Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/25/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 09/26/2025 20:36:48 -74.32, 38.91 103.95 09/26/2025 20:37:19 -74.30, 38.85 103.98 2.91 31
2 09/26/2025 21:27:32 74.25,-153.59 75.99 09/26/2025 21:26:37 74.26,-153.56 76.01 1.86 55
3 09/29/2025 06:58:27 74.33, 63.48 77.00 09/29/2025 06:58:47 74.32, 63.48 76.99 1.09 20
4 09/29/2025 07:49:10 -74.26,-129.04 103.06 09/29/2025 07:48:09 -74.26,-129.00 103.06 1.35 61
5 10/01/2025 17:20:05 -74.35, 88.01 102.04 10/01/2025 17:20:18 -74.33, 88.08 102.07 3.07 13
6 10/01/2025 18:10:48 74.23,-104.37 77.84 10/01/2025 18:09:37 74.24,-104.45 77.86 2.60 71
7 10/04/2025 02:51:11 -74.98, -56.41 100.43 10/04/2025 02:52:17 -74.89, -53.69 100.65 79.28 66
8 10/04/2025 03:41:43 74.33, 112.66 78.87 10/04/2025 03:41:45 74.33, 112.67 78.87 0.33 2
9 10/04/2025 04:32:22 -74.07, -79.36 101.41 10/04/2025 04:31:10 -74.11, -80.17 101.32 25.13 72
10 10/06/2025 13:12:40 74.54, -30.59 80.01 10/06/2025 13:13:52 74.44, -30.17 79.88 16.47 72
11 10/06/2025 14:03:20 -74.32, 137.29 100.22 10/06/2025 14:03:15 -74.32, 137.22 100.22 1.98 5
12 10/06/2025 14:53:51 73.61, -53.66 79.02 10/06/2025 14:52:45 73.66, -56.56 79.21 90.85 66
13 10/08/2025 23:34:14 -74.39, -5.60 99.25 10/08/2025 23:35:22 -74.40, -5.70 99.25 3.19 68
14 10/09/2025 00:24:58 74.32, 161.89 80.70 10/09/2025 00:24:41 74.31, 161.78 80.69 3.50 17

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/25/2025
SNOs_Map_NOAA-20_TERRA_20250926.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/25/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA