Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/19/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon LANDSAT-8 Lat,Lon Distance(km) Time Diff (sec)
1 09/20/2025 16:02:19 0.20, -89.53 -0.19, -87.82 195.02 80
2 09/21/2025 04:26:23 -0.21, -89.47 -0.94, -93.00 401.22 80
3 09/23/2025 04:14:12 -0.21, -89.48 -0.33, -90.04 63.92 80
4 09/25/2025 03:59:21 -0.21, -89.50 0.29, -87.09 273.69 80
5 09/25/2025 16:23:17 0.22, -89.56 0.79, -92.25 305.42 80
6 09/27/2025 16:08:26 0.23, -89.57 0.16, -89.29 32.38 80
7 09/29/2025 15:56:15 0.23, -89.59 -0.48, -86.33 370.38 80
8 09/30/2025 04:20:19 -0.24, -89.53 -0.64, -91.52 225.59 80
9 10/02/2025 04:05:27 -0.25, -89.55 -0.04, -88.56 112.78 80
10 10/02/2025 16:29:23 0.26, -89.61 1.11, -93.72 466.31 80

Figure of GOES-17 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/19/2025
SNOs_Map_GOES-17_LANDSAT-8_20250920.jpg

Download SNOs between GOES-17 and LANDSAT-8 since TLE EPOCH: 09/19/2025 in txt file.

Historical Predications of SNOs between GOES-17 and LANDSAT-8