tp 2458539.438390853779 (2019-Feb-24.93839085) 4.6577e-05 TDB period 1651.671982094685 4.52 9.7289e-06 2.664e-08 d yr n .2179609534475728 1.2839e-09 deg/d Q 3.265474122877849 1.2823e-08 au   Orbit Determination Parameters    # obs. used (total)      1873      data-arc span      24033 days (65.80 yr)      first obs. used      1954-11-20      last obs. used      2020-09-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44788      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:56:31   Additional Information  Earth MOID = 1.2251 au   Jupiter MOID = 1.85521 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 13.4   n/a MPO473927   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-Jan-25 15:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin