+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   434180 (2002 UB77) Classification: Main-belt Asteroid          SPK-ID: 2434180 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2050266605244113 7.9562e-08   a 2.282093864119592 1.1891e-08 au q 1.814203780155903 1.7858e-07 au i 3.793144237183663 8.9913e-06 deg node 178.1142499889854 6.793e-05 deg peri 147.4073137179236 7.2774e-05 deg M 149.5459624510061 2.0751e-05 deg tp 2458677.416678035970 (2019-Jul-12.91667804) 7.1588e-05 TDB period 1259.211501405427 3.45 9.8415e-06 2.694e-08 d yr n .2858931955419705 2.2344e-09 deg/d Q 2.749983948083282 1.4329e-08 au   Orbit Determination Parameters    # obs. used (total)      134      data-arc span      7218 days (19.76 yr)      first obs. used      2001-04-15      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53644      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:10:48   Additional Information  Earth MOID = .801975 au   Jupiter MOID = 2.59357 au   T_jup = 3.574  [ 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 17.7   n/a MPO495161   434180 (2002 UB77)          Discovered 2002-Oct-31 by NEAT at Palomar Reference: Last Updated: 2015-06-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 19:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin