+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190755 (2001 QS83) Classification: Main-belt Asteroid          SPK-ID: 2190755 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1501583699565701 9.1483e-08   a 2.315360901150743 1.3366e-08 au q 1.967690082372772 2.1469e-07 au i 5.81969637545033 6.8932e-06 deg node 319.8845723396605 5.3268e-05 deg peri 20.20085845483809 5.5244e-05 deg M 193.0061466982115 1.7014e-05 deg tp 2459797.431441878099 (2022-Aug-05.93144188) 6.296e-05 TDB period 1286.845682204604 3.52 1.1143e-05 3.051e-08 d yr n .2797538236156286 2.4225e-09 deg/d Q 2.663031719928713 1.5373e-08 au   Orbit Determination Parameters    # obs. used (total)      498      data-arc span      7628 days (20.88 yr)      first obs. used      2000-04-26      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55219      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:08:59   Additional Information  Earth MOID = .95795 au   Jupiter MOID = 2.70854 au   T_jup = 3.560  [ 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 15.86   n/a E2021B55   190755 (2001 QS83)          Discovered 2001-Aug-17 by LINEAR at Socorro Reference: 20080917/Numbers.arc Last Updated: 2008-09-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 06:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin