+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   79092 (1981 DT1) Classification: Main-belt Asteroid          SPK-ID: 2079092 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ 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 .2075557273751935 4.3719e-08   a 2.75907584235798 1.5172e-08 au q 2.186413849014044 1.1708e-07 au i 7.887992409061614 4.1724e-06 deg node 243.3229689660911 3.4449e-05 deg peri 330.8563851884821 3.5734e-05 deg M 171.5183864814104 1.0205e-05 deg tp 2458202.960748082942 (2018-Mar-25.46074808) 4.5832e-05 TDB period 1673.955408397333 4.58 1.3808e-05 3.78e-08 d yr n .2150594921430247 1.7739e-09 deg/d Q 3.331737835701915 1.8321e-08 au   Orbit Determination Parameters    # obs. used (total)      841      data-arc span      14140 days (38.71 yr)      first obs. used      1981-02-09      last obs. used      2019-10-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51434      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 09:20:26   Additional Information  Earth MOID = 1.18331 au   Jupiter MOID = 1.67692 au   T_jup = 3.297  [ hide covariance matrix ] Orbital Elements at Epoch 2456984.5 (2014-Nov-23.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2070076322121081 4.3745e-08   q 2.189105430288376 1.1716e-07 au tp 2456529.029258479908 (2013-Aug-24.52925848) 4.586e-05 TDB node 243.3454222522249 3.4475e-05 deg peri 331.0291556961032 3.5772e-05 deg i 7.88285697846328 4.1711e-06 deg   Orbit Determination Parameters    # obs. used (total)      841      data-arc span      14140 days (38.71 yr)      first obs. used      1981-02-09      last obs. used      2019-10-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51434      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 09:20:26   Additional Information  Jupiter MOID = 1.67692 au   T_jup = 3.297  Orbit Covariance (6×6)   e q tp node peri i e 1.913598685223189E-15 -5.10071519793442E-15 -6.034750052770328E-13 2.342980129690371E-15 -1.401381394965739E-13 1.581747003965129E-15 q -5.10071519793442E-15 1.372609335648056E-14 1.588726325313535E-12 -1.938201960821642E-15 3.727698777864543E-13 -3.923694248764639E-15 tp -6.034750052770328E-13 1.588726325313535E-12 2.103177524965604E-9 -4.403975122562085E-12 4.703095539159551E-10 -9.170213088511209E-13 node 2.342980129690371E-15 -1.938201960821642E-15 -4.403975122562085E-12 1.188517242691527E-9 -1.177373775090761E-9 -3.995120935602293E-11 peri -1.401381394965739E-13 3.727698777864543E-13 4.703095539159551E-10 -1.177373775090761E-9 1.279620191318086E-9 3.937848964183353E-11 i 1.581747003965129E-15 -3.923694248764639E-15 -9.170213088511209E-13 -3.995120935602293E-11 3.937848964183353E-11 1.73979873290297E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.7   n/a MPO449497   79092 (1981 DT1)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring Reference: 20040504/Numbers.arc Last Updated: 2004-07-16 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-26 05:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin