Observation Sector 102

TESS Observation Sector 102 is comprised of observations made during orbits 215 and 216 of the TESS mission.  Observations extend from March 27 through April 21, 2026. Sector 102 is one of sixteen consecutive “rolled” sectors focusing on the southern ecliptic mid-latitude range. The regions of the sky observed are shown at right.

Pointing

The orientation of the spacecraft and camera boresights are given in the table below.
BoresightRADecRollEcliptic
Longitude		Ecliptic
Latitude
Spacecraft249.178-68.705-123.930259.3-46.0
Camera 1210.049-39.392-67.051222.2-25.4
Camera 2228.757-60.368-52.450244.6-40.5
Camera 3284.097-72.460179.132276.5-49.3
Camera 4340.572-60.801-128.147312.8-47.4
All coordinates are degrees (J2000)

Map of TESS camera fields-of-view in ecliptic coordinates.  Camera 1 is red, camera 2 is magenta, camera 3 is blue, camera 4 is green.  The field of camera 4 looks distorted because it is centered on the ecliptic pole. The thin black line is the ecliptic; the thick black line is the galactic plane.

Map of TESS camera fields-of-view in celestial coordinates.  Camera 1 is red, camera 2 is magenta, camera 3 is blue, camera 4 is green. The thin black line is the ecliptic; the thick black line is the galactic plane.

Targets for Sector 102

During Sector 102, 12,000 stars will be observed at two-minute cadence, up to 3,000 stars at 20-second cadence, and full-frame images will be collected every 200 seconds.
The list of targets observed at two-minute cadence are posted on the Target List page as soon as they have been determined. The target list includes the camera and CCD on which the target can be found, TIC ID, RA, declination, and TESS magnitude.

Earth and Moon Locations in the TESS Fields

Refer to Scattered Light page for an overview of these plots.
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