+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15869 Tullius (1996 PL) Classification: Main-belt Asteroid          SPK-ID: 2015869 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1837646877295468 4.2602e-08   a 2.631760059199033 1.6141e-08 au q 2.148135493741229 1.1312e-07 au i 12.15096546941677 3.9985e-06 deg node 219.6189025023629 2.356e-05 deg peri 62.49035426614358 2.7495e-05 deg M 243.2245938334794 1.8969e-05 deg tp 2459506.344171175643 (2021-Oct-18.84417118) 8.5099e-05 TDB period 1559.437107532326 4.27 1.4346e-05 3.928e-08 d yr n .2308525289421057 2.1237e-09 deg/d Q 3.115384624656836 1.9107e-08 au   Orbit Determination Parameters    # obs. used (total)      782      data-arc span      10597 days (29.01 yr)      first obs. used      1991-04-19      last obs. used      2020-04-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53402      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:16:19   Additional Information  Earth MOID = 1.16309 au   Jupiter MOID = 2.07914 au   T_jup = 3.344  [ 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 15.0   n/a MPO332967   15869 Tullius           Discovered 1996 Aug. 8 by V. S. Casulli at Colleverde di Guidonia. Tullius Hostilius, third king of Rome, reigned from 672 to 640 B.C. He was a warrior king, and during the war against the city of Alba Longa there was a famous fight between Oratii and Curiatii. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020624/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1996 PL = 1991 HS4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-03 11:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin