+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17866 (1998 KV45) Classification: Main-belt Asteroid          SPK-ID: 2017866 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09208745131347985 1.7335e-08   a 2.903039481208345 1.8233e-08 au q 2.635705974321461 5.4011e-08 au i 21.20998329756913 1.0112e-06 deg node 68.89772030579745 1.755e-06 deg peri 184.9079551194822 2.0347e-05 deg M 198.8962577265031 2.4652e-05 deg tp 2460009.001757380915 (2023-Mar-05.50175738) 0.00012704 TDB period 1806.665869766152 4.95 1.702e-05 4.66e-08 d yr n .1992620805122073 1.8772e-09 deg/d Q 3.170372988095228 1.9911e-08 au   Orbit Determination Parameters    # obs. used (total)      1612      data-arc span      14698 days (40.24 yr)      first obs. used      1980-11-29      last obs. used      2021-02-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47877      source      ORB      producer      Otto Matic      solution date      2021-Mar-17 01:44:14   Additional Information  Earth MOID = 1.62031 au   Jupiter MOID = 1.87434 au   T_jup = 3.179  [ 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 13.29   n/a E2021B10   diameter diameter 15.150 km 2.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.049   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   17866 (1998 KV45)          Discovered 1998-May-22 by LINEAR at Socorro Reference: 20001013/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 KV45 = 1980 WA3 = 2000 RX61  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-10 15:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin