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: 7/10/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/11/2025 08:18:24 -0.01,-104.71 -0.22,-103.71 113.70 80
2 07/12/2025 20:40:23 0.02,-104.72 -0.93,-109.03 491.11 80
3 07/13/2025 20:24:18 0.00,-104.72 0.08,-104.50 25.81 80
4 07/16/2025 08:27:21 0.02,-104.71 0.12,-105.23 58.86 80
5 07/17/2025 08:05:57 0.02,-104.71 -0.89,-100.70 457.27 80
6 07/18/2025 20:27:54 -0.02,-104.71 -0.30,-106.00 147.43 80
7 07/19/2025 20:11:50 0.02,-104.71 0.76,-101.49 367.74 80
8 07/21/2025 08:33:38 -0.01,-104.70 0.44,-106.75 233.75 80
9 07/22/2025 08:12:13 -0.01,-104.69 -0.56,-102.22 281.99 80
10 07/23/2025 20:34:11 0.00,-104.69 -0.61,-107.53 323.20 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_GOES-16_NOAA-21_20250711.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/10/2025 in txt file.

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