+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120577 (1995 QU5) Classification: Main-belt Asteroid          SPK-ID: 2120577 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2265177128707294 1.3015e-07   a 2.521539363785359 9.8067e-09 au q 1.950366034187185 3.3084e-07 au i 9.99999904068966 1.1861e-05 deg node 300.5580800746209 2.2804e-05 deg peri 334.0666834797682 4.1824e-05 deg M 96.68047537390011 2.8148e-05 deg tp 2458607.734501085620 (2019-May-04.23450109) 0.00011502 TDB period 1462.503975723602 4.00 8.5319e-06 2.336e-08 d yr n .2461531770003449 1.436e-09 deg/d Q 3.092712693383532 1.2028e-08 au   Orbit Determination Parameters    # obs. used (total)      452      data-arc span      8887 days (24.33 yr)      first obs. used      1995-07-02      last obs. used      2019-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4701      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 14:13:40   Additional Information  Earth MOID = .939246 au   Jupiter MOID = 2.08136 au   T_jup = 3.399  [ 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 16.4   n/a MPO436582   120577 (1995 QU5)          Discovered 1995-Aug-22 by Spacewatch at Kitt Peak Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-26 17:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin