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: 6/6/2025
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 06/07/2025 13:09:03 -74.64, 150.49 127.87 06/07/2025 13:10:09 -74.54, 153.46 128.15 88.40 66
2 06/07/2025 13:59:33 73.88, -40.27 51.28 06/07/2025 13:59:39 73.89, -40.33 51.28 1.96 6
3 06/07/2025 14:50:15 -73.76, 127.34 128.87 06/07/2025 14:49:02 -73.78, 127.11 128.81 7.68 73
4 06/10/2025 00:21:15 -73.90, -15.73 128.90 06/10/2025 00:21:27 -73.90, -15.80 128.90 2.08 12
5 06/10/2025 01:11:59 73.83, 151.75 51.02 06/10/2025 01:10:46 73.83, 151.72 51.03 1.40 73
6 06/12/2025 10:42:58 73.93, 8.79 50.98 06/12/2025 10:43:11 73.93, 8.77 50.97 0.55 13
7 06/12/2025 11:33:41 -73.86, 176.28 129.11 06/12/2025 11:32:33 -73.87, 176.32 129.09 2.06 68
8 06/14/2025 21:04:39 -73.96, 33.31 129.12 06/14/2025 21:04:57 -73.95, 33.33 129.13 1.00 18
9 06/14/2025 21:55:23 73.89,-159.21 50.81 06/14/2025 21:54:16 73.88,-159.15 50.81 2.24 67
10 06/17/2025 07:26:21 73.94, 57.92 50.80 06/17/2025 07:26:41 73.94, 57.84 50.80 2.49 20
11 06/17/2025 08:17:04 -73.87,-134.58 129.29 06/17/2025 08:16:03 -73.88,-134.63 129.26 2.22 61
12 06/19/2025 17:48:03 -73.98, 82.42 129.20 06/19/2025 17:48:27 -73.98, 82.42 129.21 0.26 24

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/6/2025
SNOs_Map_NPP_TERRA_20250606.jpg

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

Historial Predications of SNOs between NPP and TERRA