+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1837887605751769 4.1384e-08   a 2.631252431908608 1.5337e-08 au q 2.147657808687705 1.1083e-07 au i 12.15200022492317 3.9865e-06 deg node 219.6120280254656 2.3007e-05 deg peri 62.55835976789146 2.6639e-05 deg M 289.3362315084536 1.7852e-05 deg tp 2459506.510615606354 (2021-Oct-19.01061561) 7.8889e-05 TDB period 1558.985941026715 4.27 1.363e-05 3.732e-08 d yr n .2309193370678581 2.0189e-09 deg/d Q 3.114847055129511 1.8155e-08 au   Orbit Determination Parameters    # obs. used (total)      793      data-arc span      10873 days (29.77 yr)      first obs. used      1991-04-19      last obs. used      2021-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53544      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:11:24   Additional Information  Earth MOID = 1.16093 au   Jupiter MOID = 2.07909 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 15.02   n/a E2021B10   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 ] 2021-Apr-10 23:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin