Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/19/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/20/2025 21:03:19 -0.09, 61.67 -1.07, 65.96 489.40 80
2 11/22/2025 09:27:57 -0.01, 61.68 -0.21, 60.68 113.93 80
3 11/23/2025 09:06:35 0.05, 61.66 0.84, 65.19 402.17 80
4 11/24/2025 21:31:06 0.05, 61.61 0.41, 59.93 191.43 80
5 11/25/2025 21:09:44 -0.01, 61.61 -0.65, 64.45 323.42 80
6 11/27/2025 09:34:23 -0.09, 61.64 -0.63, 59.16 282.05 80
7 11/28/2025 09:13:01 -0.03, 61.62 0.44, 63.67 233.66 80
8 11/29/2025 21:37:30 0.13, 61.57 0.86, 58.42 358.86 80
9 11/30/2025 21:16:09 0.08, 61.56 -0.21, 62.94 155.68 80
10 12/02/2025 09:40:47 -0.18, 61.61 -1.07, 57.65 452.00 80
11 12/03/2025 09:19:26 -0.13, 61.61 -0.00, 62.16 62.98 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 11/19/2025
SNOs_Map_GOES-15_NPP_20251120.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 11/19/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP