+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134325 (4492 T-2) Classification: Main-belt Asteroid          SPK-ID: 2134325 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1606765953255208 5.5435e-08   a 2.262154275350401 1.1779e-08 au q 1.898679028286028 1.2662e-07 au i 5.306604992693467 5.7256e-06 deg node 24.02854551660779 4.8401e-05 deg peri 320.1572917343538 5.0894e-05 deg M 272.3801745758441 1.8534e-05 deg tp 2459302.969535471882 (2021-Mar-29.46953547) 6.5185e-05 TDB period 1242.744233314322 3.40 9.7062e-06 2.657e-08 d yr n .2896814890380962 2.2625e-09 deg/d Q 2.625629522414775 1.3671e-08 au   Orbit Determination Parameters    # obs. used (total)      416      data-arc span      17018 days (46.59 yr)      first obs. used      1973-09-20      last obs. used      2020-04-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5612      source      ORB      producer      Otto Matic      solution date      2020-May-20 22:18:34   Additional Information  Earth MOID = .895148 au   Jupiter MOID = 2.77984 au   T_jup = 3.596  [ 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 16.6   n/a MPO426834   134325 (4492 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 Alternate Designations  4492 T-2 = 2004 YO4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-26 16:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin