Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/24/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 03/24/2025 15:20:40 74.32, -61.80 72.98 03/24/2025 15:21:45 74.22, -58.68 72.68 94.82 65
2 03/24/2025 16:11:08 -73.52, 107.47 107.94 03/24/2025 16:11:18 -73.52, 107.49 107.95 0.86 10
3 03/24/2025 17:01:52 73.44, -85.04 71.96 03/24/2025 17:00:39 73.43, -85.02 71.97 1.04 73
4 03/27/2025 02:32:48 73.57, 131.94 71.16 03/27/2025 02:33:22 73.56, 132.01 71.13 2.57 34
5 03/27/2025 03:23:30 -73.45, -60.48 108.99 03/27/2025 03:22:44 -73.44, -60.56 108.99 2.84 46
6 03/29/2025 12:54:26 -73.60, 156.47 109.78 03/29/2025 12:55:25 -73.61, 156.55 109.79 2.90 59
7 03/29/2025 13:45:10 73.53, -36.06 70.14 03/29/2025 13:44:46 73.51, -35.98 70.12 3.09 24
8 03/31/2025 23:16:11 73.99,-179.88 69.71 03/31/2025 23:17:21 73.87,-178.46 69.50 45.79 70
9 04/01/2025 00:06:46 -73.51, -11.44 110.83 04/01/2025 00:06:47 -73.54, -11.47 110.80 3.36 1
10 04/01/2025 00:57:23 73.10, 156.80 68.70 04/01/2025 00:56:13 73.18, 155.46 68.87 43.95 70
11 04/03/2025 10:28:25 73.58, 12.99 68.30 04/03/2025 10:28:47 73.57, 13.03 68.28 2.16 22
12 04/03/2025 11:19:08 -73.50,-179.51 111.80 04/03/2025 11:18:08 -73.51,-179.42 111.79 2.99 60
13 04/05/2025 20:50:02 -73.59, 37.56 112.62 04/05/2025 20:50:46 -73.62, 37.60 112.61 3.38 44
14 04/05/2025 21:40:45 73.49,-154.89 67.26 04/05/2025 21:40:07 73.51,-154.96 67.29 3.05 38

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/24/2025
SNOs_Map_NOAA-21_TERRA_20250324.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/24/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA