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Поисковые слова: п п п п п п п п п п п п п
Celestial calendar - Comets
Comet C/2006 P1 (McNaught)

Comet C/2006 P1 (McNaught)
above Santiago de Chile in the Andes
(Jan. 21, 2007).
Credit: Stephane Guisard

Celestial     calendar

COMETS

In 2009 the 39 periodical comets will return to perihelions.

Comet C/2004 Q2 (Machholz)

Comet C/2004 Q2 (Machholz)
Credit: Stefan Seip

Comets 8P/Tuttle
and 17P/Holmes (at right)

Comets 8P/Tuttle and 17P/Holmes (at right)
(Dec. 15, 2007).
Credit: Ledoux Philippe

 

Name

Perihelion
Time

Period
(years)

Number
of Appearance

Perihelion
Distance (AU)

Eccentricity

Inclination

Absolute
Magnitude

P/2002 CW134 (LINEAR)

Jan. 6

6.85

2

1.84

0.49

15.2°

+15.5m

P/2003 K2 (Christensen)

Jan. 9

5.71

2

0.53

0.83

10.2°

+13.0m

68P/Klemola

Jan. 21

10.83

5

1.76

0.64

11.1°

+7.7m

P/2002 JN16 (LINEAR)

Jan. 25

6.49

2

1.78

0.49

11.4°

+14.5m

144P/Kushida

Jan. 27

7.60

3

1.44

0.63

4.1°

+7.0m

P/2003 O3 (LINEAR)

Jan. 30

5.47

2

1.25

0.60

8.4°

+18.5m

47P/Ashbrook-Jackson

Feb. 1

8.34

8

2.80

0.32

13.0°

+3.0m

P/2001 X2 (Scotti)

Feb. 7

7.34

2

2.53

0.33

2.2°

+14.0m

14P/Wolf

Feb. 27

8.74

15

2.72

0.36

27.9°

+15.0m

67P/Churyumov-Gerasimenko

Feb. 28

6.45

7

1.25

0.64

7.0°

+10.0m

59P/Kearns-Kwee

Mar. 8

9.51

6

2.36

0.47

9.3°

+7.0m

P/2002 Q1 (Van Ness)

Mar. 21

6.71

2

1.55

0.56

36.3°

+14.5m

145P/Shoemaker-Levy

Mar. 27

8.39

3

1.89

0.54

11.3°

+10.5m

P/1994 J3 (Shoemaker)

Apr. 11

14.58

2

2.93

0.51

24.8°

+8.0m

P/2004 CB (LINEAR)

Apr. 16

5.03

2

0.91

0.69

19.1°

+17.9m

137P/Shoemaker-Levy

May 14

9.55

3

1.91

0.57

4.8°

+15.0m

22P/Kopff

May 25

6.44

17

1.58

0.54

4.7°

+5.3m

143P/Kowal-Mrkos

June 12

8.92

4

2.54

0.41

4.7°

+13.6m

64P/Swift-Gehrels

June 14

9.34

14

1.38

0.69

8.9°

+9.5m

P/2003 A1 (LINEAR)

June 16

7.50

2

1.92

0.50

44.3°

+6.0m

P/2003 H4 (LINEAR)

June 22

6.10

2

1.70

0.49

18.1°

+13.5m

77P/Longmore

July 8

6.83

6

2.31

0.36

24.4°

+6.5m

116P/Wild

July 19

6.49

4

2.17

0.37

3.6°

+3.0m

P/1999 XB69 (LINEAR)

July 26

9.47

2

1.65

0.63

11.3°

+15.5m

74P/Smirnova-Chernykh

July 30

8.53

5

3.56

0.15

6.6°

+2.0m

24P/Schaumasse

Aug. 10

8.29

13

1.21

0.70

11.7°

+12.0m

89P/Russell

Aug. 17

7.40

5

2.28

0.40

12.0°

+10.0m

P/2002 T1 (LINEAR)

Aug. 25

6.96

2

1.31

0.64

21.4°

+18.5m

P/2004 X1 (LINEAR)

Sept. 3

4.84

2

0.78

0.73

5.1°

+18.0m

P/2001 MD7 (LINEAR)

Sept. 9

7.83

2

1.22

0.69

12.9°

+10.5m

88P/Howell

Oct. 12

5.49

6

1.36

0.56

4.4°

+5.5m

127P/Holt-Olmstead

Oct. 21

6.39

4

2.20

0.36

14.3°

+13.0m

54P/de Vico-Swift-NEAT

Nov. 28

7.37

23

2.17

0.43

6.1°

+13.0m

169P/NEAT

Nov. 30

4.21

3

0.61

0.77

11.3°

+15.8m

100P/Hartley

Dec. 6

6.30

5

1.98

0.42

25.6°

+4.0m

P/2004 K2 (McNaught)

Dec. 15

5.50

2

1.55

0.50

8.1°

+14.0m

P/2005 JQ5 (Catalina)

Dec. 29

4.42

2

0.82

0.69

5.69°

+17.5m

 

 

Glossary

Astronomical Unit (AU):

middle distance between Earth and 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.

Ecliptic::

the mean plane of the Earth's orbit around the Sun.

Inclination::

the angle between an orbital plane and the ecliptic plane.

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.


Comet search projects:

LINEAR:

The Lincoln Near Earth Asteroid Research project.

LONEOS:

The Lowell Observatory Near-Earth Object Search.

NEAT:

The Near Earth Asteroids Team.

SOHO:

The Solar and Heliospheric Observatory.

 

Main Astronomical Observatory

Note: All time moments are given in Universal Time (UT) units.
For Kyiv Local_Time=UT+2h (and Local_Time=UT+3h for summer time).