+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160395 (2004 PF74) Classification: Main-belt Asteroid          SPK-ID: 2160395 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06766998925072701 4.3541e-08   a 3.04034312505467 2.4112e-08 au q 2.834603138463699 1.2971e-07 au i 12.31922199640792 4.8246e-06 deg node 122.1616188507871 2.2126e-05 deg peri 343.8998111194506 5.7012e-05 deg M 250.8418353268576 5.6124e-05 deg tp 2459787.632405137134 (2022-Jul-27.13240514) 0.00030694 TDB period 1936.343162989931 5.30 2.3035e-05 6.307e-08 d yr n .1859174586823338 2.2117e-09 deg/d Q 3.246083111645641 2.5743e-08 au   Orbit Determination Parameters    # obs. used (total)      453      data-arc span      7282 days (19.94 yr)      first obs. used      2000-11-26      last obs. used      2020-11-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52547      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:01:52   Additional Information  Earth MOID = 1.85308 au   Jupiter MOID = 1.85062 au   T_jup = 3.202  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.42   n/a E2021B55   diameter diameter 3.797 km 1.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.102   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   160395 (2004 PF74)          Discovered 2004-Aug-08 by LINEAR at Socorro Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 [ show close-approach data ] Alternate Designations  2004 PF74 = 2005 UG214  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 02:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin