+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120059 (2003 BA84) Classification: Main-belt Asteroid          SPK-ID: 2120059 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1848986176385495 3.3655e-08   a 2.355320374550735 7.1163e-09 au q 1.919824893200394 7.8638e-08 au i 2.727865986977577 3.9808e-06 deg node 103.8710987565362 7.8456e-05 deg peri 356.1960650658808 7.9145e-05 deg M 18.29610841396186 1.0475e-05 deg tp 2459133.398900797835 (2020-Oct-10.89890080) 3.8328e-05 TDB period 1320.30239252111 3.61 5.9837e-06 1.638e-08 d yr n .2726648092431175 1.2357e-09 deg/d Q 2.790815855901077 8.4321e-09 au   Orbit Determination Parameters    # obs. used (total)      921      data-arc span      10632 days (29.11 yr)      first obs. used      1992-01-27      last obs. used      2021-03-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54442      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:04:45   Additional Information  Earth MOID = .936528 au   Jupiter MOID = 2.36421 au   T_jup = 3.530  [ 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 16.0   n/a MPO449699   diameter diameter 1.645 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.285   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   120059 (2003 BA84)          Discovered 2003-Jan-31 by LONEOS at Anderson Mesa Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2003 BA84 = 1998 XJ75  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 22:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin