Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/23/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/23/2025 20:35:41 0.02,-104.73 0.00,-107.66 326.42 0
2 07/24/2025 20:18:06 0.02,-104.73 0.42,-103.00 197.39 80
3 07/26/2025 08:39:54 -0.02,-104.71 0.77,-108.26 404.70 80
4 07/27/2025 08:18:29 -0.02,-104.72 -0.24,-103.73 111.94 80
5 07/28/2025 20:40:26 0.02,-104.74 -0.93,-109.04 490.47 80
6 07/29/2025 20:24:22 0.02,-104.74 0.09,-104.51 26.57 80
7 08/01/2025 08:27:25 -0.02,-104.74 0.10,-105.25 58.07 80
8 08/02/2025 08:06:00 -0.02,-104.74 -0.92,-100.72 458.61 80
9 08/03/2025 20:27:58 0.03,-104.76 -0.23,-106.03 144.14 80
10 08/04/2025 20:11:53 0.03,-104.77 0.79,-101.50 372.59 80
11 08/06/2025 08:33:40 -0.04,-104.76 0.42,-106.77 229.33 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/23/2025
SNOs_Map_GOES-16_NOAA-21_20250724.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/23/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NOAA-21