June 2031 lunar eclipse
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A penumbral lunar eclipse will occur at the Moon’s ascending node of orbit on Thursday, June 5, 2031, with an umbral magnitude of −0.8185. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring only about 20.5 hours before perigee (on June 6, 2031, at 8:10 UTC), the Moon's apparent diameter will be larger.
Visibility
The eclipse will be completely visible over the Pacific Ocean, Australia, and Antarctica, seen rising over east Asia and setting over western North and South America.
Eclipse details
Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.
| Parameter | Value |
|---|---|
| Penumbral Magnitude | 0.13062 |
| Umbral Magnitude | −0.81845 |
| Gamma | 1.47322 |
| Sun Right Ascension | 04h53m21.6s |
| Sun Declination | +22°33'01.5" |
| Sun Semi-Diameter | 15'45.9" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 16h53m29.4s |
| Moon Declination | -21°03'14.0" |
| Moon Semi-Diameter | 16'36.6" |
| Moon Equatorial Horizontal Parallax | 1°00'57.7" |
| ΔT | 74.6 s |
Eclipse season
This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight. The first and last eclipse in this sequence is separated by one synodic month.
| May 7 Ascending node (full moon) | May 21 Descending node (new moon) | June 5 Ascending node (full moon) |
|---|---|---|
| Penumbral lunar eclipse Lunar Saros 112 | Annular solar eclipse Solar Saros 138 | Penumbral lunar eclipse Lunar Saros 150 |
Related eclipses
Eclipses in 2031
- A penumbral lunar eclipse on May 7.
- An annular solar eclipse on May 21.
- A penumbral lunar eclipse on June 5.
- A penumbral lunar eclipse on October 30.
- A hybrid solar eclipse on November 14.
Metonic
- Preceded by: Lunar eclipse of August 17, 2027
Tzolkinex
- Followed by: Lunar eclipse of July 16, 2038
Tritos
- Preceded by: Lunar eclipse of July 5, 2020
Lunar Saros 150
- Preceded by: Lunar eclipse of May 25, 2013
- Followed by: Lunar eclipse of June 15, 2049
Inex
- Preceded by: Lunar eclipse of June 24, 2002
Triad
- Preceded by: Lunar eclipse of August 4, 1944
Lunar eclipses of 2027–2031
This eclipse is a member of a semester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.
The penumbral lunar eclipses on February 20, 2027 and August 17, 2027 occur in the previous lunar year eclipse set, and the penumbral lunar eclipses on May 7, 2031 and October 30, 2031 occur in the next lunar year eclipse set.
| Lunar eclipse series sets from 2027 to 2031 | |||||||
|---|---|---|---|---|---|---|---|
| Ascending node | Descending node | ||||||
| Saros | Date Viewing | Type Chart | Gamma | Saros | Date Viewing | Type Chart | Gamma |
| 110 | 2027 Jul 18 | Penumbral | −1.5759 | 115 | 2028 Jan 12 | Partial | 0.9818 |
| 120 | 2028 Jul 06 | Partial | −0.7904 | 125 | 2028 Dec 31 | Total | 0.3258 |
| 130 | 2029 Jun 26 | Total | 0.0124 | 135 | 2029 Dec 20 | Total | −0.3811 |
| 140 | 2030 Jun 15 | Partial | 0.7535 | 145 | 2030 Dec 09 | Penumbral | −1.0732 |
| 150 | 2031 Jun 05 | Penumbral | 1.4732 |
Saros 150
This eclipse is a part of Saros series 150, repeating every 18 years, 11 days, and containing 71 events. The series started with a penumbral lunar eclipse on May 25, 2013. It contains partial eclipses from August 20, 2157 through April 19, 2554; total eclipses from April 29, 2572 through August 28, 2770; and a second set of partial eclipses from September 7, 2788 through February 8, 3041. The series ends at member 71 as a penumbral eclipse on June 30, 3275.
The longest duration of totality will be produced by member 36 at 105 minutes, 16 seconds on July 4, 2680. All eclipses in this series occur at the Moon’s ascending node of orbit.
| Greatest | First | |||
|---|---|---|---|---|
| The greatest eclipse of the series will occur on 2680 Jul 04, lasting 105 minutes, 16 seconds. | Penumbral | Partial | Total | Central |
| 2013 May 25 | 2157 Aug 20 | 2572 Apr 29 | 2626 Jun 02 | |
| Last | ||||
| Central | Total | Partial | Penumbral | |
| 2734 Aug 07 | 2770 Aug 28 | 3041 Feb 08 | 3275 Jun 30 |
Eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.
| Series members 1–11 occur between 2013 and 2200: | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | |||
| 2013 May 25 | 2031 Jun 05 | 2049 Jun 15 | |||
| 4 | 5 | 6 | |||
| 2067 Jun 27 | 2085 Jul 07 | 2103 Jul 19 | |||
| 7 | 8 | 9 | |||
| 2121 Jul 30 | 2139 Aug 10 | 2157 Aug 20 | |||
| 10 | 11 | ||||
| 2175 Aug 31 | 2193 Sep 11 | ||||
Tritos series
This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.
| Series members between 1801 and 2096 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1802 Mar 19 (Saros 129) | 1813 Feb 15 (Saros 130) | 1824 Jan 16 (Saros 131) | 1834 Dec 16 (Saros 132) | 1845 Nov 14 (Saros 133) | |||||
| 1856 Oct 13 (Saros 134) | 1867 Sep 14 (Saros 135) | 1878 Aug 13 (Saros 136) | 1889 Jul 12 (Saros 137) | 1900 Jun 13 (Saros 138) | |||||
| 1911 May 13 (Saros 139) | 1922 Apr 11 (Saros 140) | 1933 Mar 12 (Saros 141) | 1944 Feb 09 (Saros 142) | 1955 Jan 08 (Saros 143) | |||||
| 1965 Dec 08 (Saros 144) | 1976 Nov 06 (Saros 145) | 1987 Oct 07 (Saros 146) | 1998 Sep 06 (Saros 147) | 2009 Aug 06 (Saros 148) | |||||
| 2020 Jul 05 (Saros 149) | 2031 Jun 05 (Saros 150) | ||||||||
| 2096 Nov 29 (Saros 156) | |||||||||
Inex series
This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.
| Series members between 1801 and 2031 | |||||
|---|---|---|---|---|---|
| 1828 Oct 23 (Saros 143) | 1857 Oct 03 (Saros 144) | 1886 Sep 13 (Saros 145) | |||
| 1915 Aug 24 (Saros 146) | 1944 Aug 04 (Saros 147) | 1973 Jul 15 (Saros 148) | |||
| 2002 Jun 24 (Saros 149) | 2031 Jun 05 (Saros 150) | ||||
See also
Notes
External links
- Eclipse Predictions by Fred Espenak, NASA/GSFC