+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277576 (2005 YA202) Classification: Main-belt Asteroid          SPK-ID: 2277576 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0770330842527444 6.0424e-08   a 2.773870553633252 2.4911e-08 au q 2.560190749569015 1.7075e-07 au i 2.19399498455059 7.8613e-06 deg node 171.4187999141956 0.00012324 deg peri 240.6952492782515 0.00013498 deg M 97.19121720656608 5.1754e-05 deg tp 2458544.933025968147 (2019-Mar-02.43302597) 0.00024272 TDB period 1687.437562417804 4.62 2.2731e-05 6.223e-08 d yr n .2133412269691227 2.8738e-09 deg/d Q 2.987550357697489 2.6829e-08 au   Orbit Determination Parameters    # obs. used (total)      192      data-arc span      5617 days (15.38 yr)      first obs. used      2004-09-15      last obs. used      2020-02-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6955      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 14:12:55   Additional Information  Earth MOID = 1.57174 au   Jupiter MOID = 2.28095 au   T_jup = 3.331  [ 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 16.9   n/a MPO455059   277576 (2005 YA202)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-09 03:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin