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: 3/6/2025
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 03/06/2025 22:19:21 -73.48, 15.47 100.93 03/06/2025 22:20:17 -73.48, 15.51 100.95 1.14 56
2 03/06/2025 23:10:05 73.37,-176.97 78.93 03/06/2025 23:09:38 73.37,-177.05 78.94 2.60 27
3 03/09/2025 08:41:13 74.12, 38.52 78.84 03/09/2025 08:42:19 74.04, 41.10 78.58 78.98 66
4 03/09/2025 09:31:43 -73.45,-152.54 101.94 03/09/2025 09:31:51 -73.42,-152.54 101.97 2.72 8
5 03/09/2025 10:22:25 73.24, 15.24 77.82 03/09/2025 10:21:12 73.31, 14.91 77.93 13.45 73
6 03/11/2025 19:53:22 73.46,-127.97 77.11 03/11/2025 19:54:02 73.48,-128.02 77.13 3.09 40
7 03/11/2025 20:44:04 -73.38, 39.53 103.00 03/11/2025 20:43:24 -73.39, 39.47 102.97 2.69 40
8 03/14/2025 06:15:02 -73.65,-103.81 103.65 03/14/2025 06:16:13 -73.58,-103.41 103.76 14.71 71
9 03/14/2025 07:05:44 73.44, 63.98 76.11 03/14/2025 07:05:35 73.42, 63.93 76.09 3.10 9
10 03/14/2025 07:56:14 -72.76,-127.21 104.66 03/14/2025 07:55:07 -72.80,-129.62 104.46 79.28 67
11 03/16/2025 17:27:21 -73.49, 88.47 104.80 03/16/2025 17:27:46 -73.48, 88.47 104.82 0.93 25
12 03/16/2025 18:18:05 73.39,-103.98 75.07 03/16/2025 18:17:07 73.38,-104.08 75.08 3.26 58
13 03/19/2025 03:49:00 73.53, 112.98 74.27 03/19/2025 03:49:56 73.51, 112.93 74.24 2.95 56
14 03/19/2025 04:39:42 -73.44, -79.50 105.84 03/19/2025 04:39:17 -73.46, -79.49 105.82 2.49 25

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/6/2025
SNOs_Map_NPP_TERRA_20250306.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/06/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA