+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   48585 (1994 PK37) Classification: Main-belt Asteroid          SPK-ID: 2048585 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1648701870713212 4.1607e-08   a 2.374521989418717 1.0502e-08 au q 1.983034104818288 9.571e-08 au i 4.01057893900921 3.8852e-06 deg node 296.5315292626067 5.8827e-05 deg peri 254.27917905918 6.0193e-05 deg M 139.9972070695251 1.1474e-05 deg tp 2458480.767839497282 (2018-Dec-28.26783950) 4.2271e-05 TDB period 1336.480789135025 3.66 8.8661e-06 2.427e-08 d yr n .2693641412032517 1.7869e-09 deg/d Q 2.766009874019147 1.2233e-08 au   Orbit Determination Parameters    # obs. used (total)      1272      data-arc span      9141 days (25.03 yr)      first obs. used      1994-08-10      last obs. used      2019-08-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50716      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 02:15:20   Additional Information  Earth MOID = .987849 au   Jupiter MOID = 2.21411 au   T_jup = 3.521  [ 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 14.9   n/a MPO324745   diameter diameter 6.103 km 1.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.052   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   48585 (1994 PK37)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1991-Dec-11 17:19 < 00:01 Thisb 0.0197450948469752 0.019743979754144 0.0197462100225036 4.84995309524415 4.84995302404448 2448602.221301106 0.463737935332671 154.786050021649 49.8909568993829 80.3692445992583 58434.2623962708 T 24 CATAB v2.0f-lin.ifort 2019-Sep-24 02:15:26 2019-Sep-24 02:15 Alternate Designations  1994 PK37 = 1999 XC103  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-14 01:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin