Ephemeris Generator Ephemeris Settings Target Body: Asteroid 4201 Orosz (1984 JA1) Observer Location: Alexandria, VA Coordinates: 77°03'00.0''W, 38°48'11.9''N From: A.D. 2002-06-01 06:00 UT To: A.D. 2002-07-01 06:00 Step: 1 day Format: Calendar Date and Time Output Quantities: 2,4,9,20,24,29 Ref. Frame, RA/Dec Format: J2000, HMS Apparent Coordinates Model: Airless ------------------------------------------------------------------------ HORIZONS Body Information ******************************************************************************* JPL/HORIZONS 4201 Orosz (1984 JA1) 2002-Apr-08 14:47:05 Rec #: 4201 Soln.date: - # obs: 85 (1950-1998) FK5/J2000.0 helio. ecliptic osc. elements (AU, DAYS, DEG, period=Julian yrs): EPOCH= 2452200.5 ! 2001-Oct-18.00 (CT) RMSW= n.a. EC= .229870945 QR= 2.431441727 TP= 2452052.6240921 OM= 238.2453721 W= 14.7853626 IN= 8.8748117 A= 3.157187371 MA= 25.9807068 ADIST= 3.882933015 PER= 5.60995 N= .175692628 ANGMOM= .029746998 DAN= 2.44658 DDN= 3.84493 L= 252.861344 B= 2.2563785 TP= 2001-May-23.1240921 Physical parameters (KM, SEC, rotational period in hours): GM= n.a. RAD= 14.89 ROTPER= n.a. H= 11.1 G= .150 B-V= n.a. (H RMS)= n.a. ALBEDO= .079 STYP= n.a. ASTEROID comments: 1: soln ref.= MPC33738, 1984 JA1 OCC=1 h M-v 38 2: ******************************************************************************* ------------------------------------------------------------------------ HORIZONS Generated Ephemeris ******************************************************************************* Ephemeris / WWW_USER Mon Apr 8 14:47:05 2002 Pasadena, USA / Horizons ******************************************************************************* Target body name: 4201 Orosz (1984 JA1) {source: MPC33738} Center body name: Earth (399) {source: DE-0406LE-0406} Center-site name: (User Defined Site) ******************************************************************************* Start time : A.D. 2002-Jun-01 06:00:00.0000 UT Stop time : A.D. 2002-Jul-01 06:00:00.0000 UT Step-size : 1440 minutes ******************************************************************************* Center geodetic : 282.950000, 38.803300, 0.00000 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 282.95000, 4977.044, 3975.320 {E-lon(deg),Dxy(km),Dz(km)} Center pole/equ : Standard Earth Model {East-longitude +} Center radii : 6378.1 x 6378.1 x 6356.8 km {Equator, meridian, pole} Target pole/equ : No model available Target radii : 14.9 km Target primary : Sun {source: DE-0406LE-0406} Interfering body: MOON (Req= 1737.400) km {source: DE-0406LE-0406} Deflecting body : Sun, EARTH {source: DE-0406LE-0406} Deflecting GMs : 1.3271E+11, 3.9860E+05 km^3/s^2 Small perturbers: Ceres, Pallas, Vesta {source: SB405-CPV-2} Small body GMs : 6.32E+01, 1.43E+01, 1.78E+01 km^3/s^2 Atmos refraction: NO (AIRLESS) RA format : HMS Time format : CAL Units conversion: 1 AU= 149597870.691 km, c= 299792.458 km/s, 1 day= 86400.0 s Table cut-offs 1: Elevation ( 0deg=YES), Airmass (>38.0000=NO), Daylight (YES) Table cut-offs 2: Solar Elongation ( 0.0,180.0=NO ) ******************************************************************************* Initial heliocentric osc. elements wrt ecliptic and mean equinox of J2000.0: EPOCH= 2452200.5 ! 