+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09231175876792448 4.2434e-08   a 2.902425311082663 1.9135e-08 au q 2.634497325924082 1.22e-07 au i 21.21279584797783 5.1486e-06 deg node 68.89815935015402 1.8362e-05 deg peri 184.8628104587931 4.9752e-05 deg M 159.0905224692704 4.8446e-05 deg tp 2458202.354970649134 (2018-Mar-24.85497065) 0.00024205 TDB period 1806.092569856336 4.94 1.7861e-05 4.89e-08 d yr n .1993253313857749 1.9712e-09 deg/d Q 3.170353296241244 2.0901e-08 au   Orbit Determination Parameters    # obs. used (total)      1388      data-arc span      14300 days (39.15 yr)      first obs. used      1980-11-29      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50253      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 22:14:03   Additional Information  Earth MOID = 1.62067 au   Jupiter MOID = 1.87536 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 13.2   n/a MPO358803   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 ] 2020-Aug-10 20:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin