+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190822 (2001 SE22) Classification: Main-belt Asteroid          SPK-ID: 2190822 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1997254218634947 3.5447e-08   a 2.354400721035614 8.5513e-09 au q 1.88416704379106 8.425e-08 au i 2.186695955847695 4.4818e-06 deg node 213.6615521521254 0.00011606 deg peri 208.2784144066358 0.00011676 deg M 74.707520868869 1.3404e-05 deg tp 2458926.670127594574 (2020-Mar-18.17012759) 4.8584e-05 TDB period 1319.529184203349 3.61 7.1889e-06 1.968e-08 d yr n .2728245834269636 1.4864e-09 deg/d Q 2.824634398280168 1.0259e-08 au   Orbit Determination Parameters    # obs. used (total)      527      data-arc span      7138 days (19.54 yr)      first obs. used      2001-08-27      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57603      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:09:16   Additional Information  Earth MOID = .896777 au   Jupiter MOID = 2.50249 au   T_jup = 3.527  [ 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 16.55   n/a E2021B55   190822 (2001 SE22)          Discovered 2001-Sep-16 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-17 03:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin