Parabola doesn't fit.
C/1999 L2 (LINEAR)
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5
T 1999 Aug. 4.89037 TT Nakano
q 1.9047594 (2000.0) P Q
z +0.0025470 Peri. 178.71860 +0.05872256 +0.71951391
+/-0.0000786 Node 94.28963 -0.92196095 +0.30490339
e 0.9951486 Incl. 43.94240 -0.38280499 -0.62396607
From 88 observations 1999 June 11-July 21, mean residual 0".66.
Residuals in seconds of arc
1999/ 990612 108 1.5+ 0.4- 990620 104 0.7- 0.2+
990611 704 0.1- 0.4+ 990613 557 0.2- 0.1+ 990620 104 (0.4- 2.1+)
990611 704 0.1+ 0.4- 990613 557 0.2- 0.2- 990629 118 0.3+ 0.0
990611 704 0.0 1.7- 990613 557 1.3- 0.2+ 990629 118 0.5+ 0.6+
990611 704 1.0- 0.9- 990613 859 0.2- 0.3+ 990703 118 1.0+ 1.5+
990612 816 0.4- 0.2- 990613 859 0.2+ 0.6+ 990703 118 0.5+ 0.5-
990612 816 0.3- 0.0 990613 859 0.6+ 0.3- 990703 143 1.3+ 0.4+
990612 816 0.3- 0.5- 990613 784 0.3+ 0.8+ 990703 118 0.2- 0.7+
990612 704 0.4- 0.4- 990613 784 0.5+ 0.7+ 990703 143 (0.7- 3.3+)
990612 704 (4.5- 5.8+) 990613 784 0.3+ 0.7+ 990703 143 0.8+ 1.1-
990612 704 0.3- 0.4+ 990613 046 1.1- 0.5+ 990704 118 0.2+ 0.3+
990612 704 0.4+ 1.2+ 990613 046 0.0 0.8+ 990704 118 0.1- 0.3+
990612 704 0.7+ 0.4+ 990613 046 0.0 0.2+ 990705 118 0.6- 0.1-
990612 704 0.4- 0.1- 990613 046 0.0 0.0 990705 118 0.7- 0.7-
990612 704 1.0+ 1.7- 990614 704 1.0- 0.4+ 990705 108 1.4+ 0.6-
990612 704 0.3+ 1.0- 990614 704 0.2+ 1.6- 990706 844 1.7- 0.3+
990612 699 (0.1+ 2.6+) 990614 704 0.4- 1.2- 990706 844 0.8+ 1.6+
990612 699 0.5- 1.0+ 990614 704 (5.0- 1.5-) 990706 844 0.0 0.6-
990612 699 (0.3+ 2.3+) 990614 691 0.1- 0.9- 990707 402 0.5- 0.8-
990612 133 0.3- 0.3+ 990614 691 0.2- 1.0- 990707 402 0.4- 0.9-
990612 133 0.4- 0.2+ 990614 691 0.2+ 1.0- 990707 402 0.7- 0.9-
990612 133 0.0 0.1+ 990614 402 0.2+ 0.7+ 990708 360 0.5- 0.1+
990612 120 1.0- 0.6- 990614 402 0.2+ 0.2+ 990708 360 0.3- 0.1-
990612 133 (3.4- 0.4-) 990614 402 0.1+ 0.6- 990708 360 0.5- 0.2+
990612 120 0.1+ 0.2- 990614 897 1.1+ 0.1+ 990715 360 0.8- 0.4+
990612 120 0.4- 0.2+ 990614 867 0.4+ 0.4+ 990715 360 0.7- 0.1+
990612 046 0.3+ 0.7+ 990614 897 0.3- 0.9- 990719 118 0.4- 0.7-
990612 046 0.2+ 1.0+ 990614 867 0.2+ 0.1+ 990719 118 1.6+ 0.3-
990612 046 0.2+ 1.1+ 990614 867 0.1+ 0.3+ 990721 699 0.2+ 0.3+
990612 046 0.1- 0.5+ 990614 897 0.9- 0.0 990721 699 0.6+ 0.3+
990612 046 0.9+ 0.3+ 990614 897 1.5+ 0.6+ 990721 699 0.5- 0.5+
990612 108 (0.6- 2.8+) 990620 104 0.1+ 0.6-
990612 108 0.4+ 0.6+ 990620 104 0.1- 0.0
C/1999 L2 (LINEAR)
T 1999 Aug. 4.92423 TT Nakano
q 1.9064353 (2000.0) P Q
Peri. 178.74135 +0.05828353 +0.71862527
Node 94.24691 -0.92188667 +0.30508409
e 1.0 Incl. 44.01596 -0.38305091 -0.62490112
From 63 observations 1999 June 11-20.
◎C/1999 L2の軌道と予報位置です
ダイニックの杉江淳氏と千代田の小島卓雄氏は，この彗星の観測に
成功しました．
C/1999 L2
T 1999 Aug. 5.65454 TT Nakano
q 1.8944988 (2000.0) P Q
Peri. 179.31702 +0.06731085 +0.72038009
Node 94.35253 -0.91865249 +0.31469991
e 1.0 Incl. 43.81262 -0.38929019 -0.61807482
From 47 observations 1999 June 11-14.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
1999 June 15 12 16 30.11 +13 13.5 1.109 1.999 37.0 / 207 16.2 127 .04
16 12 16 28.96 +12 40.5 1.105 1.995 37.6 / 206 16.2 116 .10
17 12 16 27.82 +12 06.9 1.102 1.991 38.1 / 206 16.2 104 .18
18 12 16 26.69 +11 32.5 1.098 1.987 38.6 / 205 16.2 91 .27
19 12 16 25.58 +10 57.6 1.095 1.983 39.1 / 204 16.2 80 .37
20 12 16 24.49 +10 22.0 1.093 1.980 39.5 / 204 16.2 68 .47
21 12 16 23.41 +09 45.7 1.090 1.976 40.0 / 203 16.1 57 .57
22 12 16 22.36 +09 09.0 1.088 1.973 40.4 / 202 16.1 47 .67
23 12 16 21.32 +08 31.6 1.087 1.969 40.7 / 202 16.1 37 .75
24 12 16 20.30 +07 53.8 1.085 1.966 41.1 / 201 16.1 29 .83
25 12 16 19.31 +07 15.4 1.084 1.963 41.4 / 200 16.1 24 .90
26 12 16 18.35 +06 36.6 1.083 1.959 41.7 / 200 16.1 24 .95
27 12 16 17.41 +05 57.3 1.082 1.956 41.9 / 199 16.1 29 .98
28 12 16 16.49 +05 17.7 1.082 1.953 42.2 / 198 16.1 37 1.00
29 12 16 15.60 +04 37.6 1.082 1.950 42.4 / 198 16.1 47 1.00
30 12 16 14.75 +03 57.2 1.083 1.947 42.5 / 197 16.1 58 .98
July 1 12 16 13.92 +03 16.5 1.083 1.945 42.7 / 196 16.1 70 .94
2 12 16 13.12 +02 35.6 1.084 1.942 42.8 / 196 16.1 82 .88
3 12 16 12.35 +01 54.3 1.085 1.939 42.9 / 195 16.1 94 .80
4 12 16 11.62 +01 12.9 1.087 1.937 42.9 / 194 16.1 106 .71
5 12 16 10.92 +00 31.2 1.089 1.934 43.0 / 193 16.0 119 .61
6 12 16 10.25 -00 10.5 1.091 1.932 43.0 / 193 16.0 132 .50
7 12 16 09.61 -00 52.5 1.093 1.929 43.0 / 192 16.0 145 .39
8 12 16 09.01 -01 34.5 1.096 1.927 42.9 / 191 16.0 158 .28
9 12 16 08.45 -02 16.5 1.099 1.925 42.8 / 191 16.0 166 .18
10 12 16 07.93 -02 58.6 1.102 1.922 42.7 / 190 16.0 163 .10
11 12 16 07.44 -03 40.7 1.105 1.920 42.6 / 189 16.1 151 .04
12 12 16 06.99 -04 22.8 1.109 1.918 42.5 / 188 16.1 138 .01
13 12 16 06.57 -05 04.8 1.113 1.916 42.3 / 188 16.1 124 .00
14 12 16 06.20 -05 46.8 1.118 1.915 42.1 / 187 16.1 110 .03
15 12 16 05.86 -06 28.6 1.122 1.913 41.9 / 186 16.1 96 .08
16 12 16 05.57 -07 10.4 1.127 1.911 41.7 / 185 16.1 82 .14
17 12 16 05.31 -07 51.9 1.132 1.910 41.5 / 184 16.1 69 .23
18 12 16 05.09 -08 33.3 1.138 1.908 41.3 / 184 16.1 57 .32
19 12 16 04.91 -09 14.5 1.144 1.907 41.0 / 183 16.1 45 .41
20 12 16 04.78 -09 55.4 1.150 1.905 40.8 / 182 16.1 33 .51
21 12 16 04.68 -10 36.2 1.156 1.904 40.5 / 181 16.1 21 .61
22 12 16 04.62 -11 16.6 1.162 1.903 40.2 / 180 16.1 10 .70
23 12 16 04.61 -11 56.8 1.169 1.902 39.9 / 180 16.1 5 .78
24 12 16 04.63 -12 36.7 1.176 1.901 39.6 / 179 16.1 15 .85
25 12 16 04.69 -13 16.3 1.183 1.900 39.3 / 178 16.2 27 .92
26 12 16 04.79 -13 55.6 1.190 1.899 39.0 / 177 16.2 39 .96
27 12 16 04.94 -14 34.6 1.198 1.898 38.7 / 176 16.2 51 .99
28 12 16 05.12 -15 13.2 1.205 1.897 38.4 / 175 16.2 63 1.00
29 12 16 05.34 -15 51.4 1.213 1.897 38.1 / 174 16.2 76 .99
30 12 16 05.60 -16 29.3 1.222 1.896 37.8 / 173 16.2 88 .96
31 12 16 05.90 -17 06.8 1.230 1.896 37.4 / 173 16.2 101 .90
Aug. 1 12 16 06.25 -17 43.9 1.239 1.895 37.1 / 172 16.2 114 .83
NAKANO
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write mail from CFAD0::NAKANO on 1999-06-15 01:33:36(JST).
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