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: 9/21/2025
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 09/21/2025 23:53:32 -74.33, -10.31 105.81 09/21/2025 23:54:17 -74.31, -10.27 105.85 3.34 45
2 09/22/2025 00:44:15 74.21, 157.31 74.08 09/22/2025 00:43:36 74.21, 157.20 74.09 3.49 39
3 09/24/2025 10:15:11 74.33, 14.29 75.13 09/24/2025 10:15:47 74.30, 14.29 75.09 3.29 36
4 09/24/2025 11:05:54 -74.26,-178.22 104.94 09/24/2025 11:05:09 -74.24,-178.18 104.95 2.32 45
5 09/26/2025 20:36:49 -74.33, 38.88 103.94 09/26/2025 20:37:20 -74.30, 38.86 103.97 2.90 31
6 09/26/2025 21:27:33 74.26,-153.63 76.00 09/26/2025 21:26:38 74.26,-153.56 76.01 2.02 55
7 09/29/2025 06:58:28 74.34, 63.46 77.01 09/29/2025 06:58:48 74.35, 63.55 77.01 3.19 20
8 09/29/2025 07:49:11 -74.27,-129.05 103.06 09/29/2025 07:48:11 -74.24,-129.03 103.08 2.65 60
9 10/01/2025 17:20:05 -74.35, 88.03 102.05 10/01/2025 17:20:19 -74.36, 88.14 102.05 3.72 14
10 10/01/2025 18:10:49 74.28,-104.49 77.89 10/01/2025 18:09:38 74.27,-104.40 77.89 3.17 71
11 10/04/2025 02:51:13 -75.06, -56.63 100.35 10/04/2025 02:52:18 -74.97, -53.49 100.58 90.86 65
12 10/04/2025 03:41:43 74.32, 112.69 78.85 10/04/2025 03:41:48 74.31, 112.61 78.85 2.67 5

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/21/2025
SNOs_Map_NOAA-20_TERRA_20250922.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/21/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA