+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101676 (1999 CY107) Classification: Main-belt Asteroid          SPK-ID: 2101676 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05762175820562487 3.9292e-08   a 3.113635864656024 2.6698e-08 au q 2.934222691722453 1.357e-07 au i 10.37801207180201 4.7971e-06 deg node 151.8660420815318 2.9661e-05 deg peri 322.1023732575207 6.6061e-05 deg M 339.7913172427745 5.7057e-05 deg tp 2459113.151158916668 (2020-Sep-20.65115892) 0.00031787 TDB period 2006.781822308553 5.49 2.5811e-05 7.067e-08 d yr n .1793916986879345 2.3073e-09 deg/d Q 3.293049037589596 2.8236e-08 au   Orbit Determination Parameters    # obs. used (total)      664      data-arc span      7947 days (21.76 yr)      first obs. used      1999-02-12      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58494      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:33   Additional Information  Earth MOID = 1.9575 au   Jupiter MOID = 1.7581 au   T_jup = 3.190  [ 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 14.6   n/a MPO453470   diameter diameter 4.236 km 1.650 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.171   0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101676 (1999 CY107)          Discovered 1999-Feb-12 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 CY107 = 2000 HX75  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 16:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin