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Дата изменения: Tue Jan 21 18:03:17 2014 Дата индексирования: Fri Feb 28 01:57:20 2014 Кодировка: Поисковые слова: dark nebula |
COMETS In 2005 the 23 periodical comets will return to perihelions. |
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Name |
Perihelion |
Period |
Number |
Perihelion |
Eccentricity |
Magnitude |
---|---|---|---|---|---|---|
P/2004 F3 (NEAT) |
Jan. 4 |
8.05 |
1 |
2.86 |
0.29 |
15.4m |
56P/Slaughter-Burnham |
Jan. 15 |
11.55 |
4 |
2.54 |
0.50 |
16.5m |
10P/Tempel 2 |
Feb. 15 |
5.38 |
20 |
1.43 |
0.54 |
13.3m |
49P/Arend-Rigaux |
Feb. 25 |
6.61 |
8 |
1.37 |
0.61 |
13.3m |
141P/Machholz 2 |
Mar. 3 |
5.23 |
2 |
0.75 |
0.75 |
9.2m |
32P/Comas Sola |
Apr. 1 |
8.78 |
9 |
1.83 |
0.57 |
16.2m |
C/2003 T4 (LINEAR) |
Apr. 4 |
- |
1 |
0.85 |
1.00 |
6.2m |
P/1998 X1 (ODAS) |
May 3 |
6.78 |
1 |
1.98 |
0.45 |
18.2m |
119P/Parker-Hartley |
May 24 |
8.89 |
2 |
3.04 |
0.29 |
15.7m |
129P/Shoemaker-Levy 3 |
June 5 |
7.23 |
2 |
2.81 |
0.25 |
16.2m |
72P/Denning-Fujikawa |
June 20 |
9.08 |
4 |
0.80 |
0.82 |
9.7m |
P/1983 VI (Hartley-IRAS) |
June 26 |
21.51 |
1 |
1.27 |
0.83 |
10.4m |
91P/Russell 3 |
June 27 |
7.67 |
3 |
2.60 |
0.33 |
<13m |
21P/Giacobini-Zinner |
July 3 |
6.62 |
13 |
1.04 |
0.71 |
10.1m |
9P/Tempel 1 |
July 5 |
5.52 |
10 |
1.51 |
0.52 |
9.3m |
107P/Wilson-Harrington |
July 11 |
4.29 |
7 |
1.00 |
0.62 |
<13m |
138P/Shoemaker-Levy 7 |
July 20 |
6.91 |
2 |
1.71 |
0.53 |
19.2m |
37P/Forbes |
Aug. 2 |
6.35 |
9 |
1.57 |
0.54 |
12.1m |
P/1998 W1 (Spahr) |
Sept. 3 |
6.62 |
1 |
1.73 |
0.51 |
17.5m |
l05P/Singer Brewster |
Sept. 11 |
6.45 |
3 |
2.04 |
0.41 |
17.7m |
P/1998 W2 (Hergenrother) |
Nov. 2 |
6.92 |
1 |
1.43 |
0.61 |
16.2m |
117P/Helin-Roman-Alu 1 |
Dec. 20 |
8.24 |
2 |
3.04 |
0.26 |
14.8m |
60P/Tsuchinshan 2 |
Dec. 24 |
6.78 |
6 |
1.77 |
0.51 |
15.5m |
101P/Chernykh |
Dec. 25 |
13.92 |
2 |
2.35 |
0.59 |
14.1m |
Glossary Astronomical Unit (AU): middle distance from Earth to Sun, equal 149.6 millions km. Eccentricity: a parameter that specifies the shape of a conic section; one of the standard elements used to describe an elliptic orbit. Perihelion:: the point at which a body in orbit around the Sun most closely approaches the Sun. Period: the interval of time required to complete one revolution in an orbit or one cycle of a periodic phenomenon, such as a cycle of phases. |
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Note: All the times in this page
are expressed in universal time (UT). |