******************************************************************************* JPL/HORIZONS (1991 VG) 2024-May-07 11:50:24 Rec #:50000036 (+COV) Soln.date: 2023-Nov-22_12:22:19 # obs: 70 (1991-2017) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2457187.5 ! 2015-Jun-14.00 (TDB) Residual RMS= .18704 EC= .04913175837370113 QR= .9764839265479373 TP= 2457361.8368940824 OM= 73.97832673604381 W= 24.51557657847519 IN= 1.44540911754945 A= 1.026939258038345 MA= 194.8889102913879 ADIST= 1.077394589528753 PER= 1.0407 N= .947080597 ANGMOM= .017411212 DAN= .98062 DDN= 1.0724 L= 98.4870202 B= .5997063 MOID= .00552401 TP= 2015-Dec-05.3368940824 Asteroid physical parameters (km, seconds, rotational period in hours): GM= n.a. RAD= n.a. ROTPER= n.a. H= 28.3 G= .150 B-V= n.a. ALBEDO= n.a. STYP= n.a. ASTEROID comments: 1: soln ref.= JPL#14, OCC=0 2: source=ORB ******************************************************************************* ******************************************************************************* Ephemeris / WWW_USER Tue May 7 11:50:24 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: (1991 VG) {source: JPL#14} Center body name: Earth (399) {source: DE441} Center-site name: BODY CENTER ******************************************************************************* Start time : A.D. 1992-Feb-22 00:00:00.0000 TDB Stop time : A.D. 1992-Mar-22 00:00:00.0000 TDB Step-size : 1440 minutes ******************************************************************************* Center geodetic : 0.0, 0.0, 0.0 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 0.0, 0.0, 0.0 {E-lon(deg),Dxy(km),Dz(km)} Center radii : 6378.137, 6378.137, 6356.752 km {Equator_a, b, pole_c} Keplerian GM : 8.8876924467071033E-10 au^3/d^2 Small perturbers: Yes {source: SB441-N16} Output units : AU-D, deg, Julian Day Number (Tp) Calendar mode : Mixed Julian/Gregorian Output type : GEOMETRIC osculating elements Output format : 10 EOP file : eop.240506.p240730 EOP coverage : DATA-BASED 1962-JAN-20 TO 2024-MAY-06. PREDICTS-> 2024-JUL-29 Reference frame : Ecliptic of J2000.0 ******************************************************************************* Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.): EPOCH= 2457187.5 ! 2015-Jun-14.00 (TDB) Residual RMS= .18704 EC= .04913175837370113 QR= .9764839265479373 TP= 2457361.8368940824 OM= 73.97832673604381 W= 24.51557657847519 IN= 1.44540911754945 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X= 4.031242100453329E-01 Y=-9.083826374776757E-01 Z=-4.120584196800760E-01 VX= 1.492628055109123E-02 VY= 5.860230336022587E-03 VZ= 2.193599671642974E-03 Asteroid physical parameters (km, seconds, rotational period in hours): GM= n.a. RAD= n.a. ROTPER= n.a. H= 28.3 G= .150 B-V= n.a. ALBEDO= n.a. STYP= n.a. ******************************************************************************* JDTDB EC QR IN OM W Tp N MA TA A AD PR ******************************************************************************* $$SOE 2448674.500000000 = A.D. 1992-Feb-22 00:00:00.0000 TDB EC= 1.050667530519643E+00 QR= 1.808008015817164E-02 IN= 3.551234367626148E+01 OM= 1.557229335117863E+02 W = 3.449374691649006E+02 Tp= 2448488.765499320813 N = 8.013296650317234E-03 MA= 1.488345652141582E+00 TA= 9.649383017138140E+01 A =-3.568376033476154E-01 AD= 9.999999999999998E+99 PR= 9.999999999999998E+99 2448675.500000000 = A.D. 1992-Feb-23 00:00:00.0000 TDB EC= 9.445464478632899E-01 QR= 1.790637892665830E-02 IN= 3.558127588135596E+01 OM= 1.564899720202211E+02 W = 3.402821035605610E+02 Tp= 2448475.785140944179 N = 9.308925212649323E-03 MA= 1.859130686804048E+00 TA= 1.007074219591619E+02 A = 3.229076990868581E-01 AD= 6.279090192470578E-01 PR= 3.867256334929173E+04 2448676.500000000 = A.D. 1992-Feb-24 00:00:00.0000 TDB EC= 8.469415139099129E-01 QR= 1.744567352945689E-02 IN= 3.566162392750854E+01 OM= 1.573356339860168E+02 W = 3.340453160500349E+02 Tp= 2448460.839669678826 N = 4.438862065045769E-02 MA= 9.572864591978263E+00 TA= 1.064316010698889E+02 A = 1.139804396026023E-01 AD= 2.105152056757478E-01 PR= 8.110186681286030E+03 2448677.500000000 = A.D. 1992-Feb-25 00:00:00.0000 TDB EC= 7.643324463436920E-01 QR= 1.662549722763776E-02 IN= 3.575228250388871E+01 OM= 1.582345797251480E+02 W = 3.259999475680090E+02 Tp= 2448444.325946190394 N = 9.116011564635905E-02 MA= 2.125617371100827E+01 TA= 1.139134466337351E+02 A = 7.054639881349124E-02 AD= 1.244673003993447E-01 PR= 3.949095472811397E+03 2448678.500000000 = A.D. 1992-Feb-26 00:00:00.0000 TDB EC= 7.036373411176760E-01 QR= 1.539114436044758E-02 IN= 3.585214445761149E+01 OM= 1.591660840455361E+02 W = 3.161707588199518E+02 Tp= 2448427.370747267734 N = 1.443264726416792E-01 MA= 3.624459922396904E+01 TA= 1.231443396237726E+02 A = 5.193348048128729E-02 AD= 8.847581660212701E-02 PR= 2.494344893287704E+03 2448679.500000000 = A.D. 1992-Feb-27 00:00:00.0000 TDB EC= 6.704911261394435E-01 QR= 1.374413211681357E-02 IN= 3.595998787495220E+01 OM= 1.601126497202907E+02 W = 3.050780515220065E+02 Tp= 2448411.827500820160 N = 2.005126754193522E-01 MA= 5.367172894674587E+01 TA= 1.336174757520936E+02 A = 4.171096200167857E-02 AD= 6.967779188654358E-02 PR= 1.795397718608542E+03 2448680.500000000 = A.D. 1992-Feb-28 00:00:00.0000 TDB EC= 6.667523430893236E-01 QR= 1.177617009909362E-02 IN= 3.607426349980168E+01 OM= 1.610578807290103E+02 W = 2.937645648263300E+02 Tp= 2448399.516272707377 N = 2.571352948999628E-01 MA= 7.225083357950184E+01 TA= 1.443026928288525E+02 A = 3.533759309296539E-02 AD= 5.889901608683717E-02 PR= 1.400041173422171E+03 2448681.500000000 = A.D. 1992-Feb-29 00:00:00.0000 TDB EC= 6.891044785569413E-01 QR= 9.655553552347932E-03 IN= 3.619273897686121E+01 OM= 1.619837367430434E+02 W = 2.833830823135797E+02 Tp= 2448391.075071424246 N = 3.120851289692825E-01 MA= 9.063730129045690E+01 TA= 1.540610740407274E+02 A = 3.105722947545379E-02 AD= 5.245890539855964E-02 PR= 1.153531413652951E+03 2448682.500000000 = A.D. 1992-Mar-01 00:00:00.0000 TDB EC= 7.303428681210973E-01 QR= 7.563816753647704E-03 IN= 3.631190353063764E+01 OM= 1.628667520495628E+02 W = 2.746759938350083E+02 Tp= 2448385.656536803581 N = 3.635996944181273E-01 MA= 1.079321925082605E+02 TA= 1.621684140017376E+02 A = 2.804975600290987E-02 AD= 4.853569525217204E-02 PR= 9.900998420147520E+02 2448683.500000000 = A.D. 1992-Mar-02 00:00:00.0000 TDB EC= 7.821313982997493E-01 QR= 5.639048372032070E-03 IN= 3.642590855429607E+01 OM= 1.636718814358591E+02 W = 2.678463784946280E+02 Tp= 2448381.680408894084 N = 4.102044622503959E-01 MA= 1.238077430662670E+02 TA= 1.684490518384231E+02 A = 2.588279507934982E-02 AD= 4.612654178666756E-02 PR= 8.776111259858741E+02 2448684.500000000 = A.D. 1992-Mar-03 00:00:00.0000 TDB EC= 8.370177861796684E-01 QR= 3.961887963159757E-03 IN= 3.652448332427690E+01 OM= 1.643403529524739E+02 W = 2.627727696478744E+02 Tp= 2448377.635665300768 N = 4.506861116057950E-01 MA= 1.382994937960219E+02 TA= 1.730708147716011E+02 A = 2.430871363379116E-02 AD= 4.465553930442256E-02 PR= 7.987821029525842E+02 2448685.500000000 = A.D. 1992-Mar-04 00:00:00.0000 TDB EC= 8.891249611354460E-01 QR= 2.569798093510211E-03 IN= 3.658826881742436E+01 OM= 1.647607043720010E+02 W = 2.592625735729176E+02 Tp= 2448372.378736402839 N = 4.840824244054253E-01 MA= 1.515765004149582E+02 TA= 1.763148062080686E+02 A = 2.317742676644741E-02 AD= 4.378505543938460E-02 PR= 7.436750062598749E+02 2448686.500000000 = A.D. 1992-Mar-05 00:00:00.0000 TDB EC= 9.340901950848389E-01 QR= 1.476034477694839E-03 IN= 3.657658081464406E+01 OM= 1.646838703434204E+02 W = 2.572455474472548E+02 Tp= 2448365.085028920788 N = 5.096798068999754E-01 MA= 1.638187203945184E+02 TA= 1.784502223509226E+02 A = 2.239476326162376E-02 AD= 4.331349204555268E-02 PR= 7.063258051944953E+02 2448687.500000000 = A.D. 1992-Mar-06 00:00:00.0000 TDB EC= 9.687940029727851E-01 QR= 6.834435065752018E-04 IN= 3.638849453572080E+01 OM= 1.633919197567428E+02 W = 2.570844643829717E+02 Tp= 2448355.100826278329 N = 5.270117559098112E-01 MA= 1.751782722059199E+02 TA= 1.796915736308572E+02 A = 2.190103094540341E-02 AD= 4.311861838423163E-02 PR= 6.830967164641536E+02 2448688.500000000 = A.D. 1992-Mar-07 00:00:00.0000 TDB EC= 9.911075275149843E-01 QR= 1.926061164209996E-04 IN= 3.572763369621143E+01 OM= 1.575319961400758E+02 W = 2.613466670917409E+02 Tp= 2449013.627581144683 N = 5.358531950963648E-01 MA= 1.857793468295548E+02 TA= 1.801940586358787E+02 A = 2.165945598882093E-02 AD= 4.312630586122086E-02 PR= 6.718257972414622E+02 2448689.500000000 = A.D. 1992-Mar-08 00:00:00.0000 TDB EC= 9.997075287566323E-01 QR= 6.331977475934217E-06 IN= 5.386124270680142E+01 OM= 8.827192809412760E+01 W = 3.142461166676502E+02 Tp= 2448995.853933048435 N = 5.362074656280179E-01 MA= 1.957307339750067E+02 TA= 1.800954355185820E+02 A = 2.164991471647959E-02 AD= 4.329349745548324E-02 PR= 6.713819241184195E+02 2448690.500000000 = A.D. 1992-Mar-09 00:00:00.0000 TDB EC= 9.939504292623023E-01 QR= 1.322789062070230E-04 IN= 1.365336277628968E+02 OM= 8.882837998792571E+00 W = 3.022128912952923E+02 Tp= 2448983.635864172131 N = 5.282847663072784E-01 MA= 2.051407884996037E+02 TA= 1.807001594638201E+02 A = 2.186583345207105E-02 AD= 4.359938799793508E-02 PR= 6.814506549496165E+02 2448691.500000000 = A.D. 1992-Mar-10 00:00:00.0000 TDB EC= 9.737907185392635E-01 QR= 5.848163894503386E-04 IN= 1.391194261686410E+02 OM= 2.351481385471059E+00 W = 2.960687711539640E+02 Tp= 2448976.134870515205 N = 5.124724351612590E-01 MA= 2.141324747753007E+02 TA= 1.820233177520710E+02 A = 2.231333164651756E-02 AD= 4.404184690358478E-02 PR= 7.024768071412842E+02 2448692.500000000 = A.D. 1992-Mar-11 00:00:00.0000 TDB EC= 9.397380337568899E-01 QR= 1.386773773011098E-03 IN= 1.396826991051551E+02 OM= 6.870843763998330E-01 W = 2.928759714140864E+02 Tp= 2448972.779987961054 N = 4.892982456690335E-01 MA= 2.228594935946180E+02 TA= 1.839919123591717E+02 A = 2.301242158970630E-02 AD= 4.463806940640150E-02 PR= 7.357475796949981E+02 2448693.500000000 = A.D. 1992-Mar-12 00:00:00.0000 TDB EC= 8.928612470945010E-01 QR= 2.571410871570913E-03 IN= 1.398446387100342E+02 OM= 1.885869646904762E-01 W = 2.898231918807264E+02 Tp= 2448973.162817844655 N = 4.593881708523815E-01 MA= 2.315262096550236E+02 TA= 1.867203546538472E+02 A = 2.400075417938650E-02 AD= 4.543009748720208E-02 PR= 7.836510011392552E+02 2448694.500000000 = A.D. 1992-Mar-13 00:00:00.0000 TDB EC= 8.348712805096071E-01 QR= 4.184584922941749E-03 IN= 1.398770749522611E+02 OM= 8.778544259783799E-02 W = 2.861227515370045E+02 Tp= 2448976.924359535333 N = 4.234210862934246E-01 MA= 2.404155708898329E+02 TA= 1.904166231429897E+02 A = 2.534135149752198E-02 AD= 4.649811807210221E-02 PR= 8.502174588218909E+02 2448695.500000000 = A.D. 1992-Mar-14 00:00:00.0000 TDB EC= 7.683626652234921E-01 QR= 6.286065396311061E-03 IN= 1.398669366625538E+02 OM= 1.191870463989686E-01 W = 2.812279424006845E+02 Tp= 2448983.574928699527 N = 3.820864512659765E-01 MA= 2.499304727944604E+02 TA= 1.954250604365548E+02 A = 2.713753118587766E-02 AD= 4.798899697544426E-02 PR= 9.421951466931190E+02 2448696.500000000 = A.D. 1992-Mar-15 00:00:00.0000 TDB EC= 6.973909534073421E-01 QR= 8.945751010142770E-03 IN= 1.398522944847980E+02 OM= 1.643122785188433E-01 W = 2.745028997822076E+02 Tp= 2448992.131629862823 N = 3.360584290610754E-01 MA= 2.606504988874622E+02 TA= 2.022910246600638E+02 A = 2.956207393952982E-02 AD= 5.017839686891686E-02 PR= 1.071242286663708E+03 2448697.500000000 = A.D. 1992-Mar-16 00:00:00.0000 TDB EC= 6.287052386088148E-01 QR= 1.222200804330186E-02 IN= 1.398520858329569E+02 OM= 1.649788983774904E-01 W = 2.651023942675023E+02 Tp= 2449000.377478404902 N = 2.860102029515333E-01 MA= 2.733739509319231E+02 TA= 2.118154198686634E+02 A = 3.291726497165717E-02 AD= 5.361252190001246E-02 PR= 1.258696355182143E+03 2448698.500000000 = A.D. 1992-Mar-17 00:00:00.0000 TDB EC= 5.738870785185916E-01 QR= 1.609424542300384E-02 IN= 1.398744696985480E+02 OM= 9.674919003373950E-02 W = 2.520781389854022E+02 Tp= 2449003.713527640793 N = 2.327010097207500E-01 MA= 2.889765039375625E+02 TA= 2.249281146905121E+02 A = 3.776990701678600E-02 AD= 5.944556861056817E-02 PR= 1.547049582775827E+03 2448699.500000000 = A.D. 1992-Mar-18 00:00:00.0000 TDB EC= 5.511605883168262E-01 QR= 2.033170204453440E-02 IN= 1.399197244391742E+02 OM= 3.599590904458403E+02 W = 2.351420253300270E+02 Tp= 2448995.110705288593 N = 1.771711536148399E-01 MA= 3.076263103230871E+02 TA= 2.419171803105037E+02 A = 4.529838849999678E-02 AD= 7.026507495545917E-02 PR= 2.031933487223432E+03 2448700.500000000 = A.D. 1992-Mar-19 00:00:00.0000 TDB EC= 5.815982154051867E-01 QR= 2.442737168371822E-02 IN= 1.399821740544721E+02 OM= 3.597692339155781E+02 W = 2.160942156214104E+02 Tp= 2448970.248896922916 N = 1.210855510865435E-01 MA= 3.273373061610794E+02 TA= 2.609961435095862E+02 A = 5.838257049351275E-02 AD= 9.233776930330727E-02 PR= 2.973104526259265E+03 2448701.500000000 = A.D. 1992-Mar-20 00:00:00.0000 TDB EC= 6.772016187289878E-01 QR= 2.786999235449872E-02 IN= 1.400524829873303E+02 OM= 3.595554548972064E+02 W = 1.984505899763838E+02 Tp= 2448934.551355490927 N = 6.733004259378800E-02 MA= 3.443086423082498E+02 TA= 2.786714602672256E+02 A = 8.633869923622654E-02 AD= 1.448074061179544E-01 PR= 5.346795964053264E+03 2448702.500000000 = A.D. 1992-Mar-21 00:00:00.0000 TDB EC= 8.355570388942298E-01 QR= 3.050443743597486E-02 IN= 1.401202199292805E+02 OM= 3.593495708585145E+02 W = 1.844290379718743E+02 Tp= 2448898.150009654462 N = 2.137940152311898E-02 MA= 3.558171198855985E+02 TA= 2.927505081968103E+02 A = 1.855016306617975E-01 AD= 3.404988238876200E-01 PR= 1.683863786414731E+04 2448703.500000000 = A.D. 1992-Mar-22 00:00:00.0000 TDB EC= 1.048181615040795E+00 QR= 3.246764900033144E-02 IN= 1.401760117328833E+02 OM= 3.591803440248389E+02 W = 1.740102444636748E+02 Tp= 2448866.727626232896 N = 3.087897727917180E-03 MA=-5.040302161772613E-01 TA= 3.032757067295573E+02 A =-6.738597071277397E-01 AD= 9.999999999999998E+99 PR= 9.999999999999998E+99 $$EOE ******************************************************************************* TIME Barycentric Dynamical Time ("TDB" or T_eph) output was requested. This continuous coordinate time is equivalent to the relativistic proper time of a clock at rest in a reference frame co-moving with the solar system barycenter but outside the system's gravity well. It is the independent variable in the solar system relativistic equations of motion. TDB runs at a uniform rate of one SI second per second and is independent of irregularities in Earth's rotation. CALENDAR SYSTEM Mixed calendar mode was active such that calendar dates after AD 1582-Oct-15 (if any) are in the modern Gregorian system. Dates prior to 1582-Oct-5 (if any) are in the Julian calendar system, which is automatically extended for dates prior to its adoption on 45-Jan-1 BC. The Julian calendar is useful for matching historical dates. The Gregorian calendar more accurately corresponds to the Earth's orbital motion and seasons. A "Gregorian-only" calendar mode is available if such physical events are the primary interest. REFERENCE FRAME AND COORDINATES Ecliptic at the standard reference epoch Reference epoch: J2000.0 X-Y plane: adopted Earth orbital plane at the reference epoch Note: IAU76 obliquity of 84381.448 arcseconds wrt ICRF X-Y plane X-axis : ICRF Z-axis : perpendicular to the X-Y plane in the directional (+ or -) sense of Earth's north pole at the reference epoch. Symbol meaning [1 au= 149597870.700 km, 1 day= 86400.0 s]: JDTDB Julian Day Number, Barycentric Dynamical Time EC Eccentricity, e QR Periapsis distance, q (au) IN Inclination w.r.t X-Y plane, i (degrees) OM Longitude of Ascending Node, OMEGA, (degrees) W Argument of Perifocus, w (degrees) Tp Time of periapsis (Julian Day Number) N Mean motion, n (degrees/day) MA Mean anomaly, M (degrees) TA True anomaly, nu (degrees) A Semi-major axis, a (au) AD Apoapsis distance (au) PR Sidereal orbit period (day) ABERRATIONS AND CORRECTIONS Geometric osculating elements have NO corrections or aberrations applied. Computations by ... Solar System Dynamics Group, Horizons On-Line Ephemeris System 4800 Oak Grove Drive, Jet Propulsion Laboratory Pasadena, CA 91109 USA General site: https://ssd.jpl.nasa.gov/ Mailing list: https://ssd.jpl.nasa.gov/email_list.html System news : https://ssd.jpl.nasa.gov/horizons/news.html User Guide : https://ssd.jpl.nasa.gov/horizons/manual.html Connect : browser https://ssd.jpl.nasa.gov/horizons/app.html#/x API https://ssd-api.jpl.nasa.gov/doc/horizons.html command-line telnet ssd.jpl.nasa.gov 6775 e-mail/batch https://ssd.jpl.nasa.gov/ftp/ssd/hrzn_batch.txt scripts https://ssd.jpl.nasa.gov/ftp/ssd/SCRIPTS Author : Jon.D.Giorgini@jpl.nasa.gov ******************************************************************************* !$$SOF COMMAND = '1991 VG' TABLE_TYPE = 'ELEMENTS' START_TIME = '1992-Feb-22' STOP_TIME = '1992-Mar-22' STEP_SIZE = '1 day' CENTER = '@399' OUT_UNITS = 'AU-D'