+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78158 (2002 NZ27) Classification: Main-belt Asteroid          SPK-ID: 2078158 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2418019793217545 6.0551e-08   a 2.6658444366721 1.8263e-08 au q 2.021237975320898 1.6229e-07 au i 13.40261554061738 6.7648e-06 deg node 310.7329709376965 2.1625e-05 deg peri 349.0688619465313 2.4295e-05 deg M 106.6986135558307 1.2775e-05 deg tp 2458729.298237025261 (2019-Sep-02.79823703) 5.4643e-05 TDB period 1589.829792700584 4.35 1.6337e-05 4.473e-08 d yr n .22643933435697 2.3269e-09 deg/d Q 3.310450898023301 2.2679e-08 au   Orbit Determination Parameters    # obs. used (total)      923      data-arc span      7651 days (20.95 yr)      first obs. used      2000-02-01      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45429      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 07:13:53   Additional Information  Earth MOID = 1.00543 au   Jupiter MOID = 1.95622 au   T_jup = 3.303  [ 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 MPO526668   diameter diameter 3.225 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.224   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78158 (2002 NZ27)          Discovered 2002-Jul-13 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 NZ27 = 2000 CF128  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-25 19:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin