+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190789 (2001 RE19) Classification: Main-belt Asteroid          SPK-ID: 2190789 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1537692233567167 5.0536e-08   a 2.279998908131732 1.0882e-08 au q 1.929405246774154 1.1067e-07 au i 2.017953473049669 4.3808e-06 deg node 194.0881605483283 0.00012407 deg peri 188.8950153752328 0.00012498 deg M 182.8465291972634 1.6207e-05 deg tp 2459819.296074702492 (2022-Aug-27.79607470) 5.8898e-05 TDB period 1257.477970278953 3.44 9.0022e-06 2.465e-08 d yr n .2862873215346582 2.0495e-09 deg/d Q 2.63059256948931 1.2555e-08 au   Orbit Determination Parameters    # obs. used (total)      483      data-arc span      7264 days (19.89 yr)      first obs. used      2000-05-02      last obs. used      2020-03-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55134      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:09:07   Additional Information  Earth MOID = .931324 au   Jupiter MOID = 2.82191 au   T_jup = 3.590  [ 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 16.58   n/a E2021B55   190789 (2001 RE19)          Discovered 2001-Sep-07 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-20 14:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin