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: 4/18/2025
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 04/19/2025 07:54:11 73.55, 51.17 62.44 04/19/2025 07:55:03 73.54, 51.10 62.42 2.28 52
2 04/19/2025 08:44:53 -73.50,-141.41 117.63 04/19/2025 08:44:23 -73.50,-141.32 117.64 2.60 30
3 04/21/2025 18:15:54 -73.61, 75.60 118.33 04/21/2025 18:16:58 -73.60, 75.69 118.36 3.08 64
4 04/21/2025 19:06:38 73.52,-116.87 61.55 04/21/2025 19:06:18 73.52,-116.81 61.56 2.14 20
5 04/24/2025 04:37:40 73.69, 99.98 60.94 04/24/2025 04:38:52 73.63, 100.23 60.85 10.01 72
6 04/24/2025 05:28:21 -73.53, -92.33 119.25 04/24/2025 05:28:14 -73.55, -92.27 119.23 3.09 7
7 04/24/2025 06:18:52 72.79, 76.61 59.93 04/24/2025 06:17:46 72.82, 73.96 60.12 87.16 66
8 04/26/2025 14:59:32 -74.15, 123.44 119.34 04/26/2025 15:00:40 -74.06, 125.60 119.57 66.76 68
9 04/26/2025 15:50:05 73.52, -67.74 59.95 04/26/2025 15:50:08 73.54, -67.83 59.97 3.01 3
10 04/26/2025 16:40:45 -73.31, 100.05 120.30 04/26/2025 16:39:32 -73.36, 99.48 120.20 19.22 73
11 04/29/2025 02:11:49 -73.59, -43.33 120.74 04/29/2025 02:12:03 -73.57, -43.30 120.78 3.34 14
12 04/29/2025 03:02:33 73.51, 124.16 59.16 04/29/2025 03:01:22 73.51, 124.26 59.16 3.07 71
13 05/01/2025 12:33:33 73.61, -18.80 58.53 05/01/2025 12:33:54 73.61, -18.71 58.53 2.76 21

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/18/2025
SNOs_Map_NOAA-20_TERRA_20250418.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/18/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA