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: 2/2/2025
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 02/03/2025 17:20:55 74.08, -91.18 90.76 02/03/2025 17:22:00 73.97, -88.32 90.48 88.24 65
2 02/03/2025 18:11:23 -73.31, 77.94 90.11 02/03/2025 18:11:34 -73.33, 77.98 90.10 2.34 11
3 02/03/2025 19:02:07 73.18,-114.47 89.74 02/03/2025 19:00:54 73.21,-114.57 89.79 4.71 73
4 02/06/2025 04:33:09 73.37, 102.36 89.23 02/06/2025 04:33:55 73.35, 102.39 89.18 3.28 46
5 02/06/2025 05:23:50 -73.25, -90.05 90.92 02/06/2025 05:23:18 -73.28, -90.09 90.89 3.18 32
6 02/08/2025 14:55:02 -73.95, 125.59 90.89 02/08/2025 14:56:10 -73.84, 127.77 91.15 68.37 68
7 02/08/2025 15:45:36 73.33, -65.66 88.41 02/08/2025 15:45:38 73.30, -65.67 88.38 3.08 2
8 02/08/2025 16:36:15 -73.11, 102.15 91.86 02/08/2025 16:35:02 -73.18, 101.75 91.74 15.45 73
9 02/11/2025 02:07:18 -73.37, -41.18 92.34 02/11/2025 02:08:00 -73.38, -41.16 92.35 1.39 42
10 02/11/2025 02:58:03 73.30, 126.30 87.57 02/11/2025 02:57:19 73.31, 126.39 87.59 3.64 44
11 02/13/2025 12:29:06 73.57, -17.08 87.08 02/13/2025 12:30:17 73.47, -16.60 86.93 19.16 71
12 02/13/2025 13:19:45 -73.35, 150.76 93.19 02/13/2025 13:19:41 -73.34, 150.81 93.20 1.70 4
13 02/13/2025 14:10:18 72.67, -40.48 86.05 02/13/2025 14:09:11 72.69, -42.77 86.24 75.73 67
14 02/15/2025 23:41:29 73.36, 175.28 86.00 02/15/2025 23:41:58 73.38, 175.28 86.01 2.17 29
15 02/16/2025 00:32:11 -73.28, -17.22 94.10 02/16/2025 00:31:21 -73.31, -17.21 94.07 3.05 50

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/2/2025
SNOs_Map_NOAA-21_TERRA_20250202.jpg

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

Historial Predications of SNOs between NOAA-21 and TERRA