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: 3/19/2025
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 03/31/2025 03:21:17 70.97, 122.54 66.85 03/31/2025 03:22:25 71.02, 124.40 66.81 67.55 68
2 03/31/2025 04:12:03 -71.40, -69.41 112.78 03/31/2025 04:13:17 -71.46, -69.05 112.74 14.76 74
3 03/31/2025 05:03:02 71.57, 98.14 67.37 03/31/2025 05:04:05 71.56, 98.10 67.35 2.05 63
4 03/31/2025 05:53:56 -71.59, -94.55 112.63 03/31/2025 05:54:49 -71.58, -94.63 112.64 2.97 53
5 03/31/2025 06:44:59 71.55, 72.63 67.33 03/31/2025 06:45:35 71.57, 72.70 67.33 3.29 36
6 03/31/2025 07:35:53 -71.57,-120.06 112.68 03/31/2025 07:36:19 -71.59,-120.03 112.66 3.09 26
7 03/31/2025 08:26:54 71.63, 47.30 67.38 03/31/2025 08:27:06 71.63, 47.21 67.38 3.31 12
8 03/31/2025 09:17:49 -71.60,-145.48 112.67 03/31/2025 09:17:49 -71.61,-145.43 112.67 2.13 0
9 03/31/2025 10:08:51 71.62, 21.79 67.33 03/31/2025 10:08:36 71.65, 21.81 67.36 3.29 15
10 03/31/2025 10:59:45 -71.64,-170.91 112.67 03/31/2025 10:59:19 -71.62,-170.82 112.68 3.42 26
11 03/31/2025 11:50:47 71.65, -3.63 67.34 03/31/2025 11:50:06 71.66, -3.59 67.35 1.84 41
12 03/31/2025 12:41:41 -71.67, 163.67 112.66 03/31/2025 12:40:50 -71.68, 163.69 112.64 1.61 51
13 03/31/2025 13:32:42 71.69, -29.05 67.34 03/31/2025 13:31:35 71.67, -28.99 67.34 2.83 67
14 03/31/2025 14:23:35 -71.75, 138.35 112.61 03/31/2025 14:22:20 -71.75, 138.19 112.60 5.52 75
15 03/31/2025 15:14:26 72.33, -53.27 67.91 03/31/2025 15:13:18 72.35, -55.66 68.04 80.43 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/19/2025
SNOs_Map_NOAA-19_NPP_20250319.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/19/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP