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: 3/28/2025
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 70.95, 122.51 66.83 03/31/2025 03:22:24 71.01, 124.42 66.80 69.88 68
2 03/31/2025 04:12:02 -71.37, -69.46 112.80 03/31/2025 04:13:15 -71.41, -68.95 112.80 18.77 73
3 03/31/2025 05:03:01 71.54, 98.10 67.35 03/31/2025 05:04:04 71.54, 98.12 67.34 0.63 63
4 03/31/2025 05:53:55 -71.55, -94.60 112.66 03/31/2025 05:54:48 -71.58, -94.63 112.65 2.79 53
5 03/31/2025 06:44:57 71.58, 72.68 67.35 03/31/2025 06:45:34 71.56, 72.72 67.32 2.79 37
6 03/31/2025 07:35:51 -71.59,-120.03 112.66 03/31/2025 07:36:18 -71.59,-120.02 112.66 0.40 27
7 03/31/2025 08:26:53 71.61, 47.26 67.36 03/31/2025 08:27:05 71.62, 47.23 67.36 1.49 12
8 03/31/2025 09:17:47 -71.62,-145.45 112.65 03/31/2025 09:17:48 -71.61,-145.42 112.67 2.07 1
9 03/31/2025 10:08:49 71.65, 21.84 67.36 03/31/2025 10:08:35 71.63, 21.83 67.35 1.18 14
10 03/31/2025 10:59:43 -71.66,-170.87 112.65 03/31/2025 10:59:19 -71.67,-170.91 112.63 2.22 24
11 03/31/2025 11:50:45 71.68, -3.58 67.36 03/31/2025 11:50:05 71.65, -3.57 67.34 3.48 40
12 03/31/2025 12:41:39 -71.69, 163.71 112.65 03/31/2025 12:40:49 -71.68, 163.69 112.64 0.99 50
13 03/31/2025 13:32:41 71.71, -29.01 67.37 03/31/2025 13:31:36 71.71, -29.06 67.38 1.88 65
14 03/31/2025 14:23:35 -71.72, 138.29 112.64 03/31/2025 14:22:20 -71.75, 138.20 112.60 4.25 75
15 03/31/2025 15:14:26 72.30, -53.32 67.89 03/31/2025 15:13:17 72.29, -55.53 67.97 74.67 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/28/2025
SNOs_Map_NOAA-19_NPP_20250328.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/28/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP