+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06847862287210538 5.5989e-08   a 3.071132135753997 3.2588e-08 au q 2.860825236439295 1.6943e-07 au i 12.95752448237299 4.3779e-06 deg node 137.273878504534 2.699e-05 deg peri 105.8349257777906 4.3774e-05 deg M 193.2879703301078 3.7214e-05 deg tp 2459910.854657908887 (2022-Nov-27.35465791) 0.00020846 TDB period 1965.831005093847 5.38 3.1289e-05 8.566e-08 d yr n .1831286611449156 2.9148e-09 deg/d Q 3.281439035068698 3.482e-08 au   Orbit Determination Parameters    # obs. used (total)      421      data-arc span      6829 days (18.70 yr)      first obs. used      2001-05-18      last obs. used      2020-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62043      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 07:27:31   Additional Information  Earth MOID = 1.88097 au   Jupiter MOID = 1.8736 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 ] 2020-Oct-25 09:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin