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: 8/29/2025
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 08/31/2025 03:29:24 -74.19, -63.95 114.12 08/31/2025 03:29:37 -74.18, -63.91 114.13 1.65 13
2 08/31/2025 04:20:08 74.11, 103.56 65.80 08/31/2025 04:18:56 74.11, 103.60 65.82 1.05 72
3 09/02/2025 13:00:35 -74.98, 151.20 112.36 09/02/2025 13:01:40 -74.89, 154.64 112.66 99.95 65
4 09/02/2025 13:51:03 74.18, -39.34 66.74 09/02/2025 13:51:10 74.19, -39.34 66.75 0.91 7
5 09/02/2025 14:41:46 -74.11, 128.14 113.32 09/02/2025 14:40:32 -74.12, 128.19 113.30 1.95 74
6 09/04/2025 23:22:10 74.79, 176.33 68.30 09/04/2025 23:23:17 74.66, 178.64 68.03 69.33 67
7 09/05/2025 00:12:42 -74.19, -14.77 112.37 09/05/2025 00:12:47 -74.19, -14.78 112.37 0.64 5
8 09/05/2025 01:03:20 73.82, 153.46 67.23 09/05/2025 01:02:10 73.89, 152.23 67.39 38.78 70
9 09/07/2025 09:43:46 -74.65,-158.70 110.97 09/07/2025 09:44:56 -74.54,-157.09 111.18 49.24 70
10 09/07/2025 10:34:22 74.19, 9.81 68.54 09/07/2025 10:34:20 74.18, 9.77 68.53 1.40 2
11 09/07/2025 11:24:58 -73.78, 178.14 111.92 09/07/2025 11:23:48 -73.82, 176.64 111.77 46.72 70
12 09/09/2025 20:05:21 74.42,-133.51 69.68 09/09/2025 20:06:32 74.36,-132.96 69.57 18.30 71
13 09/09/2025 20:56:01 -74.20, 34.37 110.55 09/09/2025 20:55:56 -74.21, 34.37 110.55 0.55 5
14 09/09/2025 21:46:32 73.49,-156.61 68.68 09/09/2025 21:45:26 73.52,-159.42 68.88 88.90 66
15 09/12/2025 06:26:58 -74.34,-108.70 109.51 09/12/2025 06:28:09 -74.31,-108.51 109.56 6.41 71
16 09/12/2025 07:17:41 74.23, 58.90 70.39 09/12/2025 07:17:28 74.20, 58.92 70.36 3.09 13

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_NOAA-20_TERRA_20250830.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 08/29/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA