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: 2/25/2025
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 02/25/2025 17:59:16 -74.15, 79.02 96.66 02/25/2025 18:00:22 -74.07, 81.89 96.92 87.49 66
2 02/25/2025 18:49:47 73.38,-111.86 82.48 02/25/2025 18:49:54 73.37,-111.94 82.46 3.24 7
3 02/25/2025 19:40:29 -73.31, 55.63 97.63 02/25/2025 19:39:16 -73.31, 55.60 97.61 0.83 73
4 02/28/2025 05:11:28 -73.44, -87.41 98.38 02/28/2025 05:12:10 -73.43, -87.43 98.41 1.48 42
5 02/28/2025 06:02:13 73.38, 80.05 81.53 02/28/2025 06:01:30 73.35, 80.09 81.52 2.90 43
6 03/02/2025 15:33:11 73.48, -62.92 80.73 03/02/2025 15:34:23 73.48, -62.92 80.71 0.39 72
7 03/02/2025 16:23:52 -73.39, 104.59 99.38 03/02/2025 16:23:44 -73.41, 104.60 99.36 2.34 8
8 03/02/2025 17:14:22 72.57, -86.35 79.70 03/02/2025 17:13:17 72.65, -89.21 79.97 95.37 65
9 03/05/2025 02:45:35 73.45, 129.04 79.74 03/05/2025 02:45:56 73.47, 129.12 79.75 3.30 21
10 03/05/2025 03:36:17 -73.36, -63.44 100.38 03/05/2025 03:35:19 -73.35, -63.47 100.38 1.73 58
11 03/07/2025 13:07:15 -73.48, 153.55 101.18 03/07/2025 13:08:10 -73.47, 153.52 101.20 1.11 55
12 03/07/2025 13:57:59 73.38, -38.92 78.70 03/07/2025 13:57:30 73.40, -38.95 78.73 2.51 29
13 03/09/2025 23:29:05 73.92, 177.09 78.36 03/09/2025 23:30:14 73.85, 178.73 78.18 51.18 69
14 03/10/2025 00:19:40 -73.47, -14.54 102.16 03/10/2025 00:19:42 -73.46, -14.43 102.18 3.59 2

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/25/2025
SNOs_Map_NOAA-21_TERRA_20250225.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/25/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA