+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120325 (2004 MH7) Classification: Main-belt Asteroid          SPK-ID: 2120325 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .201427251763962 5.0182e-08   a 2.613297007985395 2.0723e-08 au q 2.086907773623912 1.3538e-07 au i 12.40223713254825 5.926e-06 deg node 147.9460166181956 1.9149e-05 deg peri 216.0636996361232 2.3189e-05 deg M 189.6711284420965 1.8388e-05 deg tp 2459730.574789887077 (2022-May-31.07478989) 8.5654e-05 TDB period 1543.055630882868 4.22 1.8355e-05 5.025e-08 d yr n .2333033189438698 2.7751e-09 deg/d Q 3.139686242346877 2.4898e-08 au   Orbit Determination Parameters    # obs. used (total)      454      data-arc span      6699 days (18.34 yr)      first obs. used      2001-12-19      last obs. used      2020-04-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53897      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:36:49   Additional Information  Earth MOID = 1.09595 au   Jupiter MOID = 2.33608 au   T_jup = 3.347  [ 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 15.6   n/a MPO469247   120325 (2004 MH7)          Discovered 2004-Jun-26 by Spacewatch at Kitt Peak Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-25 09:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin