+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   305074 (2007 UK104) Classification: Main-belt Asteroid          SPK-ID: 2305074 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04774687317296189 4.4753e-08   a 2.56369578556179 1.8225e-08 au q 2.441287328034514 1.1692e-07 au i 14.15293245998749 7.5499e-06 deg node 229.78753600 1.6624e-05 deg peri 253.8541493791378 0.0001016 deg M 325.4414978341153 9.6794e-05 deg tp 2459144.429750090024 (2020-Oct-21.92975009) 0.00040313 TDB period 1499.333211366983 4.10 1.5988e-05 4.377e-08 d yr n .2401067336271289 2.5604e-09 deg/d Q 2.686104243089066 1.9096e-08 au   Orbit Determination Parameters    # obs. used (total)      499      data-arc span      7323 days (20.05 yr)      first obs. used      2000-01-08      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48523      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 17:52:48   Additional Information  Earth MOID = 1.49636 au   Jupiter MOID = 2.42488 au   T_jup = 3.389  [ 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 15.9   n/a MPO503302   305074 (2007 UK104)          Discovered 2007-Oct-30 by Spacewatch at Kitt Peak Reference: 20111110/Numbers.arc Last Updated: 2011-11-14 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-07 10:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin