+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 DY1) Classification: Apollo [NEO, PHA]          SPK-ID: 3991701 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6289884592432134 7.8736e-06   a 2.544761439580827 5.2328e-05 au q .9441358625573408 6.3236e-07 au i 1.317384694332987 1.357e-05 deg node 279.752009075482 0.00050452 deg peri 290.8051666830394 0.00048383 deg M 13.74438196595245 0.00041288 deg tp 2458943.890182457978 (2020-Apr-04.39018246) 4.7545e-05 TDB period 1482.753780098074 4.06 0.045734 0.0001252 d yr n .2427914902878807 7.4887e-06 deg/d Q 4.145387016604313 8.5241e-05 au   Orbit Determination Parameters    # obs. used (total)      56      data-arc span      158 days      first obs. used      2020-01-23      last obs. used      2020-06-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .36858      source      ORB      producer      Otto Matic      solution date      2020-Jun-30 06:02:55   Additional Information  Earth MOID = .0132441 au   Jupiter MOID = .842807 au   T_jup = 3.132  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 21.875   .34769 9 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Sep-26 18:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin