+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   63415 (2001 KH55) Classification: Main-belt Asteroid          SPK-ID: 2063415 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2462691978882502 4.1469e-08   a 2.543700398049352 1.3299e-08 au q 1.917265341353715 1.0397e-07 au i 7.352392563208884 3.5765e-06 deg node 138.0905844706218 3.4704e-05 deg peri 188.0985638507377 3.5998e-05 deg M 227.6726750835547 1.1923e-05 deg tp 2459745.183721478245 (2022-Jun-14.68372148) 5.064e-05 TDB period 1481.826522647397 4.06 1.1621e-05 3.182e-08 d yr n .2429434178009126 1.9053e-09 deg/d Q 3.170135454744988 1.6574e-08 au   Orbit Determination Parameters    # obs. used (total)      1094      data-arc span      10536 days (28.85 yr)      first obs. used      1992-03-11      last obs. used      2021-01-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54449      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:24:41   Additional Information  Earth MOID = .903787 au   Jupiter MOID = 2.18285 au   T_jup = 3.390  [ 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 15.24   n/a E2021B10   diameter diameter 2.711 km 0.286 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.182   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   63415 (2001 KH55)          Discovered 2001-May-22 by LINEAR at Socorro Reference: 20030614/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 2076-Mar-14 18:20 00:01 David 0.035145239293015 0.0351433047540004 0.035147176831127 5.97492342481587 5.9749233528736 2479377.264193656 1.30725698197684 664.714196839229 60.6144724501509 83.4875047660784 86148.0477517762 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 19:24:43 2021-Feb-24 19:24 Alternate Designations  2001 KH55 = 2000 DA23  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-09 05:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin