+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   39625 (1994 PV9) Classification: Main-belt Asteroid          SPK-ID: 2039625 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1169383648425784 6.0723e-08   a 3.019888197224836 2.1037e-08 au q 2.666747409433962 1.9549e-07 au i 1.209640468397112 4.4251e-06 deg node 197.240977886527 0.00018337 deg peri 140.7029755496169 0.0001843 deg M 327.3345807057365 1.5403e-05 deg tp 2459174.428383405883 (2020-Nov-20.92838341) 8.1706e-05 TDB period 1916.834970402898 5.25 2.003e-05 5.484e-08 d yr n .1878095952748253 1.9625e-09 deg/d Q 3.37302898501571 2.3497e-08 au   Orbit Determination Parameters    # obs. used (total)      820      data-arc span      9568 days (26.20 yr)      first obs. used      1994-08-10      last obs. used      2020-10-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51672      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 00:20:27   Additional Information  Earth MOID = 1.6577 au   Jupiter MOID = 1.99107 au   T_jup = 3.236  [ hide covariance matrix ] Orbital Elements at Epoch 2457225.5 (2015-Jul-22.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1181621613936004 6.1025e-08   q 2.660506116759325 1.9647e-07 au tp 2457267.288120649179 (2015-Sep-01.78812065) 8.5539e-05 TDB node 197.3517098743398 0.00018315 deg peri 141.9495868362808 0.00018404 deg i 1.210191613283119 4.4293e-06 deg   Orbit Determination Parameters    # obs. used (total)      820      data-arc span      9568 days (26.20 yr)      first obs. used      1994-08-10      last obs. used      2020-10-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51672      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 00:20:27   Additional Information  Jupiter MOID = 1.99107 au   T_jup = 3.236  Orbit Covariance (6×6)   e q tp node peri i e 3.724046622465937E-15 -1.195783774762641E-14 2.010811373442258E-12 -1.825770950715281E-14 5.230179760790526E-13 -9.830080567669395E-16 q -1.195783774762641E-14 3.860131009172229E-14 -6.683510974177937E-12 6.008301565306697E-14 -1.725529598399171E-12 3.160625084055557E-15 tp 2.010811373442258E-12 -6.683510974177937E-12 7.31690483218094E-9 -1.70457224491347E-11 1.55643292022418E-9 -8.613780193048703E-14 node -1.825770950715281E-14 6.008301565306697E-14 -1.70457224491347E-11 3.354411220505152E-8 -3.354022358217674E-8 -2.498893749938215E-10 peri 5.230179760790526E-13 -1.725529598399171E-12 1.55643292022418E-9 -3.354022358217674E-8 3.387028585280771E-8 2.497909196191945E-10 i -9.830080567669395E-16 3.160625084055557E-15 -8.613780193048703E-14 -2.498893749938215E-10 2.497909196191945E-10 1.961877931573467E-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 15.1   n/a MPO436048   diameter diameter 4.712 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.126   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   39625 (1994 PV9)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla Reference: 20020526/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1994 PV9 = 2000 UO2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 11:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin