+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120198 (2004 DT42) Classification: Inner Main-belt Asteroid          SPK-ID: 2120198 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1170159360197669 3.5419e-08   a 1.966094194742134 7.1478e-09 au q 1.736029842241353 7.2745e-08 au i 22.19898661979345 5.9441e-06 deg node 182.7694393314091 9.5441e-06 deg peri 293.4847130619464 2.9391e-05 deg M 84.29529888709014 2.5801e-05 deg tp 2458964.720652074489 (2020-Apr-25.22065207) 7.2109e-05 TDB period 1006.943048708774 2.76 5.4912e-06 1.503e-08 d yr n .3575177369381875 1.9497e-09 deg/d Q 2.196158547242915 7.9843e-09 au   Orbit Determination Parameters    # obs. used (total)      727      data-arc span      9827 days (26.90 yr)      first obs. used      1993-03-25      last obs. used      2020-02-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57802      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:58:51   Additional Information  Earth MOID = .820002 au   Jupiter MOID = 2.90588 au   T_jup = 3.777  [ 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 16.54   n/a E2021B55   120198 (2004 DT42)          Discovered 2004-Feb-20 by NEAT at Haleakala Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-07 06:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin