+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101527 (1998 XM76) Classification: Main-belt Asteroid          SPK-ID: 2101527 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1922984939500961 3.8265e-08   a 2.68571885972794 1.2614e-08 au q 2.169259167828888 1.0175e-07 au i 12.56625355054957 5.0196e-06 deg node 102.6551086061968 1.7924e-05 deg peri 300.3041455789435 2.1536e-05 deg M 26.97364284027246 1.1837e-05 deg tp 2459080.044578369037 (2020-Aug-18.54457837) 5.2674e-05 TDB period 1607.641653889 4.40 1.1326e-05 3.101e-08 d yr n .2239305003880275 1.5776e-09 deg/d Q 3.202178551626992 1.5039e-08 au   Orbit Determination Parameters    # obs. used (total)      1029      data-arc span      8122 days (22.24 yr)      first obs. used      1998-12-15      last obs. used      2021-03-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4933      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:37:11   Additional Information  Earth MOID = 1.20873 au   Jupiter MOID = 2.25289 au   T_jup = 3.314  [ 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 MPO432542   diameter diameter 6.011 km 0.336 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.059   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101527 (1998 XM76)          Discovered 1998-Dec-15 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 XM76 = 2004 BH111  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 07:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin