+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70096 (1999 JC120) Classification: Main-belt Asteroid          SPK-ID: 2070096 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ 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 .05647538106208941 3.5873e-08   a 2.177800706499472 6.236e-09 au q 2.054808581722627 7.7504e-08 au i 5.586685684234605 5.1424e-06 deg node 218.6480379839521 3.1052e-05 deg peri 113.0583636308443 5.3528e-05 deg M 174.9894572696488 4.4211e-05 deg tp 2458629.895737170919 (2019-May-26.39573717) 0.00014367 TDB period 1173.88520327789 3.21 5.0421e-06 1.38e-08 d yr n .3066739396618652 1.3172e-09 deg/d Q 2.300792831276318 6.5882e-09 au   Orbit Determination Parameters    # obs. used (total)      1345      data-arc span      7980 days (21.85 yr)      first obs. used      1999-05-13      last obs. used      2021-03-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51575      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 12:47:23   Additional Information  Earth MOID = 1.05039 au   Jupiter MOID = 2.85121 au   T_jup = 3.675  [ 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 15.62   n/a E2021B10   diameter diameter 4.222 km 1.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.037   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   70096 (1999 JC120)          Discovered 1999-May-13 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1999 JC120 = 2000 UO50  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 02:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin