+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103822 (2000 DQ23) Classification: Main-belt Asteroid          SPK-ID: 2103822 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09573514937330954 3.2134e-08   a 2.270559395438505 7.7036e-09 au q 2.053187052555229 7.1798e-08 au i 3.454168838344457 3.5819e-06 deg node 337.9764845856383 5.6976e-05 deg peri 65.22806672051327 6.1485e-05 deg M 123.236356510643 2.0734e-05 deg tp 2458772.706603333047 (2019-Oct-16.20660333) 7.2446e-05 TDB period 1249.676858036637 3.42 6.3599e-06 1.741e-08 d yr n .2880744711601644 1.4661e-09 deg/d Q 2.487931738321782 8.4411e-09 au   Orbit Determination Parameters    # obs. used (total)      758      data-arc span      8414 days (23.04 yr)      first obs. used      1997-04-03      last obs. used      2020-04-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51722      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:46:15   Additional Information  Earth MOID = 1.06334 au   Jupiter MOID = 2.81572 au   T_jup = 3.604  [ 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 16.35   n/a E2021B55   103822 (2000 DQ23)          Discovered 2000-Feb-29 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-04 22:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin