| 释义 |
- List of tetrad events 1949–2000 2001–51
- See also
- References
In astronomy, a tetrad is a set of four total lunar eclipses within two years.[1] List of tetrad events1949–2000| Saros | Date
Viewing | Type
Chart | Saros | Date
Viewing | Type
Chart |
|---|
| 1949–50 |
|---|
| Descending node | | Ascending node |
|---|
| 121 | 1949 Apr 13
| Total
| 126 | 1949 Oct 07
| Total
|
|---|
| 131 | 1950 Apr 02
| Total
| 136 | 1950 Sep 26
| Total
|
|---|
| 1967–68 |
|---|
| Descending node | | Ascending node |
|---|
| 121 | 1967 Apr 24
| Total
| 126 | 1967 Oct 18
| Total
|
|---|
| 131 | 1968 Apr 13
| Total
| 136 | 1968 Oct 6
| Total
|
|---|
| 1985–86 |
|---|
| Descending node | | Ascending node |
|---|
| 121 | 1985 May 04
| Total
| 126 | 1985 Oct 28
| Total
|
|---|
| 131 | 1986 Apr 24
| Total
| 136 | 1986 Oct 17
| Total
|
|---|
2001–51| Saros | Date
Viewing | Type
Chart | Saros | Date
Viewing | Type
Chart |
|---|
| 2003–04 |
|---|
| Descending node | | Ascending node |
|---|
121
| 2003 May 16
| total
| 126
| 2003 Nov 09
| total
|
|---|
131
| 2004 May 04
| total
| 136
| 2004 Oct 28
| total
|
|---|
| 2014–15 |
|---|
| Ascending node | | Descending node |
|---|
122
| 2014 Apr 15
| Total
| 127
| 2014 Oct 08
| Total
|
|---|
132
| 2015 Apr 04
| Total
| 137
| 2015 Sep 28
| Total
|
|---|
| 2032–33 |
|---|
| Ascending node | | Descending node |
|---|
| 122 | 2032 Apr 25
| Total
| 127 | 2032 Oct 18
| Total
|
|---|
| 132 | 2033 Apr 14
| Total
| 137 | 2033 Oct 08
| Total
|
|---|
| 2043–44 |
|---|
| Descending node | | Ascending node |
|---|
| 123 | 2043 Mar 25
| Total
| 128 | 2043 Sep 19
| Total
|
|---|
| 133 | 2044 Mar 13
| Total
| 138 | 2044 Sep 07
| Total
|
|---|
| 2050–51 |
|---|
| Ascending node | | Descending node |
|---|
| 122 | 2050 May 06
| Total
| 127 | 2050 Oct 30
| Total
|
|---|
| 132 | 2051 Apr 26
| Total
| 137 | 2051 Oct 19
| Total
|
|---|
See also - Total penumbral lunar eclipse#Summary frequency of total penumbral, total umbral and tetrad events 501–2500 for statistics by century
References 1. ^ Total Penumbral lunar eclipses, Jean Meeus, 1980
{{Lunar eclipses}} 1 : Lunar eclipses |