+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134146 Pronoybiswas (2005 AL51) Classification: Main-belt Asteroid          SPK-ID: 2134146 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06826474399370547 5.2249e-08   a 3.07165075250838 3.02e-08 au q 2.861965300250323 1.6185e-07 au i 12.95800708763611 4.3591e-06 deg node 137.2712282000269 2.4572e-05 deg peri 105.8519171443387 4.2293e-05 deg M 229.8803739448768 3.7511e-05 deg tp 2459911.216641764385 (2022-Nov-27.71664176) 0.00020911 TDB period 1966.328975820973 5.38 2.8999e-05 7.939e-08 d yr n .1830822840057546 2.7001e-09 deg/d Q 3.281336204766438 3.2262e-08 au   Orbit Determination Parameters    # obs. used (total)      496      data-arc span      7217 days (19.76 yr)      first obs. used      2001-05-18      last obs. used      2021-02-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .58545      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:07:06   Additional Information  Earth MOID = 1.88052 au   Jupiter MOID = 1.87244 au   T_jup = 3.188  [ 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 14.9   n/a MPO436655   diameter diameter 4.898 km 0.926 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.097   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134146 Pronoybiswas           Discovered 2005 Jan. 13 by the Catalina Sky Survey. Pronoy K. Biswas (b. 1992) is a student engineer at the Massachusetts Institute of Technology responsible for designing and implementing the avionics system for the student-built Regolith X-ray Imaging Spectrometer aboard the OSIRIS-REx Asteroid Sample Return Mission. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2016-08-18 Last Updated: 2016-08-22 [ show close-approach data ] Alternate Designations  2005 AL51 = 2003 WR148  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 14:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin