+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190890 (2001 TB241) Classification: Main-belt Asteroid          SPK-ID: 2190890 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09107182778018552 5.0016e-08   a 2.421002160859928 1.4428e-08 au q 2.200517069010636 1.2569e-07 au i 5.7044622943777 6.6657e-06 deg node 306.1689261540116 5.5095e-05 deg peri 109.3751885086042 6.6482e-05 deg M 23.40391092518375 3.8866e-05 deg tp 2459111.050662522832 (2020-Sep-18.55066252) 0.00014834 TDB period 1375.913692148337 3.77 1.23e-05 3.368e-08 d yr n .2616443182841649 2.339e-09 deg/d Q 2.641487252709221 1.5742e-08 au   Orbit Determination Parameters    # obs. used (total)      349      data-arc span      9482 days (25.96 yr)      first obs. used      1995-02-01      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55412      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 12:03:34   Additional Information  Earth MOID = 1.21947 au   Jupiter MOID = 2.61693 au   T_jup = 3.501  [ 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 16.4   n/a MPO494055   190890 (2001 TB241)          Discovered 2001-Oct-15 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-12 04:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin