+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227629 (2006 BT77) Classification: Main-belt Asteroid          SPK-ID: 2227629 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08064403073488781 5.8159e-08   a 2.85252161857049 2.7242e-08 au q 2.622482777490559 1.7516e-07 au i 3.108659350610552 5.2594e-06 deg node 99.70736810342918 0.00011423 deg peri 263.8882844475249 0.00011848 deg M 154.521247646849 3.2364e-05 deg tp 2458445.185974940951 (2018-Nov-22.68597494) 0.0001571 TDB period 1759.7130049241 4.82 2.5208e-05 6.902e-08 d yr n .2045788142683685 2.9306e-09 deg/d Q 3.08256045965042 2.9438e-08 au   Orbit Determination Parameters    # obs. used (total)      220      data-arc span      9685 days (26.52 yr)      first obs. used      1994-09-08      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59537      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:40:31   Additional Information  Earth MOID = 1.62058 au   Jupiter MOID = 2.31377 au   T_jup = 3.298  [ 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 16.1   n/a MPO413104   227629 (2006 BT77)          Discovered 2006-Jan-23 by Mt. Lemmon Survey at Mount Lemmon Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 18:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin