Penumbral Lunar Eclipse of 2089 Sep 19

Fred Espenak

Introduction


The Penumbral Lunar Eclipse of 2089 Sep 19 is visible from the following geographic regions:

  • eastern Australia, eastern Americas, Europe, Africa, western Asia

The diagram to the right depicts the Moon's path with respect to Earth's umbral and penumbral shadows. Below it is a map showing the geographic regions of eclipse visibility. Click on the figure to enlarge it. For an explanation of the features appearing in the figure, see Key to Lunar Eclipse Figures.

The instant of greatest eclipse takes place on 2089 Sep 19 at 22:11:16 TD (22:09:19 UT1). This is 4.1 days after the Moon reaches apogee. During the eclipse, the Moon is in the constellation Pisces. The synodic month in which the eclipse takes place has a Brown Lunation Number of 2062.

The eclipse belongs to Saros 119 and is number 65 of 82 eclipses in the series. All eclipses in this series occur at the Moon’s descending node. The Moon moves northward with respect to the node with each succeeding eclipse in the series and gamma increases.

The penumbral lunar eclipse of 2089 Sep 19 is followed two weeks later by a total solar eclipse on 2089 Oct 04.

These eclipses all take place during a single eclipse season.

The eclipse predictions are given in both Terrestrial Dynamical Time (TD) and Universal Time (UT1). The parameter ΔT is used to convert between these two times (i.e., TD = UT1 + ΔT). ΔT has a value of 116.8 seconds for this eclipse.

The following links provide maps and data for the eclipse.

The tables below contain detailed predictions and additional information on the Penumbral Lunar Eclipse of 2089 Sep 19 .


Eclipse Data: Penumbral Lunar Eclipse of 2089 Sep 19

Eclipse Characteristics
Parameter Value
Penumbral Magnitude 0.78934
Umbral Magnitude-0.27368
Gamma 1.14475
Epsilon 1.0487°
Opposition Times
Event Calendar Date & Time Julian Date
Greatest Eclipse 2089 Sep 19 at 22:11:16.1 TD (22:09:19.4 UT1) 2484314.423141
Ecliptic Opposition 2089 Sep 19 at 21:58:08.1 TD (21:56:11.3 UT1) 2484314.414020
Equatorial Opposition 2089 Sep 19 at 22:54:05.3 TD (22:52:08.5 UT1) 2484314.452877
Geocentric Coordinates of Sun and Moon
2089 Sep 19 at 22:11:16.1 TD (22:09:19.4 UT1)
Coordinate Sun Moon
Right Ascension11h51m38.2s23h50m21.3s
Declination+00°54'20.2"+00°05'34.8"
Semi-Diameter 15'55.3" 14'58.7"
Eq. Hor. Parallax 08.8" 0°54'58.2"
Geocentric Libration of Moon
Angle Value
l -3.4°
b -1.4°
c -24.9°
Earth's Shadows
Parameter Value
Penumbral Radius 1.1931°
Umbral Radius 0.6624°
Prediction Paramaters
Paramater Value
Ephemerides JPL DE406
ΔT 116.8 s
Shadow Rule Danjon
Shadow Enlargement 1.010
Saros Series 119 (65/82)

Explanation of Lunar Eclipse Data Tables

Eclipse Contacts: Penumbral Lunar Eclipse of 2089 Sep 19

Lunar Eclipse Contacts
Eclipse Event Contact Time
TD
Time
UT1
Zenith Latitude Zenith Longitude Position Angle Axis Distance
Penumbral BeginsP120:05:10.620:03:13.800°14.6'S056°17.4'E 298.9° 1.4421°
Greatest EclipseGreatest22:11:16.122:09:19.400°05.6'N025°42.1'E 342.2° 1.0487°
Penumbral EndsP400:17:27.700:15:30.900°25.8'N004°54.6'W 25.6° 1.4435°
Eclipse Durations
Eclipse Phase Duration
Penumbral (P4 - P1)04h12m17.1s

Explanation of Lunar Eclipse Contacts Table

Polynomial Besselian Elements: Penumbral Lunar Eclipse of 2089 Sep 19

Polynomial Besselian Elements
2089 Sep 19 at 22:00:00.0 TD (=t0)
n x y d f1 f2 f3
0 -0.40473 0.97147 0.0159 1.19309 0.66235 0.24962
1 0.44883 0.14404 -0.0003 0.00027 0.00026 0.00007
2 0.00015 0.00001 -0.0000 0.00000 0.00000 0.00000
3 -0.00000 -0.00000 - - - -

At time t1 (decimal hours), each besselian element is evaluated by:

x = x0 + x1*t + x2*t2 + x3*t3 (or x = Σ [xn*tn]; n = 0 to 3)

where: t = t1 - t0 (decimal hours) and t0 = 22.000

Explanation of Besselian Elements

Links for the Penumbral Lunar Eclipse of 2089 Sep 19

Links to Additional Lunar Eclipse Information

Eclipse Predictions

Predictions for the Penumbral Lunar Eclipse of 2089 Sep 19 were generated using the JPL DE406 solar and lunar ephemerides. The lunar coordinates were calculated with respect to the Moon's Center of Mass. The predictions are given in both Terrestrial Dynamical Time (TD) and Universal Time (UT1). The parameter ΔT is used to convert between these two times (i.e., UT1 = TD - ΔT). ΔT has a value of 116.8 seconds for this eclipse.

Acknowledgments

Some of the content on this web site is based on the book Thousand Year Canon of Lunar Eclipses 1501 to 2500. All eclipse calculations are by Fred Espenak, and he assumes full responsibility for their accuracy.

Permission is granted to reproduce eclipse data when accompanied by a link to this page and an acknowledgment:

"Eclipse Predictions by Fred Espenak, www.EclipseWise.com"

The use of diagrams and maps is permitted provided that they are NOT altered (except for re-sizing) and the embedded credit line is NOT removed or covered.