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: 6/27/2025
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 07/06/2025 14:03:48 -70.20, 142.61 132.32 07/06/2025 14:04:54 -70.24, 145.27 132.41 99.95 66
2 07/06/2025 14:54:38 70.54, -49.55 48.01 07/06/2025 14:55:47 70.60, -47.99 47.98 57.89 69
3 07/06/2025 15:45:28 -71.04, 118.56 131.54 07/06/2025 15:46:39 -71.03, 118.61 131.57 2.46 71
4 07/06/2025 16:36:24 71.08, -74.11 48.51 07/06/2025 16:37:26 71.07, -74.16 48.49 1.92 62
5 07/06/2025 17:27:24 -71.07, 93.11 131.51 07/06/2025 17:28:10 -71.09, 93.14 131.50 2.51 46
6 07/06/2025 18:18:20 71.10, -99.56 48.53 07/06/2025 18:18:56 71.08, -99.54 48.50 2.93 36
7 07/06/2025 19:09:19 -71.14, 67.75 131.44 07/06/2025 19:09:41 -71.14, 67.67 131.43 3.17 22
8 07/06/2025 20:00:16 71.12,-125.00 48.56 07/06/2025 20:00:27 71.13,-125.01 48.57 1.06 11
9 07/06/2025 20:51:15 -71.16, 42.31 131.41 07/06/2025 20:51:11 -71.15, 42.29 131.42 1.51 4
10 07/06/2025 21:42:12 71.15,-150.45 48.59 07/06/2025 21:41:57 71.14,-150.39 48.58 2.21 15
11 07/06/2025 22:33:11 -71.18, 16.86 131.38 07/06/2025 22:32:42 -71.20, 16.81 131.35 3.12 29
12 07/06/2025 23:24:08 71.17,-175.89 48.62 07/06/2025 23:23:28 71.19,-175.86 48.65 3.16 40
13 07/07/2025 00:15:07 -71.20, -8.59 131.36 07/07/2025 00:14:12 -71.21, -8.57 131.34 1.08 55
14 07/07/2025 01:06:03 71.24, 158.75 48.69 07/07/2025 01:04:59 71.25, 158.66 48.71 3.36 64
15 07/07/2025 01:56:59 -71.42, -33.66 131.14 07/07/2025 01:55:46 -71.42, -34.31 131.11 23.09 73
16 07/07/2025 02:47:49 71.77, 134.26 49.19 07/07/2025 02:46:39 71.77, 132.35 49.28 66.19 70

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 6/27/2025
SNOs_Map_NOAA-19_NPP_20250627.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 06/27/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP