+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15462 Stumegan (1999 AV1) Classification: Main-belt Asteroid          SPK-ID: 2015462 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03716325057241688 3.5569e-08   a 2.849482622197145 1.4107e-08 au q 2.743586585506685 9.9629e-08 au i 1.090000817408594 4.4917e-06 deg node 324.0344052792513 0.00022873 deg peri 105.8893278808303 0.00023894 deg M 287.5459463554358 7.1007e-05 deg tp 2459750.096236142057 (2022-Jun-19.59623614) 0.00034726 TDB period 1756.901630868113 4.81 1.3047e-05 3.572e-08 d yr n .2049061789658185 1.5216e-09 deg/d Q 2.955378658887605 1.4631e-08 au   Orbit Determination Parameters    # obs. used (total)      1736      data-arc span      10507 days (28.77 yr)      first obs. used      1992-10-01      last obs. used      2021-07-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5469      source      ORB      producer      Otto Matic      solution date      2021-Jul-09 13:56:37   Additional Information  Earth MOID = 1.7576 au   Jupiter MOID = 2.14543 au   T_jup = 3.305  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.72   n/a E2021B10   15462 Stumegan           Discovered 1999 Jan. 8 by Spacewatch at Kitt Peak. Stewart A. Megan (b. 1952) discovered the Near Earth Object 2004 BV18 in conjunction with the Spacewatch Fast-Moving-Object Project. This find, made using real-time images transferred to volunteers over the Internet, encouraged others to join the online search. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040713/MPCPages.arc Last Updated: 2004-07-14 Alternate Designations  1999 AV1 = 2000 HQ11  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-04 16:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin