+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180193 (2003 SX56) Classification: Main-belt Asteroid          SPK-ID: 2180193 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1464748075749042 5.4917e-08   a 2.156784226828055 7.3395e-09 au q 1.840869672222827 1.1623e-07 au i 2.591156357132057 4.1266e-06 deg node 313.7171530922218 0.00013787 deg peri 37.38706873720583 0.00013905 deg M 163.2800407089882 1.9797e-05 deg tp 2458675.766158151378 (2019-Jul-11.26615815) 6.2491e-05 TDB period 1156.933708769619 3.17 5.9055e-06 1.617e-08 d yr n .3111673532123586 1.5883e-09 deg/d Q 2.472698781433282 8.4145e-09 au   Orbit Determination Parameters    # obs. used (total)      234      data-arc span      6394 days (17.51 yr)      first obs. used      2003-09-15      last obs. used      2021-03-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61682      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:25:32   Additional Information  Earth MOID = .833873 au   Jupiter MOID = 2.93582 au   T_jup = 3.685  [ 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 17.7   n/a MPO440013   180193 (2003 SX56)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 04:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin