Solar Eclipse Prime Page

Hybrid Solar Eclipse of 1986 Oct 03

Fred Espenak

Introduction


The Hybrid Solar Eclipse of 1986 Oct 03 is visible from the following geographic regions:

  • Partial Eclipse: North & Central America, north South America
  • Hybrid Eclipse: north Atlantic

The map to the right depicts the geographic regions of eclipse visibility. Click on the map to enlarge it. For an explanation of the features appearing in the map, see Key to Solar Eclipse Maps.

The instant of greatest eclipse takes place on 1986 Oct 03 at 19:06:15 TD (19:05:20 UT1). This is 3.6 days before the Moon reaches perigee. During the eclipse, the Sun is in the constellation Virgo. The synodic month in which the eclipse takes place has a Brown Lunation Number of 789.

The eclipse belongs to Saros 124 and is number 53 of 73 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 solar eclipse of 1986 Oct 03 is one of the rare hybrid solar eclipses. In this particular case the eclipse path starts out as annular. Further down the track it changes to total and then back to annular before the path ends. It is a very short hybrid eclipse with a duration at greatest eclipse of 00m00s. The eclipse magnitude is 1.0000, while Gamma has a value of 0.9931.

The hybrid solar eclipse of 1986 Oct 03 is followed two weeks later by a total lunar eclipse on 1986 Oct 17.

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., UT1 = TD - ΔT). ΔT has a value of 55.2 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 Hybrid Solar Eclipse of 1986 Oct 03 .


Eclipse Data: Hybrid Solar Eclipse of 1986 Oct 03

Eclipse Characteristics
Parameter Value
Eclipse Magnitude 1.00002
Eclipse Obscuration 1.00004
Gamma 0.99305
Conjunction Times
Event Calendar Date & Time Julian Date
Greatest Eclipse 1986 Oct 03 at 19:06:15.0 TD (19:05:19.8 UT1) 2446707.295368
Ecliptic Conjunction 1986 Oct 03 at 18:55:40.6 TD (18:54:45.4 UT1) 2446707.288026
Equatorial Conjunction 1986 Oct 03 at 18:07:22.2 TD (18:06:27.0 UT1) 2446707.254479
Geocentric Coordinates of Sun and Moon
1986 Oct 03 at 19:06:15.0 TD (19:05:19.8 UT1)
Coordinate Sun Moon
Right Ascension12h37m45.8s12h39m37.6s
Declination-04°04'06.7"-03°13'11.3"
Semi-Diameter 15'59.2" 15'58.2"
Eq. Hor. Parallax 08.8" 0°58'36.8"
Geocentric Libration of Moon
Angle Value
l -4.4°
b -1.3°
c 21.6°
Prediction Paramaters
Paramater Value
Ephemerides JPL DE406
ΔT 55.2 s
k (penumbra) 0.2725076
k (umbra) 0.2722810
Saros Series 124 (53/73)

Explanation of Solar Eclipse Data Tables

Penumbral Shadow Contacts and Extremes: Hybrid Solar Eclipse of 1986 Oct 03

Contacts of Penumbral Shadow with Earth
Contact Event Contact Time
TD
Time
UT1
Latitude Longitude
First External ContactP116:58:20.816:57:25.668°31.1'N156°45.8'W
Last External ContactP421:14:27.621:13:32.411°16.4'N051°57.7'W
Extreme Northern and Southern Path Limits of Penumbra
Contact Event Contact Time
TD
Time
UT1
Latitude Longitude
North Extreme Path Limit 1N117:31:24.817:30:29.655°16.9'N169°30.2'W
South Extreme Path Limit 1S120:41:20.220:40:25.002°11.7'S042°41.6'W

Explanation of Penumbral Shadow Contacts and Extremes Tables

Umbral Shadow Contacts and Extremes: Hybrid Solar Eclipse of 1986 Oct 03

Contacts of Umbral Shadow with Earth
Contact Event Contact Time
TD
Time
UT1
Latitude Longitude
First External ContactU118:55:55.118:54:59.966°34.1'N025°56.5'W
First Internal ContactU218:56:57.618:56:02.466°01.7'N025°57.7'W
Last Internal ContactU319:16:11.319:15:16.155°56.9'N027°36.9'W
Last External ContactU419:17:08.519:16:13.355°27.0'N027°44.5'W
Extreme Northern and Southern Path Limits of Umbra
Contact Event Contact Time
TD
Time
UT1
Latitude Longitude
North Extreme Path Limit 1N118:56:57.518:56:02.366°01.6'N025°57.7'W
South Extreme Path Limit 1S118:55:55.318:55:00.166°34.2'N025°56.6'W
North Extreme Path Limit 2N219:16:11.419:15:16.255°57.0'N027°36.9'W
South Extreme Path Limit 2S219:17:08.419:16:13.255°26.9'N027°44.4'W

Explanation of Umbral Shadow Contacts and Extremes Tables

Central Line Extremes and Duration: Hybrid Solar Eclipse of 1986 Oct 03

Extreme Limits of the Central Line
Contact Event Contact Time
TD
Time
UT1
Latitude Longitude
Extreme Central Line Limit 1C118:56:25.618:55:30.466°18.3'N025°57.0'W
Extreme Central Line Limit 2C219:16:40.619:15:45.555°41.6'N027°40.7'W

Explanation of Central Line Extremes Table

Greatest Eclipse and Greatest Duration
Event Time
TD
Time
UT1
Latitude Longitude Sun
Altitude
Sun
Azimuth
Path Width Central
Duration
Greatest Eclipse19:06:15.019:05:19.859°57.0'N037°22.1'W 5.4° 252.3° 0.8 km00m00.08s
Greatest Duration18:56:25.618:55:30.466°18.3'N025°57.0'W 0.0° 259.8° 60.5 km00m06.00s

Explanation of Greatest Eclipse and Greatest Duration

Polynomial Besselian Elements: Hybrid Solar Eclipse of 1986 Oct 03

Polynomial Besselian Elements
1986 Oct 03 at 19:00:00.0 TD (=t0)
n x y d l1 l2 μ
0 0.42664 0.89859 -4.0690 0.54660 0.00044 107.7484
1 0.48639 -0.26658 -0.0155 -0.00011 -0.00011 15.0044
2 0.00001 -0.00003 0.0000 -0.00001 -0.00001 -0.0000
3 -0.00001 0.00000 - - - -
Tan ƒ1 0.0046735
Tan ƒ2 0.0046502

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 = 19.000

Explanation of Polynomial Besselian Elements

Links for the Hybrid Solar Eclipse of 1986 Oct 03

Links to Additional Solar Eclipse Information

Eclipse Predictions

Predictions for the Hybrid Solar Eclipse of 1986 Oct 03 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 55.2 seconds for this eclipse.

Acknowledgments

Some of the content on this website is based on the book Thousand Year Canon of Solar 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.