+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26164 (1995 FK4) Classification: Main-belt Asteroid          SPK-ID: 2026164 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1972878024724007 3.485e-08   a 2.787943849160975 1.3457e-08 au q 2.23791653374356 9.7707e-08 au i 9.536746180505363 4.0498e-06 deg node 158.8806735116252 2.4535e-05 deg peri 267.8315966008477 2.6769e-05 deg M 234.7739982318806 1.2466e-05 deg tp 2459591.947873338750 (2022-Jan-12.44787334) 6.1189e-05 TDB period 1700.295716509543 4.66 1.231e-05 3.37e-08 d yr n .2117278756303797 1.533e-09 deg/d Q 3.33797116457839 1.6112e-08 au   Orbit Determination Parameters    # obs. used (total)      1876      data-arc span      9324 days (25.53 yr)      first obs. used      1995-02-24      last obs. used      2020-09-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .482      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:30:30   Additional Information  Earth MOID = 1.27578 au   Jupiter MOID = 2.07325 au   T_jup = 3.282  [ 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 13.4   n/a MPO384973   diameter diameter 13.830 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   26164 (1995 FK4)          Discovered 1995-Mar-23 by Spacewatch at Kitt Peak Reference: 20010705/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1995 FK4 = 1998 XZ85  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 23:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin