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: 3/13/2025
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 03/14/2025 06:15:00 -73.58,-103.64 103.73 03/14/2025 06:16:12 -73.56,-103.45 103.77 6.27 72
2 03/14/2025 07:05:44 73.46, 63.93 76.14 03/14/2025 07:05:33 73.46, 64.02 76.14 2.85 11
3 03/14/2025 07:56:13 -72.73,-127.17 104.69 03/14/2025 07:55:06 -72.78,-129.65 104.47 82.03 67
4 03/16/2025 17:27:20 -73.48, 88.51 104.82 03/16/2025 17:27:44 -73.47, 88.45 104.83 1.95 24
5 03/16/2025 18:18:05 73.41,-104.04 75.10 03/16/2025 18:17:04 73.43,-103.98 75.12 2.47 61
6 03/19/2025 03:48:59 73.51, 113.02 74.25 03/19/2025 03:49:52 73.54, 113.00 74.27 3.12 53
7 03/19/2025 04:39:41 -73.44, -79.49 105.85 03/19/2025 04:39:14 -73.44, -79.54 105.84 1.82 27
8 03/21/2025 14:10:45 -74.04, 136.37 106.14 03/21/2025 14:11:54 -73.92, 138.23 106.37 58.27 69
9 03/21/2025 15:01:20 73.48, -55.00 73.24 03/21/2025 15:01:21 73.51, -54.98 73.26 2.97 1
10 03/21/2025 15:51:58 -73.20, 112.95 107.09 03/21/2025 15:50:46 -73.25, 112.16 106.99 25.60 72
11 03/24/2025 01:22:56 -73.52, -30.48 107.69 03/24/2025 01:23:29 -73.53, -30.51 107.69 1.50 33
12 03/24/2025 02:13:41 73.46, 136.96 72.23 03/24/2025 02:12:49 73.48, 137.06 72.26 3.69 52
13 03/26/2025 11:44:34 73.54, -5.93 71.37 03/26/2025 11:45:35 73.56, -6.02 71.38 3.35 61
14 03/26/2025 12:35:17 -73.51, 161.47 108.69 03/26/2025 12:34:56 -73.51, 161.54 108.69 2.43 21

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/13/2025
SNOs_Map_NPP_TERRA_20250313.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/13/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA