+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26489 (2000 AS242) Classification: Main-belt Asteroid          SPK-ID: 2026489 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1200844943664296 3.8457e-08   a 3.160524168856368 2.0813e-08 au q 2.780994222106371 1.2265e-07 au i 13.63134352384058 4.3024e-06 deg node 143.8992182398822 1.9034e-05 deg peri 89.52892603251433 2.6985e-05 deg M 152.4596881322294 2.1242e-05 deg tp 2458131.360221922015 (2018-Jan-12.86022192) 0.00011694 TDB period 2052.282304530904 5.62 2.0273e-05 5.55e-08 d yr n .1754144637924392 1.7328e-09 deg/d Q 3.540054115606365 2.3313e-08 au   Orbit Determination Parameters    # obs. used (total)      1294      data-arc span      15091 days (41.32 yr)      first obs. used      1979-07-24      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51183      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 20:51:04   Additional Information  Earth MOID = 1.81402 au   Jupiter MOID = 1.65648 au   T_jup = 3.150  [ 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 13.5   n/a MPO502355   diameter diameter 7.396 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.204   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   26489 (2000 AS242)          Discovered 2000-Jan-07 by LINEAR at Socorro Reference: 20010705/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 AS242 = 1979 OK11 = 1983 CM5 = 1998 XB86  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 12:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin