+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160625 (1999 TP241) Classification: Main-belt Asteroid          SPK-ID: 2160625 [ 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 .2676340391881891 8.2048e-08   a 2.542402208681474 9.5026e-09 au q 1.861968836331078 2.128e-07 au i 5.424972088722682 5.622e-06 deg node 110.1238649296352 5.9567e-05 deg peri 252.6361156434945 6.0893e-05 deg M 96.09107637051477 1.2335e-05 deg tp 2458805.274124641259 (2019-Nov-17.77412464) 4.9234e-05 TDB period 1480.692281773683 4.05 8.3015e-06 2.273e-08 d yr n .2431295174773014 1.3631e-09 deg/d Q 3.222835581031871 1.2046e-08 au   Orbit Determination Parameters    # obs. used (total)      462      data-arc span      9779 days (26.77 yr)      first obs. used      1994-05-13      last obs. used      2021-02-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .58135      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:02:07   Additional Information  Earth MOID = .866439 au   Jupiter MOID = 2.25227 au   T_jup = 3.388  [ 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 16.7   n/a MPO449862   160625 (1999 TP241)          Discovered 1999-Oct-04 by CSS at Catalina Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 09:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin