+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21933 Aaronrozon (1999 VL70) Classification: Main-belt Asteroid          SPK-ID: 2021933 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05707840963274734 3.3893e-08   a 2.933821964970533 1.3694e-08 au q 2.766364073064393 1.0044e-07 au i 2.838914495910959 3.7529e-06 deg node 60.78419345720986 7.0303e-05 deg peri 178.6534385426404 7.7227e-05 deg M 240.6210165202938 3.3342e-05 deg tp 2459809.159543894493 (2022-Aug-17.65954389) 0.00017127 TDB period 1835.47748033276 5.03 1.2851e-05 3.518e-08 d yr n .196134250546476 1.3732e-09 deg/d Q 3.101279856876673 1.4476e-08 au   Orbit Determination Parameters    # obs. used (total)      1705      data-arc span      9187 days (25.15 yr)      first obs. used      1995-12-20      last obs. used      2021-02-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51779      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:55:56   Additional Information  Earth MOID = 1.75243 au   Jupiter MOID = 1.88565 au   T_jup = 3.271  [ 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 14.3   n/a MPO358838   diameter diameter 4.522 km 0.945 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.125   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   21933 Aaronrozon           Discovered 1999 Nov. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Aaron Alexander Rozon (b. 1992) is a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his environmental sciences project. He attends the Kapa'a Middle School, Kapaa, Hawaii. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20051019/MPCPages.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 VL70 = 1997 JU12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 11:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin