+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   447491 (2006 RX51) Classification: Main-belt Asteroid          SPK-ID: 2447491 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09538214662327749 8.8911e-08   a 2.694757357368721 3.1969e-08 au q 2.437725615994022 2.5335e-07 au i 2.062859831410412 1.0307e-05 deg node 188.6703280090381 0.00018475 deg peri 232.4377889937531 0.00019101 deg M 356.3549770405702 5.0085e-05 deg tp 2459016.859713500367 (2020-Jun-16.35971350) 0.00022492 TDB period 1615.763995366804 4.42 2.8753e-05 7.872e-08 d yr n .2228048161936386 3.9649e-09 deg/d Q 2.95178909874342 3.5019e-08 au   Orbit Determination Parameters    # obs. used (total)      120      data-arc span      4767 days (13.05 yr)      first obs. used      2006-09-14      last obs. used      2019-10-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64852      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 16:21:31   Additional Information  Earth MOID = 1.45106 au   Jupiter MOID = 2.31465 au   T_jup = 3.363  [ 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 17.4   n/a MPO456120   447491 (2006 RX51)          Discovered 2006-Sep-14 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-10-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-03 18:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin