+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70285 (1999 RZ116) Classification: Main-belt Asteroid          SPK-ID: 2070285 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1846238642230007 5.4141e-08   a 2.351072439616919 1.1171e-08 au q 1.917008360746646 1.3253e-07 au i 8.525016402651358 5.4196e-06 deg node 327.8576933720828 2.3917e-05 deg peri 19.94646361170375 2.6109e-05 deg M 313.3079690564539 1.189e-05 deg tp 2459371.280274209414 (2021-Jun-05.78027421) 4.4228e-05 TDB period 1316.732159064223 3.61 9.3845e-06 2.569e-08 d yr n .2734041221077529 1.9486e-09 deg/d Q 2.785136518487192 1.3233e-08 au   Orbit Determination Parameters    # obs. used (total)      592      data-arc span      9603 days (26.29 yr)      first obs. used      1994-02-10      last obs. used      2020-05-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54027      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:01:20   Additional Information  Earth MOID = .910232 au   Jupiter MOID = 2.63234 au   T_jup = 3.520  [ 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 16.12   n/a E2021B10   diameter diameter 1.669 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.303   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   70285 (1999 RZ116)          Discovered 1999-Sep-09 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 RZ116 = 1994 CL4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 07:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin