+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175524 (2006 SM72) Classification: Main-belt Asteroid          SPK-ID: 2175524 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09988209287461457 5.0853e-08   a 2.807009886450897 1.9451e-08 au q 2.526639864272448 1.4569e-07 au i 4.326665404384486 6.982e-06 deg node 49.39898749760405 6.5894e-05 deg peri 281.3420349349528 7.6275e-05 deg M 51.69461054755461 3.4709e-05 deg tp 2458953.835240409988 (2020-Apr-14.33524041) 0.00016629 TDB period 1717.767336127172 4.70 1.7855e-05 4.888e-08 d yr n .2095743657646009 2.1784e-09 deg/d Q 3.087379908629347 2.1394e-08 au   Orbit Determination Parameters    # obs. used (total)      319      data-arc span      7174 days (19.64 yr)      first obs. used      2001-05-22      last obs. used      2021-01-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49124      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:05:45   Additional Information  Earth MOID = 1.51852 au   Jupiter MOID = 2.22336 au   T_jup = 3.311  [ 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 16.2   n/a MPO439999   175524 (2006 SM72)          Discovered 2006-Sep-19 by Spacewatch at Kitt Peak Reference: 20080122/Numbers.arc Last Updated: 2008-01-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 16:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin