Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/25/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/25/2023 18:33:45 0.33, 102.65 0.27, 102.75 12.83 80
2 09/27/2023 06:58:25 -0.31, 101.00 -1.11, 97.37 413.22 80
3 09/28/2023 06:37:02 -0.32, 99.94 0.11, 101.86 218.90 80
4 09/29/2023 19:01:35 0.30, 98.34 0.68, 96.51 207.97 80
5 09/30/2023 18:40:11 0.32, 97.29 -0.48, 101.01 423.70 80
6 10/02/2023 07:04:53 -0.30, 95.63 -0.27, 95.62 3.16 80
7 10/03/2023 19:26:44 0.28, 94.01 1.12, 90.28 425.43 80
8 10/04/2023 19:05:21 0.30, 92.95 -0.11, 94.77 206.62 80
9 10/06/2023 07:30:02 -0.27, 91.30 -0.69, 89.38 218.09 80
10 10/07/2023 07:08:39 -0.29, 90.23 0.55, 93.87 415.48 80
11 10/08/2023 19:33:11 0.26, 88.60 0.29, 88.53 8.23 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/25/2023
SNOs_Map_GOES-15_NPP_20230925.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/25/2023 in txt file.

Historical Predications of SNOs between GOES-15 and NPP