+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109651 (2001 RE7) Classification: Main-belt Asteroid          SPK-ID: 2109651 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1510261123346859 4.6161e-08   a 2.568818975086447 1.6021e-08 au q 2.180860231987568 1.1249e-07 au i 12.9764082004467 5.0818e-06 deg node 184.4757882104724 2.0223e-05 deg peri 269.7203773704139 2.7027e-05 deg M 131.5409521157066 2.114e-05 deg tp 2458451.013334229796 (2018-Nov-28.51333423) 8.5356e-05 TDB period 1503.829769327429 4.12 1.4068e-05 3.852e-08 d yr n .2393887974175467 2.2395e-09 deg/d Q 2.956777718185325 1.8441e-08 au   Orbit Determination Parameters    # obs. used (total)      518      data-arc span      7705 days (21.10 yr)      first obs. used      1999-03-23      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59216      source      ORB      producer      Otto Matic      solution date      2020-May-20 19:07:02   Additional Information  Earth MOID = 1.24247 au   Jupiter MOID = 2.32897 au   T_jup = 3.379  [ 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 15.9   n/a MPO333681   109651 (2001 RE7)          Discovered 2001-Sep-10 by Yeung, W. K. Y. at Desert Eagle Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-14 01:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin