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: 7/17/2025
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 07/22/2025 20:49:50 -70.18, 41.41 129.80 07/22/2025 20:50:57 -70.28, 43.76 129.82 88.99 67
2 07/22/2025 21:40:41 70.68,-150.52 50.67 07/22/2025 21:41:53 70.77,-149.73 50.71 30.61 72
3 07/22/2025 22:31:31 -70.98, 17.26 129.06 07/22/2025 22:32:40 -70.96, 17.27 129.08 1.92 69
4 07/22/2025 23:22:31 71.01,-175.44 50.99 07/22/2025 23:23:27 70.98,-175.46 50.95 3.30 56
5 07/23/2025 00:13:26 -71.00, -8.19 129.02 07/23/2025 00:14:10 -71.02, -8.20 129.01 2.32 44
6 07/23/2025 01:04:26 71.03, 159.12 51.02 07/23/2025 01:04:57 71.04, 159.07 51.03 1.98 31
7 07/23/2025 01:55:22 -71.02, -33.64 128.99 07/23/2025 01:55:40 -71.02, -33.58 128.99 2.27 18
8 07/23/2025 02:46:22 71.05, 133.67 51.05 07/23/2025 02:46:27 71.05, 133.69 51.05 0.96 5
9 07/23/2025 03:37:17 -71.09, -59.00 128.91 07/23/2025 03:37:11 -71.08, -59.05 128.92 2.09 6
10 07/23/2025 04:28:18 71.07, 108.22 51.09 07/23/2025 04:27:58 71.10, 108.21 51.12 3.41 20
11 07/23/2025 05:19:13 -71.11, -84.45 128.88 07/23/2025 05:18:41 -71.09, -84.44 128.90 2.52 32
12 07/23/2025 06:10:14 71.09, 82.77 51.12 07/23/2025 06:09:28 71.11, 82.83 51.14 2.76 46
13 07/23/2025 07:01:09 -71.13,-109.90 128.85 07/23/2025 07:00:12 -71.14,-109.91 128.82 1.72 57
14 07/23/2025 07:52:09 71.16, 57.41 51.20 07/23/2025 07:50:59 71.17, 57.36 51.22 2.02 70
15 07/23/2025 08:43:00 -71.40,-134.89 128.58 07/23/2025 08:41:47 -71.41,-135.74 128.52 30.41 73
16 07/23/2025 09:33:50 71.95, 33.40 51.95 07/23/2025 09:32:43 71.90, 30.67 52.01 94.26 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 7/17/2025
SNOs_Map_NOAA-19_NPP_20250717.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 07/17/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP