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: 4/22/2025
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 04/24/2025 04:37:41 73.73, 99.88 60.99 04/24/2025 04:38:52 73.64, 100.24 60.86 15.18 71
2 04/24/2025 05:28:21 -73.53, -92.33 119.25 04/24/2025 05:28:15 -73.50, -92.38 119.27 3.23 6
3 04/24/2025 06:18:52 72.78, 76.62 59.92 04/24/2025 06:17:46 72.83, 73.98 60.13 87.21 66
4 04/26/2025 14:59:32 -74.15, 123.44 119.34 04/26/2025 15:00:40 -74.06, 125.61 119.56 66.91 68
5 04/26/2025 15:50:06 73.57, -67.85 60.00 04/26/2025 15:50:08 73.55, -67.81 59.98 2.50 2
6 04/26/2025 16:40:45 -73.31, 100.06 120.30 04/26/2025 16:39:32 -73.37, 99.49 120.20 19.19 73
7 04/29/2025 02:11:49 -73.59, -43.33 120.74 04/29/2025 02:12:03 -73.58, -43.28 120.77 2.57 14
8 04/29/2025 03:02:32 73.46, 124.29 59.10 04/29/2025 03:01:23 73.47, 124.18 59.13 3.58 69
9 05/01/2025 12:33:33 73.61, -18.79 58.53 05/01/2025 12:33:55 73.59, -18.77 58.50 2.46 22
10 05/01/2025 13:24:16 -73.54, 148.68 121.56 05/01/2025 13:23:17 -73.53, 148.77 121.56 3.11 59
11 05/03/2025 22:55:15 -73.64, 5.71 122.16 05/03/2025 22:55:48 -73.62, 5.77 122.19 3.10 33
12 05/03/2025 23:45:58 73.52, 173.31 57.70 05/03/2025 23:45:07 73.55, 173.30 57.74 3.40 51
13 05/06/2025 09:16:58 73.63, 30.31 57.14 05/06/2025 09:17:38 73.65, 30.32 57.15 1.98 40
14 05/06/2025 10:07:41 -73.55,-162.20 122.96 05/06/2025 10:07:01 -73.55,-162.22 122.95 0.61 40

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/22/2025
SNOs_Map_NOAA-20_TERRA_20250423.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/22/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA