+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   80850 (2000 DN20) Classification: Main-belt Asteroid          SPK-ID: 2080850 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .167375532147192 3.1639e-08   a 2.305201913370626 7.9911e-09 au q 1.919367516413492 7.4961e-08 au i 3.547585964181421 4.6554e-06 deg node 293.4593514943915 5.8079e-05 deg peri 90.2475311132885 6.0052e-05 deg M 86.03066936497812 1.4357e-05 deg tp 2458894.998965548690 (2020-Feb-15.49896555) 5.0628e-05 TDB period 1278.38564100773 3.50 6.6474e-06 1.82e-08 d yr n .281605165493112 1.4643e-09 deg/d Q 2.691036310327759 9.3286e-09 au   Orbit Determination Parameters    # obs. used (total)      919      data-arc span      8212 days (22.48 yr)      first obs. used      1998-07-27      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55452      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 07:24:19   Additional Information  Earth MOID = .925504 au   Jupiter MOID = 2.77847 au   T_jup = 3.567  [ show covariance matrix ] [ 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 15.9   n/a MPO493441   diameter diameter 1.554 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.350   0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   80850 (2000 DN20)          Discovered 2000-Feb-29 by LINEAR at Socorro Reference: 20040504/Numbers.arc Last Updated: 2004-07-16 [ show close-approach data ] Alternate Designations  2000 DN20 = 2002 VC88  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 02:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin