Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/30/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 01/31/2025 10:18:28 0.02,-137.00 -0.72,-133.70 376.45 80
2 02/01/2025 22:43:06 -0.03,-137.00 -0.45,-139.01 228.46 80
3 02/02/2025 22:21:42 -0.03,-137.00 0.51,-134.47 286.89 80
4 02/04/2025 10:46:11 0.03,-136.98 0.67,-139.75 316.55 80
5 02/05/2025 10:24:47 0.03,-136.97 -0.36,-135.23 198.30 80
6 02/06/2025 22:46:45 -0.04,-136.96 -0.85,-140.54 407.94 80
7 02/07/2025 22:28:01 -0.04,-136.95 0.19,-136.02 106.56 80
8 02/09/2025 10:52:30 0.05,-136.92 1.02,-141.29 497.84 80
9 02/10/2025 10:31:05 0.05,-136.90 0.03,-136.75 16.52 80
10 02/12/2025 22:36:58 -0.05,-136.87 -0.21,-137.53 76.05 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 1/30/2025
SNOs_Map_GOES-18_NOAA-21_20250131.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 01/30/2025 in txt file.

Historical Predications of SNOs between GOES-18 and NOAA-21