+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   85390 (1996 QZ2) Classification: Main-belt Asteroid          SPK-ID: 2085390 [ 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 .2613545767907951 4.1395e-08   a 2.612172911439022 1.4044e-08 au q 1.929469565665497 1.1255e-07 au i 2.719736531768687 3.5591e-06 deg node 250.7641499832524 9.6873e-05 deg peri 91.05090256141456 9.7059e-05 deg M 219.1424682951817 7.559e-06 deg tp 2459603.863288526168 (2022-Jan-24.36328853) 3.5308e-05 TDB period 1542.06013154205 4.22 1.2436e-05 3.405e-08 d yr n .233453931293848 1.8827e-09 deg/d Q 3.294876257212546 1.7715e-08 au   Orbit Determination Parameters    # obs. used (total)      1024      data-arc span      16297 days (44.62 yr)      first obs. used      1975-10-03      last obs. used      2020-05-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48948      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:01:07   Additional Information  Earth MOID = .923702 au   Jupiter MOID = 2.13316 au   T_jup = 3.358  [ 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 15.1   n/a MPO337902   diameter diameter 4.938 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.072   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   85390 (1996 QZ2)          Discovered 1996-Aug-18 by Elst, E. W. at Caussols Reference: 20040830/Numbers.arc Last Updated: 2004-09-06 [ show close-approach data ] Alternate Designations  1996 QZ2 = 1975 TS = 1992 XD1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 14:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin