+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120009 (2003 AU5) Classification: Main-belt Asteroid          SPK-ID: 2120009 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04032858579268968 4.2003e-08   a 2.640364245995929 1.8404e-08 au q 2.533882089977332 1.1287e-07 au i 22.40785238411051 5.4033e-06 deg node 129.4398054450898 1.0144e-05 deg peri 140.5575529904001 7.0187e-05 deg M 288.4146595279111 7.2832e-05 deg tp 2459512.113156653485 (2021-Oct-24.61315665) 0.00031842 TDB period 1567.090910729048 4.29 1.6384e-05 4.486e-08 d yr n .2297250258649764 2.4019e-09 deg/d Q 2.746846402014526 1.9146e-08 au   Orbit Determination Parameters    # obs. used (total)      836      data-arc span      8966 days (24.55 yr)      first obs. used      1996-07-21      last obs. used      2021-02-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53901      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:04:31   Additional Information  Earth MOID = 1.53259 au   Jupiter MOID = 2.46949 au   T_jup = 3.287  [ 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 14.91   n/a E2021B55   120009 (2003 AU5)          Discovered 2003-Jan-01 by LINEAR at Socorro Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 15:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin