+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26453 (2000 AH89) Classification: Main-belt Asteroid          SPK-ID: 2026453 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09571074362711807 4.2932e-08   a 2.185517565146939 6.4796e-09 au q 1.976340053776597 9.37e-08 au i 4.10253616256237 3.2721e-06 deg node 152.3930238216125 6.1749e-05 deg peri 238.7149292476227 6.4051e-05 deg M 250.7864054157653 1.7975e-05 deg tp 2459558.517354796272 (2021-Dec-10.01735480) 5.9351e-05 TDB period 1180.130076455364 3.23 5.2482e-06 1.437e-08 d yr n .3050511186709987 1.3566e-09 deg/d Q 2.394695076517281 7.0997e-09 au   Orbit Determination Parameters    # obs. used (total)      1422      data-arc span      9594 days (26.27 yr)      first obs. used      1994-04-02      last obs. used      2020-07-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .46773      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 05:19:19   Additional Information  Earth MOID = .983594 au   Jupiter MOID = 2.94325 au   T_jup = 3.668  [ 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 15.0   n/a MPO459041   diameter diameter 2.676 km 0.542 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.296   0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   26453 (2000 AH89)          Discovered 2000-Jan-05 by LINEAR at Socorro Reference: 20010705/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 AH89 = 1994 GX1 = 1998 MW35  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 06:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin