+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103357 (2000 AM92) Classification: Main-belt Asteroid          SPK-ID: 2103357 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1823496227719318 6.3043e-08   a 2.307428314895482 9.0214e-09 au q 1.886669632101016 1.4617e-07 au i 25.19272386785432 5.4962e-06 deg node 327.6685904032507 8.6612e-06 deg peri 357.0371476457474 1.4825e-05 deg M 50.49578069336791 1.2615e-05 deg tp 2459020.926046746582 (2020-Jun-20.42604675) 4.5073e-05 TDB period 1280.238116602107 3.51 7.5081e-06 2.056e-08 d yr n .2811976891888517 1.6491e-09 deg/d Q 2.728186997689948 1.0667e-08 au   Orbit Determination Parameters    # obs. used (total)      1775      data-arc span      7851 days (21.49 yr)      first obs. used      1999-07-23      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41487      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:34:15   Additional Information  Earth MOID = .873408 au   Jupiter MOID = 2.63152 au   T_jup = 3.440  [ 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 14.40   n/a E2021B55   rotation period rot_per 5.468 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] 103357 (2000 AM92)          Discovered 2000-Jan-02 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  2000 AM92 = 2001 BT4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-09 01:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin