+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14956 (1996 DB1) Classification: Main-belt Asteroid          SPK-ID: 2014956 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09768886522290496 3.5752e-08   a 2.41223302678814 9.2033e-09 au q 2.176584719747993 8.9176e-08 au i 6.586770817202655 4.6115e-06 deg node 343.0814554080586 3.3231e-05 deg peri 300.477464909755 4.1429e-05 deg M 57.62048572497183 2.4864e-05 deg tp 2458781.470944733984 (2019-Oct-24.97094473) 9.446e-05 TDB period 1368.4449012132 3.75 7.8315e-06 2.144e-08 d yr n .2630723383022879 1.5055e-09 deg/d Q 2.647881333828287 1.0102e-08 au   Orbit Determination Parameters    # obs. used (total)      2275      data-arc span      8588 days (23.51 yr)      first obs. used      1996-02-22      last obs. used      2019-08-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4016      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 23:38:43   Additional Information  Earth MOID = 1.16917 au   Jupiter MOID = 2.49757 au   T_jup = 3.503  [ 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 14.1   n/a MPO384884   diameter diameter 3.377 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.427   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14956 (1996 DB1)          Discovered 1996-Feb-22 by Kobayashi, T. at Oizumi Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1952-Dec-04 22:57 < 00:01 Juno 0.0218068624661011 0.0218021806825773 0.0218115462185019 9.2705995199429 9.2705994597639 2434351.455918239 0.319379340272634 404.072913629522 32.0129912742904 -54.9612465343123 83545.4144496763 T 24 CATAB v2.0f-lin.ifort 2020-Jan-28 23:39:22 2020-Jan-28 23:39 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-04 16:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin