Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-14 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/15/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 02/15/2025 20:23:09 -0.42,-107.76 0.29,-104.50 371.25 4
2 02/17/2025 08:46:20 0.43,-107.82 0.89,-109.77 222.10 80
3 02/18/2025 08:24:56 0.43,-107.84 -0.16,-105.24 296.04 80
4 02/19/2025 20:49:30 -0.44,-107.82 -1.07,-110.52 309.13 80
5 02/20/2025 20:28:06 -0.44,-107.83 -0.01,-106.00 208.88 80
6 02/22/2025 08:52:33 0.45,-107.88 1.19,-111.26 385.06 80
7 02/23/2025 08:31:08 0.45,-107.89 0.18,-106.73 132.84 80
8 02/24/2025 20:55:42 -0.46,-107.87 -1.40,-112.01 472.82 80
9 02/25/2025 20:34:16 -0.46,-107.87 -0.39,-107.48 45.07 80
10 02/28/2025 08:39:58 0.47,-107.93 0.54,-108.21 31.17 80
11 03/01/2025 08:18:33 0.47,-107.94 -0.47,-103.67 486.87 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 2/15/2025
SNOs_Map_GOES-14_NPP_20250216.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 02/15/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP