+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70682 (1999 UN8) Classification: Main-belt Asteroid          SPK-ID: 2070682 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1487761949335517 3.8125e-08   a 2.616715937757966 1.3937e-08 au q 2.227410897316355 1.0465e-07 au i 13.18079258599585 6.4395e-06 deg node 41.23876473317641 1.7875e-05 deg peri 277.6114271996254 2.9672e-05 deg M 18.96203867442472 2.5383e-05 deg tp 2458919.064114419540 (2020-Mar-10.56411442) 0.00010878 TDB period 1546.084749236751 4.23 1.2352e-05 3.382e-08 d yr n .2328462266882327 1.8603e-09 deg/d Q 3.006020978199577 1.6011e-08 au   Orbit Determination Parameters    # obs. used (total)      831      data-arc span      7609 days (20.83 yr)      first obs. used      1999-10-03      last obs. used      2020-08-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57048      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 06:28:55   Additional Information  Earth MOID = 1.26163 au   Jupiter MOID = 2.39015 au   T_jup = 3.354  [ 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 14.8   n/a MPO474586   70682 (1999 UN8)          Discovered 1999-Oct-29 by CSS at Catalina Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-29 14:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin