+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103224 (1999 YP8) Classification: Main-belt Asteroid          SPK-ID: 2103224 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07309230494934647 3.6309e-08   a 2.973750669352775 1.7643e-08 au q 2.756392378585119 1.0941e-07 au i 3.113642168631271 3.8885e-06 deg node 94.08764678656834 8.1521e-05 deg peri 342.5841925975336 8.8262e-05 deg M 61.86499188826608 3.2124e-05 deg tp 2458878.617240690635 (2020-Jan-30.11724069) 0.00016746 TDB period 1873.075382611502 5.13 1.6669e-05 4.564e-08 d yr n .1921972833245378 1.7104e-09 deg/d Q 3.191108960120431 1.8933e-08 au   Orbit Determination Parameters    # obs. used (total)      594      data-arc span      9998 days (27.37 yr)      first obs. used      1993-10-21      last obs. used      2021-03-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5444      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:45:42   Additional Information  Earth MOID = 1.77144 au   Jupiter MOID = 1.98794 au   T_jup = 3.255  [ hide covariance matrix ] Orbital Elements at Epoch 2457595.5 (2016-Jul-26.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07151344491173917 3.6054e-08   q 2.762739461083713 1.0865e-07 au tp 2457010.839977748738 (2014-Dec-19.33997775) 0.00017523 TDB node 94.12271375141425 8.1565e-05 deg peri 343.5827109021743 8.8634e-05 deg i 3.112621909832148 3.886e-06 deg   Orbit Determination Parameters    # obs. used (total)      594      data-arc span      9998 days (27.37 yr)      first obs. used      1993-10-21      last obs. used      2021-03-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5444      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:45:42   Additional Information  Jupiter MOID = 1.98794 au   T_jup = 3.255  Orbit Covariance (6×6)   e q tp node peri i e 1.299907725513945E-15 -3.871372294906402E-15 -1.267528845083684E-12 -1.029420914649545E-14 -2.688009134919593E-13 -1.465579057304057E-18 q -3.871372294906402E-15 1.180480332960708E-14 3.010105439452909E-12 2.993491574282428E-14 6.632635919142651E-13 8.800647575127387E-17 tp -1.267528845083684E-12 3.010105439452909E-12 3.070614199781658E-8 1.437422908217298E-11 6.104290752177676E-9 -2.599591133456826E-12 node -1.029420914649545E-14 2.993491574282428E-14 1.437422908217298E-11 6.652928731664521E-9 -6.639826210478847E-9 -3.972352452251176E-12 peri -2.688009134919593E-13 6.632635919142651E-13 6.104290752177676E-9 -6.639826210478847E-9 7.856028581936473E-9 3.469085200046111E-12 i -1.465579057304057E-18 8.800647575127387E-17 -2.599591133456826E-12 -3.972352452251176E-12 3.469085200046111E-12 1.510125213373566E-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 15.23   n/a E2021B55   103224 (1999 YP8)          Discovered 1999-Dec-27 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 YP8 = 2003 SQ163  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 20:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin