Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/21/2023
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/22/2023 08:16:09 0.01,-104.72 -0.25,-103.50 139.69 80
2 07/23/2023 20:38:04 -0.01,-104.71 -0.91,-108.80 466.42 80
3 07/24/2023 20:21:59 -0.01,-104.71 0.11,-104.27 50.46 80
4 07/27/2023 08:25:00 0.02,-104.72 0.05,-105.00 31.21 80
5 07/28/2023 08:03:33 0.02,-104.72 -0.91,-100.46 485.14 80
6 07/29/2023 20:25:27 -0.02,-104.69 -0.29,-105.75 121.87 80
7 07/30/2023 20:09:22 -0.03,-104.68 0.74,-101.22 394.47 80
8 08/01/2023 08:31:08 0.03,-104.70 0.44,-106.49 203.89 80
9 08/02/2023 08:09:43 0.03,-104.69 -0.59,-101.95 312.13 80
10 08/03/2023 20:31:37 -0.04,-104.66 -0.60,-107.25 295.15 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/21/2023
SNOs_Map_GOES-17_NOAA-21_20230722.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/21/2023 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21