Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/8/2023
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/13/2023 07:00:47 -75.54,-120.04 112.99 04/13/2023 07:02:01 -75.55,-120.10 113.01 1.63 74
2 04/13/2023 07:51:43 75.52, 47.17 66.98 04/13/2023 07:52:47 75.55, 47.19 66.99 3.34 64
3 04/13/2023 08:42:46 -75.55,-145.49 113.01 04/13/2023 08:43:31 -75.55,-145.48 113.03 0.89 45
4 04/13/2023 09:33:41 75.58, 21.86 67.00 04/13/2023 09:34:17 75.56, 21.80 66.97 3.02 36
5 04/13/2023 10:24:45 -75.57,-170.95 113.03 04/13/2023 10:25:01 -75.55,-170.86 113.06 3.06 16
6 04/13/2023 11:15:40 75.59, -3.60 66.98 04/13/2023 11:15:47 75.56, -3.58 66.95 3.52 7
7 04/13/2023 12:06:44 -75.58, 163.59 113.05 04/13/2023 12:06:32 -75.60, 163.61 113.02 2.64 12
8 04/13/2023 12:57:39 75.60, -29.06 66.96 04/13/2023 12:57:18 75.61, -29.11 66.98 1.61 21
9 04/13/2023 13:48:43 -75.59, 138.13 113.07 04/13/2023 13:48:02 -75.60, 138.23 113.05 3.12 41
10 04/13/2023 14:39:38 75.61, -54.52 66.94 04/13/2023 14:38:48 75.61, -54.49 66.96 0.80 50
11 04/13/2023 15:30:41 -75.64, 112.83 113.05 04/13/2023 15:29:33 -75.65, 112.70 113.02 3.71 68
12 04/13/2023 16:21:34 75.76, -79.51 67.03 04/13/2023 16:20:21 75.75, -80.33 67.10 22.22 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_NOAA-19_NPP_20230408.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/08/2023 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP