+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2013 BA74) Classification: Apollo [NEO]          SPK-ID: 3625704 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .444125187858351 5.4912e-08   a 1.754966524162968 6.35e-08 au q .9755416869339723 1.155e-07 au i 5.22529356109365 1.2318e-05 deg node 310.6025435340277 6.637e-06 deg peri 203.2974572214685 4.4979e-05 deg M 42.80723795671496 1.4423e-05 deg tp 2458899.524412642206 (2020-Feb-20.02441264) 3.6164e-05 TDB period 849.1837638663571 2.32 4.6089e-05 1.262e-07 d yr n .4239365085843258 2.3009e-08 deg/d Q 2.534391361391963 9.1703e-08 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A2 [EST] 1.547572568293444E-12 3.107E-13 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)      99      data-arc span      2559 days (7.01 yr)      first obs. used      2013-01-31      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45638      source      ORB      producer      Otto Matic      solution date      2020-Feb-27 10:04:13   Additional Information  Earth MOID = .00924079 au   Jupiter MOID = 2.47479 au   T_jup = 4.001   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 25.5   n/a MPO253287   [ 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 1904-Jan-22 14:52 06:50 Earth 0.0592755620583236 0.057380761165299 0.0611709871663068 8.89663830579039 8.89158431884745 2416502.119301109 410.08603961699 94987.4406063751 8.33583272254635 -5.92172152455163 98882.2056109817 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 1910-Dec-29 12:42 02:36 Earth 0.357182487138437 0.355309011055624 0.359055989742928 17.9105427068399 17.9101262034852 2419035.028990434 155.618588898548 93549.3275030493 20.5345505461838 -3.00443736883818 117342.925328863 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 1941-Apr-12 15:52 00:17 Earth 0.225616961827705 0.225479401502861 0.225754533547817 13.2251362386052 13.2242432310808 2430097.161427558 17.4845420539331 7311.03347952732 25.1208735296493 20.2453192707648 382849.061109843 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 1948-Feb-18 00:28 02:14 Earth 0.0331064594590597 0.0329513236355467 0.0332617396478616 6.82441926388489 6.8126157950577 2432599.519180596 134.349470980747 8473.87863803028 17.1765227564033 24.0175774635143 116714.646241381 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 1955-Jan-12 19:05 00:41 Earth 0.146177025082719 0.145847797820036 0.146506263406693 11.6077031685781 11.6061327467505 2435120.295163089 41.1011936487425 16539.520638194 12.7979188630816 -7.01228301600238 180421.513277851 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 1961-Dec-27 05:35 00:22 Earth 0.392564401126073 0.392290237011034 0.392838565630259 19.0495906717513 19.049234368442 2437660.732815966 21.7007867124725 13685.3520605922 21.5117859923191 -2.61016697837806 107911.528341345 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 1999-Apr-18 07:25 00:03 Earth 0.28466437057624 0.284637643207599 0.284691098185093 15.0847659708454 15.0841454596816 2451286.809138590 2.85747632638892 1395.1506056402 26.0928300667431 17.2075093322009 399704.624347635 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2006-Mar-25 19:17 00:03 Earth 0.0941402692149414 0.0941340774149472 0.0941464614925136 8.37903465482061 8.37565610365781 2453820.303377640 2.66540056021926 455.77196432393 21.503871307934 47.4439953161548 403770.112961169 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2013-Feb-06 08:00 < 00:01 Earth 0.0114914957223237 0.0114913342288716 0.0114916572159502 7.17878248815473 7.14641080343252 2456329.833404759 0.0580409572225049 8.47144953153475 4.2119985238943 20.9474236088734 229789.263746804 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2020-Feb-03 20:48 < 00:01 Moon 0.00927832191412496 0.00927822502174282 0.00927841880651766 7.69301110562518 7.69255194362804 2458883.366840751 0.029870771450564 4.87285306824256 3.00142749771942 -9.47477155982515 294680.208842199 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2020-Feb-04 03:46 < 00:01 Earth 0.00948305588634935 0.00948294522614258 0.00948316654658631 7.38520714147014 7.34706330607285 2458883.656733883 0.0294772049745273 5.61430347043873 3.22300518024874 12.7455728864889 269225.401950931 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2027-Jan-13 07:05 00:01 Earth 0.149707301294178 0.149696944495802 0.149717658100774 11.7523697145597 11.7508552053657 2461418.795356427 1.28115794431909 519.41008428818 11.3705167199769 -6.17496225047358 185043.664117322 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2033-Dec-30 12:24 00:02 Earth 0.349868841479576 0.349841069836277 0.349896613127886 17.8381330970117 17.8377061609034 2463962.016770058 2.3115256802136 1386.43707806264 17.9574126842171 -2.76753369224463 125338.1876851 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2071-Apr-29 05:22 00:22 Earth 0.429364673661024 0.429107274093406 0.429622078895649 19.5959364678282 19.5956197857155 2477595.723434557 21.6745202858902 13069.1866929453 29.7795759904741 10.854915045518 348877.377681978 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2078-Apr-16 05:13 00:35 Earth 0.239320689117031 0.239016165481075 0.239625263571815 13.7263403729787 13.7255292435093 2480139.717628482 35.4888901826324 16151.7116304227 27.5463437879852 19.9172125777593 365593.276241765 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2085-Mar-28 06:00 01:30 Earth 0.0961363882346081 0.0959075218720777 0.0963658502681691 8.54094459502784 8.53769894883197 2482677.749870061 90.0334940726563 16523.9257204083 23.9389866615151 46.265814870852 367147.473896543 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2092-Feb-23 01:46 02:37 Earth 0.0403031115716553 0.0401497867590872 0.0404566719006788 6.74388896902969 6.73407873508301 2485200.573942155 157.20602248461 9065.53959965464 17.7335814453076 32.4289356737441 177786.760774046 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2099-Feb-07 19:53 00:29 Earth 0.0138199467048372 0.0137864020789039 0.0138535762799462 7.14793573792328 7.12091189650621 2487742.328490927 28.4926605155498 2394.90743088028 7.96546850378869 -45.5965497982439 193393.086965853 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2106-Mar-05 18:31 00:59 Earth 0.0522971909469465 0.052248581831616 0.0523458903451806 6.7743512213162 6.76682620299249 2490324.271194518 59.3478341401142 4200.09883770693 18.8520494093814 54.7276936456898 294982.032842777 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2113-Apr-02 19:41 00:37 Earth 0.113379203185856 0.113236731021686 0.113521789869157 9.3024178647789 9.2998912321777 2492909.319835295 36.5520484663579 9100.07832080737 49.7752221359708 38.6645786063812 208347.160825066 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2120-Apr-19 05:59 00:20 Earth 0.264099363036184 0.263892913733278 0.264305827614371 14.5369792685115 14.5362852337882 2495482.749255224 20.0786645321823 10771.390797641 57.9325885516717 17.1110546341217 177922.834588695 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2127-May-01 13:32 00:17 Earth 0.440693504337815 0.440469221883331 0.440917790159541 19.9625558292313 19.9622529546279 2498051.063621509 16.9052033985214 11347.9143343354 53.0522137250869 9.75251428941019 187902.381228966 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2166-Dec-26 21:26 00:30 Earth 0.466811708175418 0.466419298148236 0.467204118226455 21.3585388225719 21.3582715823676 2512535.393090028 30.4068484492298 19568.6095241202 19.6905362137648 -0.587859647526516 31734.9390070895 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2174-Jan-04 14:27 00:39 Earth 0.306325139369613 0.305876838745382 0.306773441304367 16.5848565576759 16.5843320825881 2515101.102289323 39.0234363306879 22377.2888336472 15.7485554285089 -2.60431274777921 113574.713255505 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2181-Jan-14 01:11 00:55 Earth 0.159782286344166 0.159312520682766 0.16025205984547 12.2048368584269 12.2034704640744 2517667.549227046 55.3061372101779 23491.9086610079 12.1783756363316 -4.37773764668419 129610.581529034 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2188-Jan-26 06:24 01:20 Earth 0.0507504977075371 0.0503943073732992 0.0511066881371273 8.89534426890371 8.88944017248891 2520235.766957951 80.3642435407848 17762.1108795737 6.05933604200226 1.29940883055152 23755.6801757089 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 2195-Jan-26 14:18 01:15 Earth 0.0489540599571193 0.0486225297286153 0.0492855934055514 8.80262810440871 8.7964427598547 2522793.095784833 74.7198885426285 16544.0087080831 6.15497296858504 2.49907052963534 45027.678010366 T 21 CATAB v2.0f-lin.ifort 2020-Feb-27 10:04:33 2020-Feb-27 10:04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Oct-28 14:27 UT 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