2001-Oct-18.00 (CT) RMSW= n.a. EC= .229870945 QR= 2.431441727 TP= 2452052.6240921 OM= 238.2453721 W= 14.7853626 IN= 8.8748117 Asteroid physical parameters: GM= n.a. RAD= 14.89 ROTPER= n.a. H= 11.1 G= .150 B-V= n.a. (H RMS)= n.a. ALBEDO= .079 STYP= n.a. ******************************************************************************************************************** Date__(UT)__HR:MN R.A.__(a-apparent)__DEC Azi_(a-appr)_Elev APmag S-brt delta deldot S-T-O Cnst ******************************************************************************************************************** 2002-Jun-01 06:00 m 00 00 11.22 +08 35 24.1 78.5932 -0.4350 17.00 7.21 3.2562273056 -17.98338 18.0850 Psc 2002-Jun-02 06:00 m 00 01 08.85 +08 43 09.4 78.9606 0.2168 16.99 7.22 3.2460110617 -18.10354 18.1652 Psc 2002-Jun-03 06:00 00 02 05.86 +08 50 51.3 79.3290 0.8706 16.99 7.22 3.2357263654 -18.22117 18.2429 Psc 2002-Jun-04 06:00 00 03 02.22 +08 58 29.9 79.6984 1.5263 16.99 7.22 3.2253746856 -18.33613 18.3182 Psc 2002-Jun-05 06:00 00 03 57.94 +09 06 05.1 80.0690 2.1839 16.99 7.23 3.2149575675 -18.44828 18.3910 Psc 2002-Jun-06 06:00 00 04 53.01 +09 13 36.9 80.4408 2.8436 16.98 7.23 3.2044766333 -18.55750 18.4611 Psc 2002-Jun-07 06:00 00 05 47.41 +09 21 05.1 80.8139 3.5052 16.98 7.23 3.1939335831 -18.66365 18.5287 Psc 2002-Jun-08 06:00 00 06 41.14 +09 28 29.7 81.1884 4.1688 16.98 7.24 3.1833301993 -18.76657 18.5936 Psc 2002-Jun-09 06:00 00 07 34.19 +09 35 50.6 81.5646 4.8343 16.97 7.24 3.1726683496 -18.86612 18.6558 Psc 2002-Jun-10 06:00 00 08 26.55 +09 43 07.8 81.9424 5.5019 16.97 7.24 3.1619499892 -18.96215 18.7152 Psc 2002-Jun-11 06:00 00 09 18.20 +09 50 21.1 82.3220 6.1715 16.96 7.25 3.1511771610 -19.05451 18.7719 Psc 2002-Jun-12 06:00 00 10 09.14 +09 57 30.6 82.7036 6.8431 16.96 7.25 3.1403519890 -19.14305 18.8257 Psc 2002-Jun-13 06:00 00 10 59.35 +10 04 36.1 83.0871 7.5168 16.96 7.25 3.1294766678 -19.22768 18.8767 Psc 2002-Jun-14 06:00 00 11 48.83 +10 11 37.5 83.4729 8.1924 16.95 7.26 3.1185534439 -19.30833 18.9247 Psc 2002-Jun-15 06:00 00 12 37.57 +10 18 34.8 83.8610 8.8701 16.95 7.26 3.1075845941 -19.38495 18.9697 Psc 2002-Jun-16 06:00 00 13 25.55 +10 25 27.8 84.2515 9.5497 16.94 7.26 3.0965724007 -19.45756 19.0118 Psc 2002-Jun-17 06:00 00 14 12.76 +10 32 16.6 84.6446 10.2315 16.94 7.27 3.0855191269 -19.52622 19.0508 Psc 2002-Jun-18 06:00 00 14 59.20 +10 39 01.1 85.0404 10.9152 16.93 7.27 3.0744269960 -19.59101 19.0868 Psc 2002-Jun-19 06:00 m 00 15 44.87 +10 45 41.2 85.4390 11.6010 16.93 7.27 3.0632981751 -19.65203 19.1196 Psc 2002-Jun-20 06:00 m 00 16 29.75 +10 52 16.8 85.8406 12.2888 16.92 7.27 3.0521347648 -19.70940 19.1493 Psc 2002-Jun-21 06:00 m 00 17 13.83 +10 58 47.9 86.2453 12.9786 16.92 7.28 3.0409387977 -19.76324 19.1758 Psc 2002-Jun-22 06:00 m 00 17 57.12 +11 05 14.5 86.6533 13.6705 16.91 7.28 3.0297122452 -19.81365 19.1991 Psc 2002-Jun-23 06:00 m 00 18 39.60 +11 11 36.6 87.0647 14.3644 16.91 7.28 3.0184570334 -19.86067 19.2191 Psc 2002-Jun-24 06:00 m 00 19 21.25 +11 17 53.9 87.4797 15.0603 16.90 7.28 3.0071750670 -19.90433 19.2359 Psc 2002-Jun-25 06:00 m 00 20 02.08 +11 24 06.5 87.8985 15.7583 16.89 7.28 2.9958682572 -19.94458 19.2492 Psc 2002-Jun-26 06:00 m 00 20 42.05 +11 30 14.2 88.3212 16.4583 16.89 7.29 2.9845385512 -19.98134 19.2592 Psc 2002-Jun-27 06:00 m 00 21 21.17 +11 36 17.1 88.7481 17.1603 16.88 7.29 2.9731879567 -20.01449 19.2658 Psc 2002-Jun-28 06:00 m 00 21 59.42 +11 42 14.9 89.1793 17.8643 16.87 7.29 2.9618185603 -20.04388 19.2688 Psc 2002-Jun-29 06:00 m 00 22 36.78 +11 48 07.7 89.6150 18.5704 16.87 7.29 2.9504325394 -20.06934 19.2684 Psc 2002-Jun-30 06:00 m 00 23 13.25 +11 53 55.3 90.0555 19.2785 16.86 7.29 2.9390321666 -20.09071 19.2643 Psc 2002-Jul-01 06:00 m 00 23 48.82 +11 59 37.7 90.5010 19.9886 16.85 7.29 2.9276198107 -20.10782 19.2566 Psc ******************************************************************************************************************** Column meaning: TIME Prior to 1972, times are UT1. Dates thereafter are UTC. Any 'b' symbol in the 1st-column denotes a B.C. date. First-column blank (" ") denotes an A.D. date. Calendar dates prior to 1582-Oct-15 are in the Julian calendar system. Later calendar dates are in the Gregorian system. The uniform Coordinate Time scale is used internally. Conversion between CT and the selected non-uniform UT output scale has not been determined for UTC times after the next July or January 1st. The last known leap-second is used over any future interval. NOTE: "n.a." in output means quantity "not available" at the print-time. SOLAR PRESENCE Time tag is followed by a blank, then a solar-presence symbol: '*' Daylight (refracted solar upper-limb on or above apparent horizon)'C' Civil twilight/dawn'N' Nautical twilight/dawn'A' Astronomical twilight/dawn' ' Night OR geocentric ephemeris LUNAR PRESENCE The solar-presence symbol is immediately followed by a lunar-presence symbol: 'm' Refracted upper-limb of Moon on or above apparent horizon' ' Refracted upper-limb of Moon below apparent horizon OR geocentric ephemeris R.A._(a-apparent)__DEC. = Airless apparent right ascension and declination of the target with respect to the Earth true-equator and the meridian containing the Earth true equinox of date. Corrected for light-time, gravitational deflection of light, stellar aberration, precession & nutation. Units:HMS (HH MM SS.ff) and DMS (DD MM SS.f) Azi_(a-appr)_Elev = Airless apparent azimuth and elevation of target. Corrected for light-time, the gravitational deflection of light, stellar aberration, precession and nutation. Azimuth measured North(0) -> East(90) -> South(180) -> West(270), elevation with respect to plane perpendicular to local zenith direction. TOPOCENTRIC ONLY. Units: DEGREES APmag S-brt = Asteroid's approximate apparent visual magnitude & surface brightness. APmag = H + 5*log10(delta) + 5*log10(r) - 2.5*log10((1-G)*phi1 + G*phi2) Units: none & VISUAL MAGNITUDES PER SQUARE ARCSECOND delta deldot = Target apparent range ("delta") and range-rate ("delta-dot") relative to observer. Units: AU and KM/S S-T-O = Sun-Target-Observer angle; target's apparent PHASE ANGLE as seen at observer's location at print time. Units: DEGREES Cnst = Constellation ID; the 3-letter abbreviation for the constellation name of target's astrometric position, as defined by IAU (1930) boundary delineation. See documentation for list of abbreviations. Computations by ... Solar System Dynamics Group, Horizons On-Line Ephemeris System 4800 Oak Grove Drive, Jet Propulsion Laboratory Pasadena, CA 91109 USA Information: http://ssd.jpl.nasa.gov/ Connect : telnet://ssd.jpl.nasa.gov:6775 (via browser) telnet ssd.jpl.nasa.gov 6775 (via command-line) E-mail : horizons@ssd.jpl.nasa.gov ******************************************************************************************************************** ------------------------------------------------------------------------ [JPL/SSD Home] Credits/Awards Contact: Webmaster (webmaster@ssd.jpl.nasa.gov) Last modified: 2001 November 6 16:20