+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344401 (2002 AJ22) Classification: Main-belt Asteroid          SPK-ID: 2344401 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1292154110704357 5.4367e-08   a 2.612623287007656 1.8194e-08 au q 2.275032095004768 1.4167e-07 au i 12.0371416181938 9.1298e-06 deg node 310.8826385641485 4.2955e-05 deg peri 148.1643393420313 6.6311e-05 deg M 159.7829255954667 4.9358e-05 deg tp 2458315.892764017969 (2018-Jul-16.39276402) 0.00020881 TDB period 1542.458958208759 4.22 1.6113e-05 4.411e-08 d yr n .2333935681621403 2.438e-09 deg/d Q 2.950214479010543 2.0545e-08 au   Orbit Determination Parameters    # obs. used (total)      258      data-arc span      6794 days (18.60 yr)      first obs. used      2000-09-23      last obs. used      2019-05-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63077      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 23:03:09   Additional Information  Earth MOID = 1.30043 au   Jupiter MOID = 2.1904 au   T_jup = 3.366  [ 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 16.2   n/a MPO266852   344401 (2002 AJ22)          Discovered 2002-Jan-09 by Spacewatch at Kitt Peak Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-12 07:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin