Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/2/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 12/02/2025 19:19:16 -0.04, -89.51 0.18, -88.50 114.50 2
2 12/04/2025 07:42:27 0.10, -89.51 1.04, -93.77 484.90 80
3 12/05/2025 07:21:04 0.07, -89.50 0.00, -89.25 29.51 80
4 12/07/2025 19:27:00 -0.10, -89.49 -0.20, -90.03 60.83 80
5 12/08/2025 19:05:38 -0.06, -89.50 0.84, -85.51 454.67 80
6 12/10/2025 07:30:07 0.12, -89.51 0.38, -90.78 143.31 80
7 12/11/2025 07:08:45 0.09, -89.52 -0.67, -86.26 372.10 80
8 12/12/2025 19:33:22 -0.14, -89.51 -0.61, -91.55 232.10 80
9 12/13/2025 19:11:59 -0.11, -89.53 0.45, -87.03 284.32 80
10 12/15/2025 07:36:29 0.17, -89.56 0.77, -92.30 311.68 80
11 12/16/2025 07:15:06 0.14, -89.57 -0.28, -87.78 204.25 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/2/2025
SNOs_Map_GOES-17_NOAA-21_20251203.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 12/02/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21