+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2050840763152332 7.4996e-08   a 2.281994203121622 1.19e-08 au q 1.813993529817708 1.6785e-07 au i 3.793636313046961 8.4949e-06 deg node 178.1089584915821 6.6669e-05 deg peri 147.4403583400353 6.975e-05 deg M 205.5412464786561 1.7298e-05 deg tp 2459936.731939831561 (2022-Dec-23.23193983) 6.2187e-05 TDB period 1259.129016035256 3.45 9.849e-06 2.697e-08 d yr n .2859119243662318 2.2364e-09 deg/d Q 2.749994876425537 1.434e-08 au   Orbit Determination Parameters    # obs. used (total)      141      data-arc span      7242 days (19.83 yr)      first obs. used      2001-04-15      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52962      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 14:15:10   Additional Information  Earth MOID = .802988 au   Jupiter MOID = 2.59314 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 17.82   n/a MPCxxxxx   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-Jul-25 13:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin