+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20192 (1997 BE4) Classification: Main-belt Asteroid          SPK-ID: 2020192 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2076854022468247 5.3715e-08   a 2.615096051113135 1.6758e-08 au q 2.071978775823621 1.4689e-07 au i 3.00479672884604 5.276e-06 deg node 310.1109044198178 8.597e-05 deg peri 42.41445408927581 8.6518e-05 deg M 344.023504947324 1.2513e-05 deg tp 2459269.050227860100 (2021-Feb-23.55022786) 5.4102e-05 TDB period 1544.649308141123 4.23 1.4848e-05 4.065e-08 d yr n .2330626104596096 2.2403e-09 deg/d Q 3.15821332640265 2.0238e-08 au   Orbit Determination Parameters    # obs. used (total)      1060      data-arc span      8762 days (23.99 yr)      first obs. used      1996-12-19      last obs. used      2020-12-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54064      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:14:50   Additional Information  Earth MOID = 1.06597 au   Jupiter MOID = 2.28684 au   T_jup = 3.375  [ 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 14.63   n/a E2021B10   diameter diameter 6.559 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.045   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20192 (1997 BE4)          Discovered 1997-Jan-31 by Spacewatch at Kitt Peak Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1997 BE4 = 1999 LH35 = 2000 SX172  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 14:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin