+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15075 (1999 BF15) Classification: Main-belt Asteroid          SPK-ID: 2015075 [ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2023977517772492 3.9288e-08   a 2.396886591504527 7.2594e-09 au q 1.911762134118977 9.4193e-08 au i 1.866725576905977 4.2806e-06 deg node 206.8374084880826 0.00010146 deg peri 183.0392523390169 0.0001018 deg M 347.0006622885324 8.6427e-06 deg tp 2459049.442751530468 (2020-Jul-18.94275153) 3.2628e-05 TDB period 1355.406786256911 3.71 6.1576e-06 1.686e-08 d yr n .2656029198394198 1.2066e-09 deg/d Q 2.882011048890078 8.7287e-09 au   Orbit Determination Parameters    # obs. used (total)      1765      data-arc span      10990 days (30.09 yr)      first obs. used      1990-09-29      last obs. used      2020-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52957      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:58:46   Additional Information  Earth MOID = .917044 au   Jupiter MOID = 2.5606 au   T_jup = 3.499  [ hide covariance matrix ] Orbital Elements at Epoch 2456463.5 (2013-Jun-20.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2040188115814632 3.9535e-08   q 1.908270007757977 9.4986e-08 au tp 2456338.340138971109 (2013-Feb-14.84013897) 2.9193e-05 TDB node 206.9503526701949 0.00010133 deg peri 182.958197011719 0.00010166 deg i 1.867129157237879 4.2861e-06 deg   Orbit Determination Parameters    # obs. used (total)      1765      data-arc span      10990 days (30.09 yr)      first obs. used      1990-09-29      last obs. used      2020-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52957      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:58:46   Additional Information  Jupiter MOID = 2.5606 au   T_jup = 3.499  Orbit Covariance (6×6)   e q tp node peri i e 1.562999083650228E-15 -3.748305601240692E-15 -1.693380989366084E-13 -4.285699670687103E-15 -7.430146661376426E-14 -2.284913124242976E-17 q -3.748305601240692E-15 9.022273724683341E-15 4.094887572870861E-13 9.730447151040689E-15 1.791241990106536E-13 8.548459564957343E-17 tp -1.693380989366084E-13 4.094887572870861E-13 8.522436747207139E-10 -4.068429014899764E-12 2.472414619452078E-10 -2.205078314842861E-13 node -4.285699670687103E-15 9.730447151040689E-15 -4.068429014899764E-12 1.026742388675871E-8 -1.026241916460332E-8 -4.777768754845199E-11 peri -7.430146661376426E-14 1.791241990106536E-13 2.472414619452078E-10 -1.026241916460332E-8 1.033465488864188E-8 4.769437721197043E-11 i -2.284913124242976E-17 8.548459564957343E-17 -2.205078314842861E-13 -4.777768754845199E-11 4.769437721197043E-11 1.837070315272811E-11 [ 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 MPO492919   diameter diameter 4.081 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 16.00 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.] geometric albedo albedo 0.292   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15075 (1999 BF15)          Discovered 1999-Jan-24 by Korlevic, K. at Visnjan 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 1923-Jul-01 05:22 < 00:01 Hebe 0.0475973088206227 0.0475956395645107 0.0475989807591372 5.21276527920239 5.21276525414666 2423601.723721280 0.434957912139361 596.097429691587 24.9011379935653 -82.3321306648154 283288.195979868 T 34 CATAB v2.0f-lin.ifort 2020-Dec-18 02:58:51 2020-Dec-18 02:58 1967-Nov-13 06:14 < 00:01 Thisb 0.0069571049718792 0.0069546267358724 0.00695958584227678 3.94770844583541 3.94770819757861 2439807.759852326 0.885409301835214 254.396938531303 34.8206162227115 61.9338828590374 26426.4980529757 T 34 CATAB v2.0f-lin.ifort 2020-Dec-18 02:58:51 2020-Dec-18 02:58 2101-Jun-18 16:17 00:03 Thisb 0.0247123822638557 0.0246994416570952 0.0247253229531178 3.73160870755603 3.73160863361865 2488603.178214549 2.61519058132291 648.744577366846 35.0130758265421 -6.28544175531589 12861.9067372106 T 34 CATAB v2.0f-lin.ifort 2020-Dec-18 02:58:51 2020-Dec-18 02:58 Alternate Designations  1999 BF15 = 1990 SE29 = 1990 US12 = 1994 PT1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-18 04:05 UT (server date/time)   Site Manager:   Ryan S. 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