+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233677 (2008 RJ70) Classification: Main-belt Asteroid          SPK-ID: 2233677 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1142182306443529 7.4935e-08   a 3.127033659762875 4.2329e-08 au q 2.769869407979423 2.2089e-07 au i 11.13094986494246 5.7015e-06 deg node 260.9501652565547 3.9016e-05 deg peri 294.4483116197638 4.6034e-05 deg M 214.6001282009803 2.7701e-05 deg tp 2459816.253195692902 (2022-Aug-24.75319569) 0.000162 TDB period 2019.748345138669 5.53 4.101e-05 1.123e-07 d yr n .1782400272125405 3.6191e-09 deg/d Q 3.484197911546326 4.7164e-08 au   Orbit Determination Parameters    # obs. used (total)      371      data-arc span      7549 days (20.67 yr)      first obs. used      2000-03-09      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50288      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:36:37   Additional Information  Earth MOID = 1.79029 au   Jupiter MOID = 1.65189 au   T_jup = 3.175  [ 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 14.7   n/a MPO454690   diameter diameter 5.042 km 0.397 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.110   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   233677 (2008 RJ70)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak Reference: 20100228/Numbers.arc Last Updated: 2010-03-03 [ show close-approach data ] Alternate Designations  2008 RJ70 = 2003 WR49  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 17:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin