The format of this file is similar to that of the Catalogue of Comet Discoveries.
C/1999 A1 1999 01 12.486 23 38.2 -28 23 55E V 20L 6 3.5 10.5 AUS A 7084 Tilbrook
C/1999 C1 1999 02 06.459 21 49.2 -17 59 8E C 1G18 9 SAT 249 7123 SOHO (Lewis)
C/1999 C2 1999 02 06.099 21 35.2 -17 04 4E C 1G18 9 SAT 249 7422 SOHO
P/1999 D1 1999 02 20.405 12 15.0 +03 20 149M C 59D 2 0.4 17 USA 699 7111 x 275P/Hermann
C/1999 D2 1999 02 27.888 22 55.9 -08 58 4E C 1G18 9 SAT 249 9173 SOHO (Kusiak)
C/1999 D3 1999 02 28.238 22 55.5 -09 16 3E C 1G18 9 SAT 249 9173 SOHO (Kusiak)
P/1999 DN3 1999 02 18.973 13 02.2 -06 48 133M C 41L 4 0.2 18.5 HRV 120 A 7167 x 183P/Korlevic-Juric
C/1999 E1 1999 03 13.176 06 24.7 +04 41 104E C 76Y 8 0.5 15 USA 662 7126 x Li
C/1999 E2 1999 03 02.513 23 19.1 -08 35 7E C 1G18 9 SAT 249 7377 SOHO (Oates)
C/1999 F1 1999 03 23.316 13 22.2 -08 28 160M C 41D 3 0.2 18 USA 703 7148 x Catalina
C/1999 F2 1999 03 20.447 12 06.9 +00 13 126M C250Y 5 0.3 15.5 USA 645 7194 x Dalcanton
C/1999 F3 1999 03 17.238 23 50.8 +00 08 2E C 1G18 9 USA 249 7898 SOHO (Kracht)
C/1999 F4 1999 03 16.363 23 56.2 -02 31 C 1G18 9 SAT 249 SOHO (Kusiak)
C/1999 G1 1999 04 07.238 13 37.9 -02 33 170M C100C 2 0.4 17 USA 704 7140 x LINEAR
C/1999 G2 1999 04 13.338 01 32.0 +07 58 2E C 2G 18 6.5 SAT 249 7142 SOHO (Biesecker)
C/1999 G3 1999 04 02.021 00 50.9 +03 58 2E C 2G 18 SAT 249 7458 SOHO (Oates)
C/1999 G4 1999 04 03.496 00 56.3 +04 31 2E C 2G 18 SAT 249 7458 SOHO (Oates)
C/1999 G5 1999 04 11.246 01 24.4 +07 16 2E C 2G 18 SAT 249 7459 SOHO (Oates)
C/1999 H1 1999 04 16.5 13 51.0 -62 22 122M V 40L75 6 3 9 AUS A 7144 Lee
C/1999 H2 1999 04 19.229 01 53.5 +10 03 2E C 2G 18 6 SAT 249 7147 SOHO (Biesecker)
C/1999 H3 1999 04 22.309 19 17.3 +44 10 89M C100C 2 1.0 14 USA 704 7151 LINEAR
C/1999 H4 1999 04 26.821 02 29.7 +11 29 4E C 1G18 9 4.5 SAT 249 7157 SOHO (Gregory)
C/1999 H5 1999 04 24.455 02 12.5 +11 43 2E C 2G 18 SAT 249 7454 SOHO (Oates)
C/1999 H6 1999 04 28.729 02 27.6 +12 59 2E C 2G 18 SAT 249 7458 SOHO (Oates)
C/1999 H7 1999 04 20.413 01 57.3 +10 21 2E C 2G 18 SAT 249 7459 SOHO (Oates)
C/1999 H8 1999 04 19.938 01 55.5 +10 19 2E C 2G 18 SAT 249 7839 SOHO (Kracht)
C/1999 H9 1999 04 26.254 02 15.7 +11 54 2E C 2G 18 SAT 249 7839 SOHO (Kracht)
C/1999 J1 1999 05 07.804 03 04.8 +14 56 3E C 1G18 9 6 SAT 249 7162 SOHO (Biesecker)
C/1999 J2 1999 05 13.403 16 58.5 +63 43 96M C 59D 2 1.0 14.5 USA 699 7165 x Skiff
C/1999 J3 1999 05 12.283 15 49.7 +72 55 89M C100C 2 0.2 17 USA 704 7166 LINEAR
C/1999 J4 1999 05 15.318 15 51.4 +45 12 116M C100C 2 0.2 18 USA 704 7170 LINEAR
P/1999 J5 1999 05 12.359 16 42.3 -08 28 157M C100C 2 0.2 17 USA 704 7201 187P/LINEAR
P/1999 J6 1999 05 10.726 03 05.0 +15 48 2M C 1G18 9 8 SAT 249 7386 SOHO (Oates)
C/1999 J7 1999 05 05.326 02 52.3 +14 53 2E C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 J8 1999 05 07.726 03 01.0 +15 29 2E C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 J9 1999 05 09.226 03 06.6 +15 54 2E C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 J10 1999 05 10.976 03 12.9 +16 17 2E C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 J11 1999 05 14.504 03 26.6 +17 09 2E C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 J12 1999 05 03.035 02 43.2 +14 10 3E C 2G 18 SAT 249 7459 SOHO (Oates)
C/1999 J13 1999 05 13.993 03 24.5 +17 03 2E C 2G 18 SAT 249 7839 SOHO (Kracht)
C/1999 K1 1999 05 20.238 03 54.8 +16 55 4E C 1G18 9 7 SAT 249 7173 x SOHO (Biesecker)
C/1999 K2 1999 05 19.366 20 48.2 -07 56 105M C 59D 2 0.3 17 USA 699 7175 x Ferris
C/1999 K3 1999 05 20.270 19 02.7 +09 03 124M C100C 2 0.6 15 USA 704 7175 LINEAR
C/1999 K4 1999 05 17.326 16 05.8 +05 45 119M C100C 2 0.1 18.5 USA 704 7176 LINEAR
C/1999 K5 1999 05 20.317 19 44.4 -09 15 122M C100C 2 0.3 16 USA 704 7178 x LINEAR
C/1999 K6 1999 05 20.227 19 01.7 +09 27 124M C100C 2 0.5 15 USA 704 7180 LINEAR
C/1999 K7 1999 05 24.341 18 27.7 +19 03 127M C100C 2 0.1 18 USA 704 7181 LINEAR
C/1999 K8 1999 05 26.384 21 36.0 +34 29 85M C100C 2 0.5 15.5 USA 704 7182 x LINEAR
C/1999 K9 1999 05 23.698 04 03.8 +18 13 3E C 1G18 9 SAT 249 7204 SOHO (Vourlidas)
C/1999 K10 1999 05 31.698 04 33.4 +19 47 2E C 1G18 9 SAT 249 7204 SOHO (Biesecker)
C/1999 K11 1999 05 19.960 03 46.9 +18 29 1E C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 K12 1999 05 23.563 03 59.9 +18 54 2M C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 K13 1999 05 24.327 04 01.4 +18 53 2M C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 K14 1999 05 27.976 04 17.6 +19 41 2M C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 K15 1999 05 28.810 04 21.3 +19 49 2E C 2G 18 SAT 249 7439 SOHO (Oates)
C/1999 K16 1999 05 26.576 04 13.7 +22 26 1E C 2G 18 SAT 249 7842 SOHO (Kracht)
C/1999 K17 1999 05 27.754 04 17.0 +19 39 2E C 2G 18 SAT 249 7842 SOHO (Kracht)
C/1999 L1 1999 06 05.013 04 51.1 +19 40 3E C 1G18 9 SAT 249 7197 SOHO (Biesecker)
C/1999 L2 1999 06 11.243 16 35.1 +15 26 140E C100C 2 0.3 16 USA 704 7199 LINEAR
C/1999 L3 1999 06 09.171 13 07.3 -26 32 126E C100C 2 0.2 17 USA 704 7200 LINEAR
C/1999 L4 1999 06 01.448 04 33.9 +19 37 3M C 1G18 9 SAT 249 7204 SOHO (Vourlidas)
C/1999 L5 1999 06 10.613 05 10.1 +20 13 3M C 1G18 9 SAT 249 7208 SOHO (Biesecker)
C/1999 L6 1999 06 01.299 04 34.6 +20 18 2M C 2G 18 SAT 249 7452 SOHO (Oates)
C/1999 L7 1999 06 01.129 04 40.5 +20 25 2M C 2G 18 SAT 249 7452 SOHO (Oates)
C/1999 L8 1999 06 06.310 04 54.2 +20 53 2M C 2G 18 SAT 249 7452 SOHO (Oates)
C/1999 L9 1999 06 09.368 05 09.7 +24 20 1E C 2G 18 SAT 249 7842 SOHO (Kracht)
C/1999 M1 1999 06 16.138 05 32.8 +20 49 3M C 1G18 9 SAT 249 7208 SOHO (Biesecker)
C/1999 M2 1999 06 27.314 06 17.3 +21 50 2M C 2G 18 SAT 249 7212 SOHO (Biesecker)
C/1999 M3 1999 06 30.396 06 29.6 +23 32 2M C 2G 18 SAT 249 7853 SOHO (Kracht)
C/1999 M4 1999 06 24.071 06 02.0 +21 14 3M C 1G18 9 SAT 249 8022 SOHO (Oates)
C/1999 N1 1999 07 01.071 06 30.6 +21 10 3M C 1G18 9 SAT 249 7213 SOHO (Lewis)
C/1999 N2 1999 07 13.451 09 40.6 -16 33 50E V 5B 4 7 AUS A 7222 Lynn
C/1999 N3 1999 07 09.363 07 00.2 +19 40 7M C 1G18 9 SAT 249 7222 SOHO (Biesecker)
C/1999 N4 1999 07 12.254 19 13.7 +01 08 157E C100C 2 0.1 17 USA 704 7226 x LINEAR
C/1999 N5 1999 07 10.938 07 12.8 +22 10 2M C 2G 18 SAT 249 7854 SOHO (Kracht)
C/1999 N6 1999 07 12.121 07 17.9 +22 33 2M C 2G 18 SAT 249 7854 SOHO (Kracht)
C/1999 O1 1999 07 31.513 08 27.0 +16 48 4M C 1G18 9 SAT 249 7367 SOHO (Lovejoy)
C/1999 O2 1999 07 21.888 07 49.5 +18 13 4M C 1G18 9 SAT 249 7376 SOHO (Lewis)
C/1999 O3 1999 07 31.446 08 22.4 +16 25 5M C 1G18 9 SAT 249 7376 SOHO (Lovejoy)
C/1999 O4 1999 07 18.821 07 44.7 +23 40 3M C 1G18 9 SAT 249 8026 SOHO (Kracht)
C/1999 O5 1999 07 26.179 08 07.3 +18 01 3M C 1G18 9 SAT 249 9173 SOHO (Ruan)
C/1999 P2 1999 08 05.279 08 39.9 +15 33 5M C 1G18 9 SAT 249 7234 x SOHO (Schenk)
C/1999 P3 1999 08 03.238 08 33.8 +15 58 5M C 1G18 9 SAT 249 7367 SOHO (Lewis)
C/1999 P4 1999 08 09.429 08 58.2 +14 39 4M C 1G18 9 SAT 249 7376 SOHO (Lewis)
C/1999 P5 1999 08 12.138 09 06.3 +13 30 5M C 1G18 9 SAT 249 7376 SOHO (Vourlidas)
C/1999 P6 1999 08 05.060 08 52.9 +17 49 2M C 2G 18 SAT 249 7863 SOHO (Kracht)
C/1999 P7 1999 08 12.996 09 23.3 +16 15 2M C 2G 18 SAT 249 7863 SOHO (Kracht)
C/1999 P8 1999 08 15.004 09 30.3 +15 12 2M C 2G 18 SAT 249 7863 SOHO (Kracht)
C/1999 P9 1999 08 15.229 09 35.2 +15 15 1M C 2G 18 SAT 249 7863 SOHO (Kracht)
C/1999 Q1 1999 08 23.821 09 51.1 +10 39 4M C 1G18 9 SAT 249 7376 SOHO (Lovejoy)
C/1999 Q2 1999 08 24.471 09 54.2 +10 11 4M C 1G18 9 SAT 249 7376 SOHO (Schenk)
C/1999 Q3 1999 08 30.738 10 10.4 +07 49 6M C 1G18 9 SAT 249 7376 SOHO (Biesecker)
C/1999 Q4 1999 08 25.138 09 54.7 +09 59 5M C 1G18 9 SAT 249 9173 SOHO (Ruan)
P/1999 R1 1999 09 04.896 10 48.8 +07 17 1M C 2G 18 8.5 SAT 249 7251 322P/SOHO (Lovejoy)
C/1999 R3 1999 09 04.863 10 25.5 +05 40 7M C 1G18 9 SAT 249 7376 SOHO (Schenk)
C/1999 R4 1999 09 05.846 10 36.0 +05 48 5M C 1G18 9 SAT 249 7383 SOHO (Lovejoy)
C/1999 R5 1999 09 09.321 10 52.3 +04 45 4M C 1G18 9 SAT 249 9154 SOHO (Ruan)
P/1999 RO28 1999 09 07.330 23 41.7 -14 32 167M C 59D 2 0.2 18.5 USA 699 7253 LONEOS
P/1999 RE70 1999 09 07.342 23 07.5 -05 39 179M C100C 2 19 USA 704 8704 x 176P/LINEAR
C/1999 S1 1999 09 16.571 11 05.7 +01 15 7M C 1G18 9 4.5 SAT 249 7256 x SOHO (Shanklin)
C/1999 S2 1999 09 17.720 03 13.4 -63 48 107M P124D 2 0.3 17.5 AUS 413 7260 McNaught-Watson
C/1999 S3 1999 09 24.344 01 21.9 +46 36 131M C100C 2 1.2 13 USA 704 7264 LINEAR
C/1999 S4 1999 09 27.398 05 03.8 +34 17 105M C100C 2 0.5 16 USA 704 7267 LINEAR
C/1999 S5 1999 09 20.638 11 29.6 +00 13 5M C 1G18 9 SAT 249 7383 SOHO (Schenk)
C/1999 S6 1999 09 21.179 11 34.6 +00 20 4M C 1G18 9 SAT 249 7383 SOHO (Schenk)
C/1999 S7 1999 09 24.196 11 42.6 -01 12 5M C 1G18 9 SAT 249 7383 SOHO (Schenk)
C/1999 S8 1999 09 20.071 11 33.2 +00 37 3M C 1G18 9 SAT 249 9154 SOHO (Ruan)
C/1999 T1 1999 10 07.637 02 04.5 -39 08 132M P124D 2 0.3 15 AUS 413 7273 McNaught-Hartley
C/1999 T2 1999 10 14.160 22 58.7 +29 22 141E C100C 2 0.3 15.5 USA 704 7280 x LINEAR
C/1999 T3 1999 10 03.337 03 09.1 +22 07 139M C100C 2 0.2 17 USA 704 7289 LINEAR
C/1999 U1 1999 10 18.380 04 38.7 +08 25 134M C 59D 2 0.5 16.5 USA 699 7283 x Ferris
C/1999 U2 1999 10 24.476 13 49.6 -12 58 2M C 2G 18 SAT 249 7292 x SOHO (Gregory, Shanklin)
P/1999 U3 1999 10 30.324 03 27.2 +58 18 133M C100C 2 0.4 16 USA 704 7295 241P/LINEAR
C/1999 U4 1999 10 31.248 02 08.8 +20 16 173E C 41D 3 0.4 16 USA 703 7298 x Catalina-Skiff
1999 11 01.278 C 59D 2 USA 699
C/1999 U5 1999 10 31.495 14 06.8 -17 27 5M C 1G18 9 SAT 249 7386 SOHO (Biesecker)
C/1999 U6 1999 10 17.910 13 20.8 -10 09 2M C 2G 18 SAT 249 7508 SOHO (Oates)
C/1999 U7 1999 10 27.129 13 57.0 -13 32 2M C 2G 18 SAT 249 7517 SOHO (Oates)
C/1999 U8 1999 10 29.326 14 05.9 -14 21 2M C 2G 18 SAT 249 7517 SOHO (Oates)
C/1999 U9 1999 10 30.271 14 10.1 -14 44 2M C 2G 18 SAT 249 7517 SOHO (Oates)
P/1999 V1 1999 11 05.440 09 37.2 +11 32 80M C 41D 3 0.2 17.5 USA 703 7302 330P/Catalina
C/1999 V2 1999 11 07.721 14 37.8 -18 29 4M C 1G18 9 SAT 249 7517 SOHO (Oates)
C/1999 V3 1999 11 14.746 15 15.3 -19 44 2M C 2G 18 SAT 249 7517 SOHO (Oates)
C/1999 V4 1999 11 15.538 15 18.6 -19 54 2M C 2G 18 SAT 249 7517 SOHO (Oates)
C/1999 V5 1999 11 14.379 15 13.6 -19 34 2M C 2G 18 SAT 249 8735 SOHO (Su)
C/1999 W1 1999 11 23.188 15 55.1 -22 06 2E C 2G 18 SAT 249 7386 SOHO (Biesecker)
C/1999 W2 1999 11 26.439 16 07.0 -22 34 2M C 2G 18 SAT 249 7898 SOHO (Kracht)
P/1999 WJ7 1999 11 28.944 04 34.9 +24 52 175M C 41L 4 17.5 HRV 120 A 7368 203P/Korlevic
P/1999 X1 1999 12 10.333 08 24.5 +20 08 134M C 30T 6 0.3 18 USA 734 A 7331 x 178P/Hug-Bell
C/1999 X2 1999 12 03.896 16 42.2 -23 41 2E C 2G 18 SAT 249 7459 SOHO (Oates)
P/1999 X3 1999 12 12.564 17 22.9 -23 22 1E C 2G 18 SAT 249 8735 323P/SOHO (Su)
P/1999 XB69 1999 12 07.292 05 06.2 +22 55 177M C100C 2 0.1 18 USA 704 7370 x 239P/LINEAR
C/1999 XS87 1999 12 07.378 06 40.7 +21 14 155M C100C 2 0.3 16.5 USA 704 7344 x LINEAR
P/1999 XN1201999 12 05.190 03 28.8 +24 01 163E C 41D 3 0.2 17 USA 703 7370 x Catalina
C/1999 Y1 1999 12 20.223 03 47.8 +73 28 127E C100C 2 0.6 16 USA 704 7338 x LINEAR
C/1999 Y2 1999 12 28.279 18 28.3 -26 10 3E C 2G 18 5 SAT 249 7343 SOHO (Cernis)
C/1999 Y3 1999 12 21.496 18 04.0 -25 03 2E C 2G 18 SAT 249 7386 SOHO (Vourlidas)