+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2050148689830697 8.1919e-08   a 2.281840393209995 1.1891e-08 au q 1.814029183955771 1.8407e-07 au i 3.793013164251795 9.2452e-06 deg node 178.1226742548461 6.8676e-05 deg peri 147.3595062362788 7.4077e-05 deg M 92.415279307825 2.1658e-05 deg tp 2458677.302790675463 (2019-Jul-12.80279068) 7.5188e-05 TDB period 1259.001717338116 3.45 9.8415e-06 2.694e-08 d yr n .2859408331556063 2.2352e-09 deg/d Q 2.749651602464218 1.4329e-08 au   Orbit Determination Parameters    # obs. used (total)      127      data-arc span      6798 days (18.61 yr)      first obs. used      2001-04-15      last obs. used      2019-11-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50719      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 22:45:28   Additional Information  Earth MOID = .803737 au   Jupiter MOID = 2.5938 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 ] 2020-Jul-09 08:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin