+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2002 BF25) Classification: Apollo [NEO]          SPK-ID: 3102784 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 49 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2218122750029566 2.2319e-08   a 1.073258603146067 1.1747e-09 au q .8351966707157423 2.3761e-08 au i 6.275599227053909 7.6858e-06 deg node 305.9073578109423 1.068e-05 deg peri 78.04799169819718 1.0702e-05 deg M 253.2522779704254 3.4974e-06 deg tp 2459120.923462393694 (2020-Sep-28.42346239) 4.1163e-06 TDB period 406.1205769779235 1.11 6.6678e-07 1.826e-09 d yr n .8864362467887693 1.4554e-09 deg/d Q 1.311320535576391 1.4353e-09 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A2 [EST] 1.658534825553346E-13 3.495E-15 ALN [SET] 1. n/a NK [SET] 0. n/a NM [SET] 2. n/a R0 [SET] 1. n/a   Orbit Determination Parameters    # obs. used (total)      136      # delay obs. used      4      # Doppler obs. used      0      data-arc span      6757 days (18.50 yr)      first obs. used      2002-01-25      last obs. used      2020-07-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .368      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:09:24   Additional Information  Earth MOID = .0185887 au   Jupiter MOID = 4.1043 au   T_jup = 5.729   Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 22.2   n/a MPO264922   diameter diameter 0.152 km 0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)   geometric albedo albedo 0.100   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-17 23:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin