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: 3/24/2025
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 03:21:15 70.98, 122.56 66.86 03/31/2025 03:22:24 71.04, 124.38 66.83 66.12 69
2 03/31/2025 04:12:02 -71.35, -69.49 112.82 03/31/2025 04:13:15 -71.43, -68.99 112.77 20.04 73
3 03/31/2025 05:03:00 71.57, 98.16 67.38 03/31/2025 05:04:04 71.57, 98.07 67.36 3.14 64
4 03/31/2025 05:53:55 -71.54, -94.63 112.68 03/31/2025 05:54:47 -71.55, -94.57 112.68 2.54 52
5 03/31/2025 06:44:57 71.56, 72.64 67.33 03/31/2025 06:45:34 71.58, 72.67 67.35 3.25 37
6 03/31/2025 07:35:51 -71.57,-120.06 112.67 03/31/2025 07:36:17 -71.56,-119.97 112.69 3.08 26
7 03/31/2025 08:26:53 71.59, 47.22 67.34 03/31/2025 08:27:04 71.60, 47.27 67.34 2.07 11
8 03/31/2025 09:17:47 -71.60,-145.48 112.67 03/31/2025 09:17:48 -71.63,-145.46 112.65 2.73 1
9 03/31/2025 10:08:49 71.62, 21.80 67.34 03/31/2025 10:08:34 71.61, 21.88 67.33 3.04 15
10 03/31/2025 10:59:43 -71.64,-170.90 112.67 03/31/2025 10:59:18 -71.64,-170.86 112.66 1.43 25
11 03/31/2025 11:50:45 71.66, -3.62 67.34 03/31/2025 11:50:05 71.68, -3.62 67.37 2.16 40
12 03/31/2025 12:41:39 -71.67, 163.68 112.66 03/31/2025 12:40:48 -71.66, 163.74 112.67 2.81 51
13 03/31/2025 13:32:41 71.69, -29.04 67.35 03/31/2025 13:31:35 71.69, -29.02 67.35 1.01 66
14 03/31/2025 14:23:34 -71.76, 138.35 112.61 03/31/2025 14:22:19 -71.72, 138.25 112.63 5.36 75
15 03/31/2025 15:14:25 72.33, -53.26 67.91 03/31/2025 15:13:17 72.32, -55.59 68.01 78.48 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/24/2025
SNOs_Map_NOAA-19_NPP_20250324.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/24/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP