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: 6/24/2025
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 07/06/2025 14:54:38 70.55, -49.54 48.01 07/06/2025 14:55:48 70.64, -48.06 48.02 55.48 70
2 07/06/2025 15:45:28 -71.05, 118.57 131.53 07/06/2025 15:46:40 -71.06, 118.55 131.53 1.41 72
3 07/06/2025 16:36:25 71.04, -74.19 48.47 07/06/2025 16:37:26 71.06, -74.14 48.47 2.97 61
4 07/06/2025 17:27:24 -71.08, 93.13 131.50 07/06/2025 17:28:10 -71.07, 93.17 131.52 1.62 46
5 07/06/2025 18:18:20 71.11, -99.54 48.54 07/06/2025 18:18:57 71.12, -99.61 48.54 2.27 37
6 07/06/2025 19:09:20 -71.10, 67.68 131.47 07/06/2025 19:09:41 -71.12, 67.70 131.45 3.14 21
7 07/06/2025 20:00:16 71.13,-124.99 48.57 07/06/2025 20:00:27 71.12,-124.99 48.55 1.55 11
8 07/06/2025 20:51:16 -71.12, 42.23 131.45 07/06/2025 20:51:11 -71.13, 42.31 131.44 3.17 5
9 07/06/2025 21:42:12 71.15,-150.43 48.60 07/06/2025 21:41:58 71.18,-150.46 48.62 2.46 14
10 07/06/2025 22:33:11 -71.19, 16.88 131.37 07/06/2025 22:32:42 -71.18, 16.84 131.37 1.35 29
11 07/06/2025 23:24:08 71.18,-175.88 48.62 07/06/2025 23:23:28 71.18,-175.84 48.63 1.49 40
12 07/07/2025 00:15:07 -71.21, -8.57 131.35 07/07/2025 00:14:12 -71.19, -8.54 131.36 2.60 55
13 07/07/2025 01:06:03 71.25, 158.77 48.70 07/07/2025 01:04:59 71.24, 158.69 48.70 3.16 64
14 07/07/2025 01:57:00 -71.38, -33.74 131.18 07/07/2025 01:55:46 -71.40, -34.28 131.13 19.44 74
15 07/07/2025 02:47:49 71.78, 134.27 49.20 07/07/2025 02:46:39 71.76, 132.38 49.27 65.87 70

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 6/24/2025
SNOs_Map_NOAA-19_NPP_20250624.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 06/24/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP