+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70715 Allancheuvront (1999 UP49) Classification: Main-belt Asteroid          SPK-ID: 2070715 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1987612837372096 4.1233e-08   a 2.553401533684778 1.2797e-08 au q 2.045884166953031 1.0216e-07 au i 5.588610946935548 3.7586e-06 deg node 82.59445830423854 0.00011804 deg peri 10.87839620562602 0.000123 deg M 336.1850170027737 3.4989e-05 deg tp 2459099.088185652693 (2020-Sep-06.58818565) 0.00014524 TDB period 1490.311659643139 4.08 1.1203e-05 3.067e-08 d yr n .2415602116984064 1.8159e-09 deg/d Q 3.060918900416524 1.534e-08 au   Orbit Determination Parameters    # obs. used (total)      563      data-arc span      10545 days (28.87 yr)      first obs. used      1992-01-01      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59093      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:55:02   Additional Information  Earth MOID = 1.06289 au   Jupiter MOID = 2.1371 au   T_jup = 3.404  [ 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 15.6   n/a MPO493360   70715 Allancheuvront           Discovered 1999 Oct. 30 by the Catalina Sky Survey. Allan Cheuvront (b. 1950) is the Ground System Test Lead for the OSIRIS-REx Asteroid Sample Return Mission. Prior to serving in this role, he was the Mission Operations Manager for OSIRIS-REx, as well as the Stardust comet sample return mission, and a flight team member on the Magellan mission to Venus. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2015-01-05 Last Updated: 2015-01-07 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2059-Jun-10 02:26 00:02 Inter 0.0389821424451903 0.0389722262929912 0.0389920588845177 6.99381311483288 6.99381306113724 2473254.601287698 1.50288957426198 522.602471923842 88.0855177517168 19.2115550954925 24191.206635203 T 17 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:04 2020-Dec-17 21:55 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 07:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin