+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3083 OAFA (1974 MH) Classification: Main-belt Asteroid          SPK-ID: 2003083 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1517948867120037 2.7837e-08   a 2.284188339846181 7.3086e-09 au q 1.93746022957035 6.1989e-08 au i 6.482326408142261 4.2763e-06 deg node 346.4746185433833 2.7309e-05 deg peri 263.7773371731406 3.1223e-05 deg M 132.3325714994339 1.4578e-05 deg tp 2458536.988468421924 (2019-Feb-22.48846842) 5.1178e-05 TDB period 1260.945430723539 3.45 6.0519e-06 1.657e-08 d yr n .2855000630704768 1.3702e-09 deg/d Q 2.630916450122012 8.418e-09 au   Orbit Determination Parameters    # obs. used (total)      2119      data-arc span      24094 days (65.97 yr)      first obs. used      1954-11-23      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47043      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:10:13   Additional Information  Earth MOID = .936749 au   Jupiter MOID = 2.43592 au   T_jup = 3.579  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.7   n/a MPO435727   diameter diameter 3.588 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.420   0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   3083 OAFA (1974 MH)          Discovered 1974-Jun-17 by Felix Aguilar Observatory at El Leoncito Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1974 MH = 1974 KD = 1977 FA3 = 1978 SE7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 15:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin