+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312239 (2007 YY26) Classification: Main-belt Asteroid          SPK-ID: 2312239 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2826936272885839 6.8807e-08   a 2.624361631887876 2.7207e-08 au q 1.882471322852505 1.9541e-07 au i 12.02097596448497 6.0894e-06 deg node 285.519699189685 2.5984e-05 deg peri 101.1741397683019 3.0572e-05 deg M 16.77301943559462 1.6719e-05 deg tp 2458928.149306891465 (2020-Mar-19.64930689) 7.1292e-05 TDB period 1552.865876003166 4.25 2.4148e-05 6.611e-08 d yr n .2318294229805498 3.6051e-09 deg/d Q 3.366251940923247 3.4899e-08 au   Orbit Determination Parameters    # obs. used (total)      265      data-arc span      7678 days (21.02 yr)      first obs. used      1998-08-24      last obs. used      2019-09-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50147      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:01:38   Additional Information  Earth MOID = .930809 au   Jupiter MOID = 2.27994 au   T_jup = 3.315  [ 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 16.7   n/a MPO494654   312239 (2007 YY26)          Discovered 2007-Dec-18 by LONEOS at Anderson Mesa Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 03:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin