+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17087 (1999 JC19) Classification: Main-belt Asteroid          SPK-ID: 2017087 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1445289055016697 4.1752e-08   a 3.129445534692209 1.708e-08 au q 2.677150196736056 1.3467e-07 au i 5.188711859973114 4.5059e-06 deg node 10.53081908209319 3.9908e-05 deg peri 323.8783970595822 4.1486e-05 deg M 216.3451926554145 1.2277e-05 deg tp 2460007.395300926828 (2023-Mar-03.89530093) 7.1403e-05 TDB period 2022.085537568378 5.54 1.6554e-05 4.532e-08 d yr n .1780340115744616 1.4575e-09 deg/d Q 3.581740872648361 1.9548e-08 au   Orbit Determination Parameters    # obs. used (total)      1853      data-arc span      18254 days (49.98 yr)      first obs. used      1971-03-24      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50719      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:53:15   Additional Information  Earth MOID = 1.66781 au   Jupiter MOID = 1.80587 au   T_jup = 3.191  [ 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 13.42   n/a E2021B10   diameter diameter 12.162 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.060   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17087 (1999 JC19)          Discovered 1999-May-10 by LINEAR at Socorro Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 JC19 = 1993 FL83 = 3317 T-1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-14 18:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin