+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20041 (1992 YH) Classification: Main-belt Asteroid          SPK-ID: 2020041 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ 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 .1913274809928005 5.5898e-08   a 2.59215949350907 1.2042e-08 au q 2.096208147284406 1.4196e-07 au i 13.8154352751917 5.042e-06 deg node 69.94481185683793 1.8153e-05 deg peri 339.5468616394003 2.1051e-05 deg M 239.4377008472106 1.4195e-05 deg tp 2459511.005032080675 (2021-Oct-23.50503208) 6.2192e-05 TDB period 1524.372153156561 4.17 1.0623e-05 2.908e-08 d yr n .2361628026689792 1.6457e-09 deg/d Q 3.088110839733734 1.4346e-08 au   Orbit Determination Parameters    # obs. used (total)      1665      data-arc span      11424 days (31.28 yr)      first obs. used      1989-03-07      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4616      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 18:38:49   Additional Information  Earth MOID = 1.11284 au   Jupiter MOID = 2.29082 au   T_jup = 3.353  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.3   n/a MPO474029   diameter diameter 5.167 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.317   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20041 (1992 YH)          Discovered 1992-Dec-18 by Natori, A., Urata, T. at Yakiimo Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1992 YH = 1996 XB37  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-26 23:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin