+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2016024232291831 5.0194e-08   a 2.612973053788259 2.0661e-08 au q 2.086191354311987 1.354e-07 au i 12.40258486738343 5.9241e-06 deg node 147.9479674355938 1.9146e-05 deg peri 216.0610705415382 2.3178e-05 deg M 236.347101288575 1.8806e-05 deg tp 2459730.410621336283 (2022-May-30.91062134) 8.558e-05 TDB period 1542.768715242707 4.22 1.8298e-05 5.01e-08 d yr n .2333467074119176 2.7677e-09 deg/d Q 3.139754753264531 2.4826e-08 au   Orbit Determination Parameters    # obs. used (total)      456      data-arc span      6726 days (18.41 yr)      first obs. used      2001-12-19      last obs. used      2020-05-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5393      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:05:56   Additional Information  Earth MOID = 1.09359 au   Jupiter MOID = 2.33686 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 15.66   n/a E2021B55   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 ] 2021-Apr-18 22:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin