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. 2002-07-01 05:00 UT To: A.D. 2002-08-01 05:00 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 14:49:38 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 14:49:38 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-Jul-01 05:00:00.0000 UT Stop time : A.D. 2002-Aug-01 05:00:00.0000 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-Jul-01 05:00 m 00 23 47.36 +11 59 23.4 81.2623 8.3127 16.85 7.29 2.9281039332 -20.12098 19.2570 Psc 2002-Jul-02 05:00 m 00 24 22.04 +12 05 00.6 81.6999 9.0186 16.85 7.30 2.9166823821 -20.13518 19.2458 Psc 2002-Jul-03 05:00 00 24 55.80 +12 10 32.5 82.1404 9.7271 16.84 7.30 2.9052537597 -20.14480 19.2308 Psc 2002-Jul-04 05:00 00 25 28.62 +12 15 58.8 82.5840 10.4384 16.83 7.30 2.8938207136 -20.14967 19.2120 Psc 2002-Jul-05 05:00 00 26 00.49 +12 21 19.6 83.0308 11.1522 16.82 7.30 2.8823859868 -20.14964 19.1894 Psc 2002-Jul-06 05:00 00 26 31.39 +12 26 34.6 83.4810 11.8688 16.82 7.30 2.8709524213 -20.14452 19.1629 Psc 2002-Jul-07 05:00 00 27 01.32 +12 31 43.9 83.9349 12.5880 16.81 7.30 2.8595229619 -20.13414 19.1324 Psc 2002-Jul-08 05:00 00 27 30.26 +12 36 47.3 84.3926 13.3098 16.80 7.30 2.8481006608 -20.11829 19.0979 Psc 2002-Jul-09 05:00 00 27 58.21 +12 41 44.7 84.8542 14.0344 16.79 7.30 2.8366886775 -20.09681 19.0594 Psc 2002-Jul-10 05:00 00 28 25.13 +12 46 35.9 85.3202 14.7615 16.78 7.30 2.8252902746 -20.06951 19.0167 Psc 2002-Jul-11 05:00 00 28 51.03 +12 51 21.0 85.7905 15.4914 16.77 7.30 2.8139088042 -20.03626 18.9699 Psc 2002-Jul-12 05:00 00 29 15.89 +12 55 59.7 86.2656 16.2238 16.76 7.30 2.8025476857 -19.99696 18.9189 Psc 2002-Jul-13 05:00 00 29 39.70 +13 00 32.0 86.7455 16.9589 16.76 7.30 2.7912103758 -19.95158 18.8636 Psc 2002-Jul-14 05:00 00 30 02.46 +13 04 57.8 87.2306 17.6966 16.75 7.30 2.7799003363 -19.90014 18.8041 Psc 2002-Jul-15 05:00 00 30 24.14 +13 09 16.9 87.7211 18.4369 16.74 7.30 2.7686210033 -19.84270 18.7402 Psc 2002-Jul-16 05:00 00 30 44.75 +13 13 29.3 88.2172 19.1797 16.73 7.30 2.7573757650 -19.77936 18.6719 Psc 2002-Jul-17 05:00 00 31 04.28 +13 17 35.0 88.7192 19.9250 16.72 7.30 2.7461679502 -19.71022 18.5993 Psc 2002-Jul-18 05:00 m 00 31 22.73 +13 21 33.8 89.2274 20.6728 16.71 7.30 2.7350008268 -19.63539 18.5222 Psc 2002-Jul-19 05:00 m 00 31 40.07 +13 25 25.6 89.7420 21.4232 16.70 7.30 2.7238776102 -19.55493 18.4406 Psc 2002-Jul-20 05:00 m 00 31 56.32 +13 29 10.4 90.2634 22.1759 16.69 7.30 2.7128014779 -19.46891 18.3546 Psc 2002-Jul-21 05:00 m 00 32 11.46 +13 32 48.1 90.7918 22.9310 16.68 7.30 2.7017755895 -19.37733 18.2640 Psc 2002-Jul-22 05:00 m 00 32 25.47 +13 36 18.6 91.3277 23.6885 16.67 7.30 2.6908031087 -19.28016 18.1688 Psc 2002-Jul-23 05:00 m 00 32 38.36 +13 39 41.7 91.8712 24.4482 16.66 7.29 2.6798872271 -19.17734 18.0691 Psc 2002-Jul-24 05:00 m 00 32 50.10 +13 42 57.5 92.4229 25.2102 16.65 7.29 2.6690311861 -19.06876 17.9647 Psc 2002-Jul-25 05:00 m 00 33 00.69 +13 46 05.6 92.9830 25.9744 16.64 7.29 2.6582382967 -18.95428 17.8556 Psc 2002-Jul-26 05:00 m 00 33 10.12 +13 49 06.2 93.5520 26.7407 16.62 7.29 2.6475119540 -18.83375 17.7418 Psc 2002-Jul-27 05:00 m 00 33 18.38 +13 51 58.9 94.1304 27.5091 16.61 7.29 2.6368556477 -18.70700 17.6232 Psc 2002-Jul-28 05:00 m 00 33 25.47 +13 54 43.9 94.7185 28.2794 16.60 7.28 2.6262729668 -18.57386 17.4998 Psc 2002-Jul-29 05:00 m 00 33 31.38 +13 57 20.8 95.3168 29.0516 16.59 7.28 2.6157676008 -18.43414 17.3716 Psc 2002-Jul-30 05:00 m 00 33 36.10 +13 59 49.6 95.9258 29.8256 16.58 7.28 2.6053433384 -18.28768 17.2386 Psc 2002-Jul-31 05:00 m 00 33 39.63 +14 02 10.3 96.5460 30.6013 16.57 7.28 2.5950040658 -18.13431 17.1007 Psc 2002-Aug-01 05:00 m 00 33 41.95 +14 04 22.7 97.1779 31.3786 16.56 7.27 2.5847537642 -17.97387 16.9578 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