Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between METOP-B and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/8/2025
Index Date (METOP-B) Time (METOP-B) Lat,Lon (METOP-B) SZA (METOP-B ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 09/21/2025 12:33:37 75.27, -18.36 74.86 09/21/2025 12:32:31 75.25, -21.73 75.01 95.33 66
2 09/21/2025 13:24:21 -75.19, 148.74 105.20 09/21/2025 13:23:14 -75.17, 145.84 105.08 82.46 67
3 09/21/2025 14:15:05 74.96, -44.57 74.62 09/21/2025 14:13:55 74.97, -46.27 74.71 48.93 70
4 09/21/2025 15:05:50 -74.84, 122.41 105.49 09/21/2025 15:04:37 -74.83, 121.43 105.43 28.59 73
5 09/21/2025 15:56:33 74.66, -70.75 74.37 09/21/2025 15:55:18 74.63, -70.70 74.36 3.35 75
6 09/21/2025 16:47:16 -74.63, 96.51 105.64 09/21/2025 16:46:03 -74.64, 96.59 105.62 2.55 73
7 09/21/2025 17:37:55 74.64, -96.13 74.39 09/21/2025 17:36:48 74.63, -96.07 74.39 2.25 67
8 09/21/2025 18:28:37 -74.66, 71.25 105.58 09/21/2025 18:27:33 -74.64, 71.22 105.59 3.05 64
9 09/21/2025 19:19:17 74.62,-121.51 74.40 09/21/2025 19:18:18 74.63,-121.44 74.41 2.01 59
10 09/21/2025 20:09:59 -74.65, 45.87 105.57 09/21/2025 20:09:03 -74.64, 45.84 105.57 1.52 56
11 09/21/2025 21:00:39 74.61,-146.89 74.42 09/21/2025 20:59:48 74.62,-146.81 74.44 2.85 51
12 09/21/2025 21:51:21 -74.63, 20.49 105.56 09/21/2025 21:50:33 -74.63, 20.47 105.54 0.55 48
13 09/21/2025 22:42:00 74.64,-172.14 74.47 09/21/2025 22:41:18 74.62,-172.18 74.46 2.49 42
14 09/21/2025 23:32:43 -74.62, -4.89 105.54 09/21/2025 23:32:03 -74.63, -4.90 105.52 1.81 40
15 09/22/2025 00:23:22 74.63, 162.47 74.49 09/22/2025 00:22:48 74.62, 162.45 74.49 1.05 34
16 09/22/2025 01:14:05 -74.60, -30.27 105.53 09/22/2025 01:13:33 -74.63, -30.27 105.49 3.35 32
17 09/22/2025 02:04:44 74.61, 137.09 74.50 09/22/2025 02:04:18 74.62, 137.07 74.51 1.07 26
18 09/22/2025 02:55:26 -74.63, -55.53 105.47 09/22/2025 02:55:03 -74.63, -55.64 105.47 3.36 23
19 09/22/2025 03:46:06 74.60, 111.71 74.51 09/22/2025 03:45:48 74.62, 111.70 74.54 2.53 18
20 09/22/2025 04:36:48 -74.62, -80.91 105.46 09/22/2025 04:36:33 -74.63, -81.01 105.44 3.17 15

Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 9/8/2025
SNOs_Map_METOP-B_NPP_20250908.jpg

Download SNOs between METOP-B and NPP since TLE EPOCH: 09/08/2025 in txt file.

Historial Predications of SNOs between METOP-B and NPP