+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2263570588644387 9.5402e-08   a 2.522049826478395 9.3016e-09 au q 1.951166045447177 2.4202e-07 au i 9.99994081768603 1.0315e-05 deg node 300.5584754831905 2.1135e-05 deg peri 334.107751579285 3.1664e-05 deg M 145.8631072348914 1.9685e-05 deg tp 2458607.749566135398 (2019-May-04.24956614) 8.0301e-05 TDB period 1462.948104126309 4.01 8.0932e-06 2.216e-08 d yr n .2460784487054628 1.3613e-09 deg/d Q 3.092933607509611 1.1407e-08 au   Orbit Determination Parameters    # obs. used (total)      462      data-arc span      9318 days (25.51 yr)      first obs. used      1995-07-02      last obs. used      2021-01-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4649      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:25:25   Additional Information  Earth MOID = .938168 au   Jupiter MOID = 2.0805 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 ] 2021-Mar-01 18:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin