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E P H Version 1.4.8 User s Guide (C)opyright 1988-2012 /Kentaro Osada /Satoru Yamane /Masahiro Nishiyama 2012 2 28

i EPH Ver. 1.2 Document(eph doc.txt) Ver. 1.4.8 EPH Version 1.4.8 EPH 7 0.1 20 (TT JST UT) 1950/2000 MPC [6] C IAUC, EMP, MPC, 1988 COMET HANDBOOK(ICQ)

ii EMP Ephemerides of Minor Planets IAUC International Astronomical Union Circular ICQ International Comet Quarterly MPC Minor Planets Circular EPH Ephemerides of Comets and Minor Planets Ver. 1.4.8 Ver. 1.4.8 Windows Unix ET( ) TT( ) Printer Windows Unix Printer ESC curses 1 1

iii i 1 1 1.1........................................... 1 1.2............................................. 1 1.3........................................ 1 1.4 mpc2eph.lst........................................... 2 1.5 ut2et tbl.dat.......................................... 2 2 EPH 3 2.1........................................ 3 2.2...................................... 4 2.3......................................... 5 2.3.1 ( )....................... 6 2.3.2..................................... 6 2.4........................................ 7 2.5........................................ 8 2.6...................................... 9 2.7........................................ 9 2.8......................................... 10 2.9......................................... 10 2.10........................................ 11 2.11 1....................................... 11 2.12 2....................................... 11 2.13 1......................................... 12 2.14.......................................... 12 2.15........................................ 13 2.16.......................................... 13 2.17 2......................................... 14 2.18..................................... 14 2.19.......................................... 15 2.20........................................ 16 2.21 MPC...................................... 16 2.22 MPC.................................... 17 3 19 3.1 Comet.............................................. 19 3.2 Minor Planet.......................................... 20 4 21 5 To Do 25

iv 6 27 6.1............................................. 27 6.2........................................ 27 7 29 7.1 Ver. 1.2......................................... 29 A 31 B 33 B.1............................................. 33 B.2 date................................. 33 B.3 (V ) (B)....................... 33 B.4.................................. 33 B.5 Variation................................. 34 B.6............................. 34 B.7 /......................... 34 B.8............................... 34 35

v 2.1......................................... 3 2.2........................................ 7 2.3........................................ 8 2.4...................................... 9 2.5........................................ 9 2.6......................................... 10 2.7......................................... 10 2.8........................................ 11 2.9 1....................................... 11 2.10 2....................................... 11 2.11 1......................................... 12 2.12.......................................... 12 2.13........................................ 13 2.14.......................................... 13 2.15 2......................................... 14 2.16..................................... 14 2.17.......................................... 15 2.18........................................ 16 2.19 MPC...................................... 16 2.20.................................. 16 2.21 MPC -............................ 17 2.22 MPC -............................ 17

vii 1.1 mpc2eph.lst....................................... 2 2.1............................................. 4 2.2......................................... 5 2.3 -................................... 6 2.4 -................................... 6 2.5............................... 10 2.6...................................... 15 3.1 -.................................... 19 3.2 -................................... 20

1 1 1.1 1. Windows 2000/XP/Vista UNIX OS(FreeBSD, Linux, Mac OS X ) 2. 80 24 ( ) 1.2 EPH HOMEDRIVE,HOMEPATH(Windows ) HOME(Windows ) 1.3 Windows EPH.SYS Unix.ephrc 1 1. EPH 2. 3. EPH 2 System control Ephemeris: " Date/Step " Location Identification: Range " Date " Location Output Item/device " Output device 1 2 3

2 1 1.4 mpc2eph.lst MPC MPC mpc2eph.lst mpc2eph.lst 1.3 mpc2eph.lst ;( ) 1.1: mpc2eph.lst C : M : URL MPC MPC 1.5 ut2et tbl.dat UT TT EPH ut2et tbl.dat 1.3 ut2et tbl.dat JD UT-TT #

3 2 EPH 2.1 2.1 Main Menu Ephemeris ( ) Ephemeris Menu Load elem. from File Edit Current Orbit Edit Current Date Edit Current Location Caluclation Select output date Select output item 1 1 Select output item 2 2 Output control 1 Back to Main Menu Identification ( ) Identification Menu Edir Current Date Edit Current Range Edit Current Location Caluclation Output control 2 Back to Main Menu Library Search Library Search Menu Search Back to Main Menu System control Filer Filer Menu Quit Load elem. from File Edit Current Orbit Edit comment field Save Orbit element Delete Orbit element Undel Orbit element Import MPC Orbit MPC MPC Back to Main Menu 2.1:

4 2 EPH ( ) Enter x/... x x ( ) ( ) - half-bright ( BLUE ) Ephemeris Filer EPH Identification Library search 2.2 2.1: ( ) ctrl-o INS ctrl-g DEL ctrl-d ctrl-f ctrl-s ctrl-b BS(ctrl-H) ctrl-r ESC(ctrl-[) / CR(ctrl-M) ctrl-e ctrl-x ctrl-i TAB ctrl-k BS DOS (Shift-JIS) Ver. 1.10 ESC ESC ctrl-r

2.3. 5 2.3 2.2: Roman numeral designation [S] Provisional designation / Number[S] Comet / Minor planet Name [S] Osculation epoch (Epoch)[N] Mean anomaly ( M )[N] Time of peri. passage ( T )[N] Argument of perihelion (peri.)[n] Longitude of asc. node (node )[N] Inclination (incl.)[n] Perihelion distance ( q )[N] Eccentricity ( e )[N] Semi-major axis ( a )[N] Mean Daily motion ( n )[N] Period ( P )[N] Note [S] ( ) ( AND ) Scan Go Return to Menu ESC ctrl-c ctrl-k

6 2 EPH 2.3.1 ( ) 2.3: - < x x < x x <= x x x x >= x x > x x x : y x y <1990/01/01 1990/01/01 <= 1.0 1.0 > 1.0 1.0 >= 1.0 1.0 <, >, =, : >=, <= ( x 0 ) : 350:10 x 0 2.3.2 egrep (jgawk ) 2.4: - c c c c. ( ) ^ $ [abc...] abc... [^abc...] abc... r1 r2 r1 r2 r1r2 r1 r2 r+ 1 r r* 0 r r? 1 r (r) r

2.4. 7 2.4 2.3 2.2:

8 2 EPH 2.5 N P Enter ESC 2.3:

2.6. 9 2.6 2.4: Roman numeral designation Provisional designation / Number Comet / Minor planet name 2.7 2.5: TT - UT conversion Manual TT - UT

10 2 EPH 2.8 2.6: Longitude [deg] -180 180 Latitude [deg] -90 90 + - + - Longitude 135.0-225.0 2.9 2.7: --- more --- 2.5: Enter x q ESC Output 61 ephemerides

2.10. 11 2.10 2.8: 2.11 1 2.9: 1 2.12 2 2.10: 2

12 2 EPH 2.13 1 2.11: 1 Calculation accuracy 1 Standard Correct Parallax Yes ( ) No Optimum obs. date Optimum obs. time Auto Stop Scroll(more) Yes No Output device File Prnter 2.14 2.12: 1 B.1

2.15. 13 2.15 2.13: 2.16 Library 2.14:

14 2 EPH 2.17 2 2.15: 2 Output mode h/a O-C 2 Stop Scroll(more) Yes No Output device File Prnter 2.18 Library 2.16: 2 B.7 /

2.19. 15 2.19 EPH 2.17: Target Time system TT - UT conversion c Epoch of Orbital Element Eph. Date mode Eph. Step mode Metcalf parameter Lib. elem. File(C) Lib. elem. File(M) EPH elem. File(C) EPH elem. File(M) Scan direction Work Eph. Out File Work IdentOut File 2.6: JST ET a UT TT b T T UT B1950 J2000 d Identification Library search Identification Library search Ephemeris Filer Ephemeris Filer Ephemeris Identification a b TD( ) c 2011 1 TT- UT d B.6 Ver. 1.4.8 Overwrite?(y/n) y

16 2 EPH 2.20 2.18: 2.21 MPC MPC 2.19: MPC Page Up/Page Down D 2.20: I

2.22. MPC 17 2.22 MPC 2.21: MPC - File MPC Search / Start MPC 1000 MPCORB.DAT Enter 2.22: MPC - Page Up/Page Down Enter Sel. [*] Enter I EPH MPC

19 3 EPH Ver. 1.4.8 Ver. 1.10 ^Z Ver. 1.20 EPH ^Z UNIX Delimiter LF EPH DOS CR+LF DOS 3.1 Comet 3.1: - column length type content 1-11 11 Char Roman numeral designation 12-29 18 Date perihelion time 30-40 11 Num perihelion distance 41-49 9 Num eccentricity 57-66 10 Num argument of perihelion 67-76 10 Num longitude of ascending node 77-86 10 Num inclination 87-100 14 Date osculation epoch 102-107 6 Num No. of observations/indicated correction 110-132 23 Char time span of observations 133-134 2 Num No. of planets 139-166 28 Char name (P/ signifies a short-period comet) 167 1 Char Delete flag 168-172 5 Num h1 173-177 5 Num k1 178-182 5 Num h2 183-187 5 Num k2 189-198 10 Char designation 199-255 57 Char comment 256-257 2 Ctrl Delimiter(CR/LF)

20 3 3.2 Minor Planet 3.2: - column length type content 1-7 7 Num Number 8-14 7 Num H 15-23 9 Num M 24-33 10 Num peri. 34-43 10 Num node 44-52 9 Num incl. 53-62 10 Num e 63-73 11 Num n 74-84 11 Num a 85-90 6 Num G 91-98 8 Date Epoch (YYYY type year is also available) 99-108 10 Char Reference 109-110 2 Ctrl Delimitor(CR/LF) 111 111 1 Char delete flag 112-141 30 Char name 142-194 53 Char comment 195-196 2 Ctrl Delimiter(CR/LF)

21 4 Ver. 0.7 : 1988/04/28 7 Ver. 0.9( ) : 1988/07/28 Ver. 1.0 : 1989/05/24 Daily motion ( ) Motion & Position Angle Variation DeAN ( awk ) ( )

22 4 Ver. 1.1 : 1989/12/27 fix SAE fix 1 (19h00m 18h59m ) Ver. 1.2 : 1989/12/27 FIX Mot./PA Metcalf Mot./PA UT-ET time 00s 0s a P 1 2000 IAU format termcap (INT 29H/21H) MS-DOS -! ( INT 29H/21H ) more Ẑ comment field ( ) Ephemeris

23 QIUT Ver. 1.3a : 1992/03/01 Ver. 1.4 : 2011/01/29 FreeBSD curses Ver. 1.4.1 : 2011/02/09 Linux MacOS X Unix (FreeBSD Linux MacOS X) Ver. 1.4.2 : 2011/02/21 curses Ver. 1.4.6 : 2011/09/08 32bit Windows (Visual C++ BCC 5.5 cygwin MinGW) MSDOS MSDOS DeAN SAE MSDOS CR/LF LF termcap 6 MPC EPH MPC Windows MPC Note ID Windows

24 4 MPC EPH config & Fix Ver. 1.4.7 : 2012/02/18 libcurl libfetch MPC TT-UT Identification L A TEX Visual C++(Visual Studio) USE CURL make make makefile [Equinox:2000.0] 2 Ver. 1.4.8 : 2012/02/28 Windows mpc2eph.lst CR+LF

25 5 To Do 1. filer 2. 3. ( ) 4.

27 6 6.1 1 1. 2. 1 3. BBS 4. 5. 2 6. GNU 3 GNU general public licence 4 6.2 : (2012/02/18 ) : yamane@carina.gr.jp : wasat@gemini.bekkoame.ne.jp Web https://www.carina.gr.jp/ yamane/contact/ 1 GNU General Public Licence 2 3 serow jgawk2.11 4 GPL v1

29 7 Ver. 1.4.1 MacOS X ( ) @kojiaki ( ) 7.1 Ver. 1.2 PC-VAN, NIFTY-Serve, ASCII-Net PCS SIG termcap WASAT(pcs30781) FMR & PS/55 termcap GNU awk jgawk 2.11 regex.c, regex.h, alloca.asm less 123 termcap.c Turbo C++ Ver. 1.0 serow(pcs19614) Ver. 1.20 (?) ;-) syohei void No.2 fin.exe

31 A ( ) S.Newcomb:Table of the Motion of the Earth on its Axis and around the Sun(1895) 100 1980-1984 Newcomb Newcomb 1 1984 IAUC1976 JPL DE118/LE62 15 DE IAUC1976 ( ) Newcomb Newcomb 0.000004 1989 ( ) ( Newcomb ) B1950.0 (Newcomb ) 1986 ( ) 2000 1 Newcomb 2000.0 OAA Newcomb FACOM-380R Newcomb N88-BASIC [7] [6] Newcomb ( 1980-1984 ) (HN: ) (HN: ) C FORTRAN77 PC-VAN SIG SPACE( ) SKY LAB IAU1976

32 A ET TD B1950.0 J2000.0 1992 B1950.0

33 B EPH B.1 Standard Newcomb 7 0.1 8087 Simple 4 Simple 0.1 10 Standard 0.1 4 1 A B.2 date date (App.) 0.1 B.3 (V ) (B) 1985 IAU EPH V (G) 0.0 B H B H = B(1, 0) 1.0 B.4 0.5 1 Ver. 1.4

34 B B.5 Variation T = +1day M = +1deg. EPH T = +1day M = +1deg. B.6 EPH ( ) ( 0 ) +1 Mot./PA Mot./PA M 1 j ( ) M = j/s p j (deg.) s (deg.) p j = 0.00100 p System Control p = 1.00000 B.7 / B.8 ( ) 0

35 Ver. 1.3a 20 OS MPC EPH EPH Ver. 1.2 3 Ver. 1.0 EPH EPH EPH

37 [1] (1959). [2] (1969). [3] Brian G. Marsden:Catalogue of Cometary Orbits (2nd Edition),(1975). [4] (1978). [5] 78, 79. [6] (1983). [7] (1983). [8] (1984). [9] ( ) (1985). [10] Brian G. Marsden:Catalogue of Discoveries and Identifications of Minor Planets (2nd Edition),(1986). [11] Brian G. Marsden: Catalogue of Discoveries and Identifications of Minor Planets (2nd Edition),(1986). [12] Brian G. Marsden: Catalogue of Orbits of Unnumbered Minor Planets (2nd Edition),(1986). [13] Brian G. Marsden: Catalogue of Cometary Orbits (5th Edition),(1986). [14], 63. [15] Ephemerides of Minor Planets for 1988. [16] ICQ:1988 COMET HANDBOOK. [17] 1950 (B1950) (12) 752,11(1988). [18] haru-k & D-TANA DeAN(Desktop Astro Navigator).