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: 9/12/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/12/2023 17:36:54 0.37, 116.43 0.25, 116.98 63.04 80
2 09/14/2023 06:01:35 -0.36, 114.79 -1.06, 111.60 362.94 80
3 09/15/2023 05:40:13 -0.37, 113.74 0.13, 116.09 267.37 80
4 09/16/2023 18:04:45 0.36, 112.18 0.69, 110.74 163.69 80
5 09/17/2023 17:43:23 0.37, 111.14 -0.57, 115.22 466.24 80
6 09/19/2023 06:05:24 -0.36, 109.48 -0.29, 109.85 41.58 80
7 09/20/2023 18:29:56 0.34, 107.90 1.10, 104.50 387.80 80
8 09/21/2023 18:08:34 0.35, 106.86 -0.10, 108.99 242.47 80
9 09/23/2023 06:33:15 -0.33, 105.21 -0.69, 103.60 182.79 80
10 09/24/2023 06:11:52 -0.34, 104.15 0.52, 108.09 448.74 80
11 09/25/2023 18:33:45 0.32, 102.57 0.29, 102.75 20.21 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/12/2023
SNOs_Map_GOES-15_NPP_20230912.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/12/2023 in txt file.

Historical Predications of SNOs between GOES-15 and NPP