+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   434955 (2006 US47) Classification: Main-belt Asteroid          SPK-ID: 2434955 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1636280418742916 1.0241e-07   a 2.998570677998419 5.0842e-08 au q 2.50792042953587 3.1677e-07 au i 7.472819377565995 6.6662e-06 deg node 278.3359319400536 5.9047e-05 deg peri 81.4541130253513 6.5683e-05 deg M 227.6666068297515 3.4595e-05 deg tp 2459697.666979878572 (2022-Apr-28.16697988) 0.00019766 TDB period 1896.574301796956 5.19 4.8236e-05 1.321e-07 d yr n .1898159221386208 4.8276e-09 deg/d Q 3.489220926460967 5.9161e-08 au   Orbit Determination Parameters    # obs. used (total)      122      data-arc span      5001 days (13.69 yr)      first obs. used      2006-08-18      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61247      source      ORB      producer      Otto Matic      solution date      2020-May-22 03:28:30   Additional Information  Earth MOID = 1.51812 au   Jupiter MOID = 2.04929 au   T_jup = 3.220  [ hide covariance matrix ] Orbital Elements at Epoch 2457026.5 (2015-Jan-04.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1628907708106548 1.0238e-07   q 2.510605134273435 3.1632e-07 au tp 2457802.654254912236 (2017-Feb-18.15425491) 0.00015811 TDB node 278.3452100296861 5.9045e-05 deg peri 81.91126199991129 6.577e-05 deg i 7.471994876232477 6.665e-06 deg   Orbit Determination Parameters    # obs. used (total)      122      data-arc span      5001 days (13.69 yr)      first obs. used      2006-08-18      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61247      source      ORB      producer      Otto Matic      solution date      2020-May-22 03:28:30   Additional Information  Jupiter MOID = 2.04929 au   T_jup = 3.220  Orbit Covariance (6×6)   e q tp node peri i e 1.048259113396937E-14 -3.210151805169845E-14 -3.963942077473049E-12 2.107899177541986E-13 -4.10530017298309E-13 -1.499625046085927E-14 q -3.210151805169845E-14 1.000584861485337E-13 1.72069661250174E-11 -6.591240798938957E-13 2.123413931391083E-12 5.129865524355875E-14 tp -3.963942077473049E-12 1.72069661250174E-11 2.49973855764754E-8 -1.542240690359094E-10 4.624824411797901E-9 2.668347612459741E-11 node 2.107899177541986E-13 -6.591240798938957E-13 -1.542240690359094E-10 3.486271688220019E-9 -3.474654633211553E-9 1.455406848461489E-10 peri -4.10530017298309E-13 2.123413931391083E-12 4.624824411797901E-9 -3.474654633211553E-9 4.325758500676403E-9 -1.401728868704265E-10 i -1.499625046085927E-14 5.129865524355875E-14 2.668347612459741E-11 1.455406848461489E-10 -1.401728868704265E-10 4.44227119797503E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.4   n/a MPO437683   diameter diameter 4.064 km 0.639 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.022   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   434955 (2006 US47)          Discovered 2006-Oct-17 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-06-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-18 12:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin