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: 7/27/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/28/2025 20:40:27 0.03,-104.73 -0.91,-109.05 491.23 80
2 07/29/2025 20:24:22 0.03,-104.74 0.10,-104.52 25.76 80
3 08/01/2025 08:27:25 -0.03,-104.73 0.08,-105.25 59.35 80
4 08/02/2025 08:06:01 -0.03,-104.73 -0.94,-100.72 457.12 80
5 08/03/2025 20:27:57 0.04,-104.74 -0.27,-106.02 146.12 80
6 08/04/2025 20:11:52 0.04,-104.75 0.75,-101.49 370.39 80
7 08/06/2025 08:33:41 -0.05,-104.73 0.39,-106.77 231.60 80
8 08/07/2025 08:12:16 -0.05,-104.73 -0.63,-102.24 284.66 80
9 08/08/2025 20:34:13 0.05,-104.74 -0.56,-107.54 319.00 80
10 08/09/2025 20:18:08 0.05,-104.74 0.46,-103.02 197.62 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/27/2025
SNOs_Map_GOES-16_NOAA-21_20250728.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/27/2025 in txt file.

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