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: 3/18/2025
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 03:21:16 70.97, 122.55 66.85 03/31/2025 03:22:24 71.02, 124.41 66.80 67.57 68
2 03/31/2025 04:12:02 -71.40, -69.40 112.77 03/31/2025 04:13:16 -71.46, -69.04 112.75 14.40 74
3 03/31/2025 05:03:01 71.57, 98.15 67.37 03/31/2025 05:04:04 71.55, 98.10 67.34 2.50 63
4 03/31/2025 05:53:55 -71.59, -94.54 112.63 03/31/2025 05:54:48 -71.58, -94.62 112.65 3.18 53
5 03/31/2025 06:44:58 71.55, 72.63 67.33 03/31/2025 06:45:34 71.56, 72.71 67.33 2.98 36
6 03/31/2025 07:35:52 -71.57,-120.06 112.67 03/31/2025 07:36:18 -71.59,-120.02 112.66 2.35 26
7 03/31/2025 08:26:53 71.64, 47.31 67.38 03/31/2025 08:27:05 71.63, 47.22 67.37 3.33 12
8 03/31/2025 09:17:48 -71.61,-145.48 112.67 03/31/2025 09:17:48 -71.60,-145.42 112.68 2.19 0
9 03/31/2025 10:08:50 71.62, 21.79 67.34 03/31/2025 10:08:35 71.64, 21.82 67.36 2.68 15
10 03/31/2025 10:59:44 -71.64,-170.90 112.67 03/31/2025 10:59:19 -71.67,-170.91 112.63 3.05 25
11 03/31/2025 11:50:46 71.65, -3.63 67.34 03/31/2025 11:50:05 71.66, -3.58 67.35 1.74 41
12 03/31/2025 12:41:40 -71.67, 163.68 112.66 03/31/2025 12:40:49 -71.68, 163.69 112.65 0.87 51
13 03/31/2025 13:32:42 71.69, -29.05 67.34 03/31/2025 13:31:35 71.67, -28.98 67.33 3.27 67
14 03/31/2025 14:23:35 -71.76, 138.36 112.61 03/31/2025 14:22:20 -71.74, 138.20 112.61 5.59 75
15 03/31/2025 15:14:26 72.33, -53.27 67.91 03/31/2025 15:13:18 72.35, -55.65 68.04 80.31 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/18/2025
SNOs_Map_NOAA-19_NPP_20250318.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/18/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP