+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259161 (2002 YV4) Classification: Inner Main-belt Asteroid          SPK-ID: 2259161 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0338431938741243 5.1023e-08   a 1.886671149359141 1.1287e-08 au q 1.822820171874662 9.1767e-08 au i 19.84803793555716 9.4565e-06 deg node 311.2629721093294 1.6121e-05 deg peri 278.6566142706534 0.00017274 deg M 124.9116721918243 0.00017426 deg tp 2458672.069666797507 (2019-Jul-07.56966680) 0.00045851 TDB period 946.5482118542652 2.59 8.4938e-06 2.325e-08 d yr n .380329280105837 3.4129e-09 deg/d Q 1.950522126843619 1.1669e-08 au   Orbit Determination Parameters    # obs. used (total)      345      data-arc span      6533 days (17.89 yr)      first obs. used      2002-12-14      last obs. used      2020-11-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62476      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:50:22   Additional Information  Earth MOID = .852032 au   Jupiter MOID = 3.13711 au   T_jup = 3.890  [ 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 MPO264665   259161 (2002 YV4)          Discovered 2002-Dec-28 by LINEAR at Socorro Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 23:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin