Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/25/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 05/26/2025 09:20:17 73.90, 29.48 52.88 05/26/2025 09:21:22 73.88, 29.46 52.84 2.56 65
2 05/26/2025 10:11:00 -73.82,-163.03 127.22 05/26/2025 10:10:44 -73.84,-162.97 127.21 2.28 16
3 05/28/2025 19:42:00 -73.94, 53.96 127.47 05/28/2025 19:43:12 -73.91, 54.01 127.53 4.14 72
4 05/28/2025 20:32:43 73.82,-138.45 52.40 05/28/2025 20:32:31 73.82,-138.50 52.39 1.73 12
5 05/28/2025 21:23:12 -73.05, 30.64 128.47 05/28/2025 21:22:06 -73.09, 27.69 128.24 95.57 66
6 05/31/2025 06:03:45 74.04, 78.28 52.29 05/31/2025 06:04:57 73.97, 78.67 52.18 14.33 72
7 05/31/2025 06:54:26 -73.86,-113.97 127.92 05/31/2025 06:54:21 -73.83,-113.97 127.95 3.53 5
8 05/31/2025 07:44:57 73.15, 54.99 51.29 05/31/2025 07:43:50 73.21, 52.43 51.52 82.63 67
9 06/02/2025 16:25:33 -74.33, 102.13 127.70 06/02/2025 16:26:42 -74.24, 103.75 127.90 49.77 69
10 06/02/2025 17:16:09 73.88, -89.42 51.79 06/02/2025 17:16:06 73.88, -89.35 51.79 2.18 3
11 06/02/2025 18:06:45 -73.45, 78.91 128.70 06/02/2025 18:05:35 -73.48, 77.46 128.57 45.85 70
12 06/05/2025 02:47:18 74.45, 126.41 52.16 06/05/2025 02:48:26 74.32, 128.46 51.90 62.97 68
13 06/05/2025 03:37:51 -73.87, -64.83 128.50 06/05/2025 03:37:56 -73.87, -64.89 128.50 1.88 5
14 06/05/2025 04:28:29 73.51, 103.34 51.10 06/05/2025 04:27:18 73.62, 102.26 51.28 35.74 71
15 06/07/2025 13:09:04 -74.69, 150.35 127.81 06/07/2025 13:10:09 -74.60, 153.61 128.09 96.39 65
16 06/07/2025 13:59:33 73.90, -40.30 51.29 06/07/2025 13:59:40 73.89, -40.33 51.28 1.25 7

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/25/2025
SNOs_Map_NPP_TERRA_20250526.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/25/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA