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: 5/18/2025
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 05/19/2025 02:15:08 -73.87, -44.19 125.77 05/19/2025 02:15:57 -73.85, -44.09 125.80 3.38 49
2 05/19/2025 03:05:51 73.74, 123.42 54.09 05/19/2025 03:05:16 73.77, 123.41 54.12 2.85 35
3 05/21/2025 12:36:51 73.85, -19.57 53.72 05/21/2025 12:37:44 73.88, -19.54 53.73 2.72 53
4 05/21/2025 13:27:34 -73.78, 147.92 126.38 05/21/2025 13:27:07 -73.79, 147.93 126.36 1.03 27
5 05/23/2025 22:58:34 -73.89, 4.93 126.71 05/23/2025 22:59:35 -73.87, 4.94 126.74 1.78 61
6 05/23/2025 23:49:17 73.77, 172.52 53.16 05/23/2025 23:48:54 73.78, 172.42 53.17 3.00 23
7 05/26/2025 09:20:17 73.89, 29.49 52.87 05/26/2025 09:21:21 73.89, 29.49 52.85 0.31 64
8 05/26/2025 10:11:00 -73.81,-162.99 127.23 05/26/2025 10:10:44 -73.81,-163.03 127.23 1.14 16
9 05/28/2025 19:41:59 -73.88, 54.10 127.54 05/28/2025 19:43:11 -73.89, 54.00 127.54 3.55 72
10 05/28/2025 20:32:43 73.82,-138.44 52.39 05/28/2025 20:32:29 73.85,-138.43 52.42 2.96 14
11 05/31/2025 06:03:43 74.00, 78.39 52.25 05/31/2025 06:04:54 73.96, 78.66 52.17 9.41 71
12 05/31/2025 06:54:25 -73.86,-113.96 127.92 05/31/2025 06:54:18 -73.83,-113.97 127.95 3.71 7

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/18/2025
SNOs_Map_NPP_TERRA_20250518.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/18/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA