+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7841 (1994 UE1) Classification: Main-belt Asteroid          SPK-ID: 2007841 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1113082838305719 7.095e-08   a 2.713480680676592 2.1538e-08 AU q 2.411447802903068 1.9325e-07 AU i 6.61640310544891 8.6762e-06 deg node 242.1912877792199 5.1039e-05 deg peri 149.2654736185874 6.193e-05 deg M 58.85272818688581 3.3847e-05 deg tp 2456133.597509194332 (2012-Jul-25.09750919) 0.00015306 JED period 1632.632838785731 4.47 1.9438e-05 5.322e-08 d yr n .2205027312005739 2.6253e-09 deg/d Q 3.015513558450116 2.3935e-08 AU   Orbit Determination Parameters    # obs. used (total)      902      data-arc span      13311 days (36.44 yr)      first obs. used      1976-10-24      last obs. used      2013-04-04      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .55167      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:28:19   Additional Information  Earth MOID = 1.41974 AU   T_jup = 3.343  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.2 mag n/a PDS3 (MPC 30442)   7841 (1994 UE1)          Discovered 1994-Oct-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1994 UE1 = 1976 UC2 = 1987 DG4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 17:09 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin