+ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1648701580425142 4.1498e-08   a 2.374521989944815 9.5211e-09 au q 1.983034174187188 9.5607e-08 au i 4.010580854016359 3.1881e-06 deg node 296.5315918235817 5.7772e-05 deg peri 254.2791143689085 5.8448e-05 deg M 139.9972127211615 1.0001e-05 deg tp 2458480.767818343156 (2018-Dec-28.26781834) 3.5875e-05 TDB period 1336.48078957919 3.66 8.0383e-06 2.201e-08 d yr n .2693641411137314 1.6201e-09 deg/d Q 2.766009805702442 1.1091e-08 au   Orbit Determination Parameters    # obs. used (total)      1532      data-arc span      9585 days (26.24 yr)      first obs. used      1994-08-10      last obs. used      2020-11-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49264      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:49:51   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 28 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:54 2020-Dec-18 03:49 Alternate Designations  1994 PK37 = 1999 XC103  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 19:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin