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: 10/8/2025
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 10/09/2025 11:54:40 74.57, -10.34 81.12 10/09/2025 11:54:59 74.55, -10.28 81.09 2.84 19
2 10/09/2025 12:45:23 -74.49, 157.18 98.96 10/09/2025 12:44:21 -74.46, 157.18 98.98 3.33 62
3 10/11/2025 21:25:50 75.12,-154.62 82.63 10/11/2025 21:26:57 75.03,-152.18 82.43 70.55 67
4 10/11/2025 22:16:23 -74.56, 14.26 97.98 10/11/2025 22:16:27 -74.53, 14.26 98.02 3.71 4
5 10/11/2025 23:07:01 74.21,-177.49 81.65 10/11/2025 23:05:50 74.25,-178.70 81.75 37.10 71
6 10/14/2025 07:47:23 -74.64,-128.68 97.01 10/14/2025 07:48:32 -74.62,-128.61 97.04 2.95 69
7 10/14/2025 08:38:06 74.53, 38.94 82.88 10/14/2025 08:37:51 74.56, 38.91 82.91 3.29 15
8 10/16/2025 18:09:06 74.61,-104.02 83.85 10/16/2025 18:09:56 74.62,-104.00 83.86 1.42 50
9 10/16/2025 18:59:49 -74.53, 63.51 96.23 10/16/2025 18:59:18 -74.53, 63.43 96.23 2.30 31
10 10/19/2025 04:30:49 -74.62, -79.47 95.26 10/19/2025 04:31:22 -74.61, -79.43 95.28 1.22 33
11 10/19/2025 05:21:33 74.56, 88.01 84.69 10/19/2025 05:20:41 74.56, 88.10 84.69 2.58 52
12 10/21/2025 14:52:32 74.61, -54.85 85.59 10/21/2025 14:52:45 74.62, -54.82 85.60 1.73 13

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/8/2025
SNOs_Map_NPP_TERRA_20251008.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/08/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA