+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58051 (2002 YY2) Classification: Main-belt Asteroid          SPK-ID: 2058051 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1190943739681646 3.3628e-08   a 2.381698517527741 7.7189e-09 au q 2.098051623601869 8.2284e-08 au i 1.617954461847034 3.3209e-06 deg node 296.4043143201604 0.00016071 deg peri 154.2657892251009 0.00016177 deg M 275.2630756811045 1.7863e-05 deg tp 2459316.508527374759 (2021-Apr-12.00852737) 6.6671e-05 TDB period 1342.544242304359 3.68 6.5266e-06 1.787e-08 d yr n .2681475877339369 1.3036e-09 deg/d Q 2.665345411453613 8.6382e-09 au   Orbit Determination Parameters    # obs. used (total)      1020      data-arc span      10565 days (28.93 yr)      first obs. used      1991-12-14      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51722      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:40:05   Additional Information  Earth MOID = 1.11478 au   Jupiter MOID = 2.49345 au   T_jup = 3.528  [ 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 15.3   n/a MPO436188   diameter diameter 4.487 km 0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.077   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58051 (2002 YY2)          Discovered 2002-Dec-28 by Ametlla de Mar at Ametlla de Mar Reference: 20030318/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 YY2 = 1997 MZ3 = 2001 QX36  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 11:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin