+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   249586 (1995 WJ10) Classification: Main-belt Asteroid          SPK-ID: 2249586 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1321060794337241 4.2692e-08   a 2.982784908591848 2.0962e-08 au q 2.5887408885237 1.3427e-07 au i 9.51879665447832 3.4301e-06 deg node 230.5156169681864 2.9371e-05 deg peri 70.49963920668833 3.6746e-05 deg M 359.2348470722025 1.8815e-05 deg tp 2459004.499236395899 (2020-Jun-03.99923640) 9.8327e-05 TDB period 1881.617452170804 5.15 1.9835e-05 5.431e-08 d yr n .1913247560414958 2.0169e-09 deg/d Q 3.376828928659996 2.3732e-08 au   Orbit Determination Parameters    # obs. used (total)      438      data-arc span      9147 days (25.04 yr)      first obs. used      1995-10-24      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53536      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:41:43   Additional Information  Earth MOID = 1.59282 au   Jupiter MOID = 1.86419 au   T_jup = 3.225  [ show covariance matrix ] [ 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 15.7   n/a MPO437159   diameter diameter 2.454 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.185   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   249586 (1995 WJ10)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak Reference: 20100923/Numbers.arc Last Updated: 2010-09-27 [ show close-approach data ] Alternate Designations  1995 WJ10 = 2009 JZ5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 00:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin