| Penumbral eclipse | |||||||||
|  | |||||||||
| Date | 20 December 2048 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Gamma | −1.0624 | ||||||||
| Magnitude | 0.9617[1] | ||||||||
| Saros cycle | 145 (13 of 71[2]) | ||||||||
| Penumbral | 281 minutes 36 seconds | ||||||||
| 
 | |||||||||
A penumbral lunar eclipse will take place on December 20, 2048.
Visibility

Related lunar eclipses
Lunar year series
| Descending node | Ascending node | |||||
|---|---|---|---|---|---|---|
| Saros | Date Viewing | Type Chart | Saros | Date Viewing | Type Chart | |
| 115 | 2046 Jan 22  | Partial  | 120 | 2046 Jul 18  | Partial  | |
| 125 | 2047 Jan 12  | Total  | 130 | 2047 Jul 07  | Total  | |
| 135 | 2048 Jan 01  | Total  | 140 | 2048 Jun 26  | Partial  | |
| 145 | 2048 Dec 20  | Penumbral  | 150 | 2049 Jun 15  | Penumbral  | |
| Last set | 2045 Aug 27 | Last set | 2045 Mar 03 | |||
| Next set | 2049 Nov 09 | Next set | 2049 May 17 | |||
Metonic series (19 years)
The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the earth's shadow will be in nearly the same location relative to the background stars.
| Ascending node | Descending node | 
|---|---|
| 
 | 
 | 
|  |  | 
Related lunar eclipses
Lunar year series
| Lunar eclipse series sets from 2027–2031 | ||||||
|---|---|---|---|---|---|---|
| Descending node | Ascending node | |||||
| Saros | Date Viewing | Type Chart | Saros | Date Viewing | Type Chart | |
| 110 | 2027 Jul 18  | Penumbral  | 115 | 2028 Jan 12  | Partial  | |
| 120 | 2028 Jul 06  | Partial  | 125 | 2028 Dec 31  | Total  | |
| 130 | 2029 Jun 26  | Total  | 135 | 2029 Dec 20  | Total  | |
| 140 | 2030 Jun 15  | Partial  | 145 | 2030 Dec 09  | Penumbral  | |
| 150 | 2031 Jun 05  | Penumbral  | ||||
| Last set | 2027 Aug 17 | Last set | 2027 Feb 20 | |||
| Next set | 2031 May 07 | Next set | 2031 Oct 30 | |||
Half-Saros cycle
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[3] This lunar eclipse is related to two total solar eclipses of Solar Saros 152.
| December 15, 2039 | December 26, 2057 | 
|---|---|
|  |  | 
See also
Notes
- ↑ For a partial or total lunar eclipse, this value denotes the umbral magnitude. For a penumbral lunar eclipse, this denotes the penumbral magnitude.
- ↑ Lunar Saros 145 - Fred Espenak's GSFC Eclipse Canon
- ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
- 2048 Dec 20 chart: Eclipse Predictions by Fred Espenak, NASA/GSFC
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