Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/30/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/30/2025 21:20:13 -0.29, 61.58 -0.24, 61.47 14.32 80
2 10/31/2025 20:58:52 -0.34, 61.60 -1.30, 65.98 498.21 80
3 11/02/2025 09:23:30 0.26, 61.63 0.02, 60.69 108.13 80
4 11/03/2025 09:02:09 0.30, 61.64 1.08, 65.20 405.15 80
5 11/04/2025 21:26:39 -0.22, 61.66 0.16, 59.93 196.13 80
6 11/05/2025 21:05:18 -0.26, 61.68 -0.90, 64.45 315.49 80
7 11/07/2025 09:29:55 0.17, 61.74 -0.43, 59.16 293.79 80
8 11/08/2025 09:08:33 0.22, 61.76 0.64, 63.68 218.45 80
9 11/09/2025 21:33:04 -0.13, 61.77 0.59, 58.41 382.29 80
10 11/10/2025 21:11:41 -0.19, 61.80 -0.42, 62.93 128.70 80
11 11/12/2025 09:36:20 0.09, 61.87 -0.84, 57.64 482.51 80
12 11/13/2025 09:14:58 0.15, 61.89 0.24, 62.15 29.83 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/30/2025
SNOs_Map_GOES-15_NOAA-20_20251031.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/30/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20