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: 9/29/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/30/2025 20:40:06 0.08,-104.69 -0.86,-108.95 485.26 80
2 10/01/2025 20:24:00 0.08,-104.69 0.16,-104.42 31.48 80
3 10/04/2025 08:27:01 -0.08,-104.69 -0.00,-105.15 51.73 80
4 10/05/2025 08:05:35 -0.09,-104.69 -1.03,-100.61 464.87 80
5 10/06/2025 20:27:30 0.08,-104.68 -0.16,-105.91 138.85 80
6 10/07/2025 20:11:23 0.09,-104.68 0.81,-101.36 378.09 80
7 10/09/2025 08:33:10 -0.08,-104.68 0.35,-106.63 221.24 80
8 10/10/2025 08:11:44 -0.08,-104.68 -0.69,-102.10 295.00 80
9 10/11/2025 20:33:37 0.07,-104.66 -0.55,-107.38 309.96 80
10 10/12/2025 20:17:32 0.08,-104.66 0.49,-102.85 206.51 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/29/2025
SNOs_Map_GOES-16_NOAA-21_20250930.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/29/2025 in txt file.

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