+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103901 (2000 DP56) Classification: Main-belt Asteroid          SPK-ID: 2103901 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1604943175954899 4.7309e-08   a 2.439050708796545 1.2675e-08 au q 2.047596929707447 1.1637e-07 au i 2.149786899555433 6.4559e-06 deg node 165.845965645802 0.00013198 deg peri 24.08410581339253 0.00013401 deg M 144.07223431098 2.5957e-05 deg tp 2458643.689441701710 (2019-Jun-09.18944170) 9.7462e-05 TDB period 1391.328467598475 3.81 1.0846e-05 2.969e-08 d yr n .2587455143654063 2.017e-09 deg/d Q 2.830504487885642 1.471e-08 au   Orbit Determination Parameters    # obs. used (total)      308      data-arc span      9470 days (25.93 yr)      first obs. used      1994-10-09      last obs. used      2020-09-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64497      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:45:47   Additional Information  Earth MOID = 1.04763 au   Jupiter MOID = 2.1235 au   T_jup = 3.484  [ 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 17.12   n/a E2021B55   103901 (2000 DP56)          Discovered 2000-Feb-29 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-04 22:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin