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: 4/15/2025
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 04/16/2025 21:32:26 -73.54, 26.63 116.73 04/16/2025 21:33:07 -73.54, 26.62 116.74 0.53 41
2 04/16/2025 22:23:10 73.44,-165.83 63.15 04/16/2025 22:22:27 73.47,-165.85 63.19 3.49 43
3 04/19/2025 07:54:10 73.55, 51.18 62.43 04/19/2025 07:55:02 73.54, 51.09 62.41 2.90 52
4 04/19/2025 08:44:53 -73.49,-141.39 117.64 04/19/2025 08:44:23 -73.50,-141.32 117.64 2.06 30
5 04/21/2025 18:15:54 -73.61, 75.61 118.34 04/21/2025 18:16:58 -73.59, 75.66 118.38 2.49 64
6 04/21/2025 19:06:38 73.51,-116.87 61.55 04/21/2025 19:06:18 73.50,-116.85 61.54 1.66 20
7 04/24/2025 04:37:40 73.69, 99.99 60.94 04/24/2025 04:38:51 73.64, 100.25 60.86 9.77 71
8 04/24/2025 05:28:21 -73.53, -92.32 119.26 04/24/2025 05:28:14 -73.51, -92.35 119.27 1.79 7
9 04/24/2025 06:18:51 72.74, 76.72 59.87 04/24/2025 06:17:46 72.78, 73.88 60.08 93.71 65
10 04/26/2025 14:59:31 -74.10, 123.57 119.40 04/26/2025 15:00:40 -73.99, 125.46 119.63 59.09 69
11 04/26/2025 15:50:06 73.57, -67.86 60.01 04/26/2025 15:50:06 73.57, -67.76 59.99 3.31 0
12 04/26/2025 16:40:44 -73.26, 100.17 120.36 04/26/2025 16:39:32 -73.29, 99.34 120.26 26.79 72
13 04/29/2025 02:11:48 -73.54, -43.22 120.80 04/29/2025 02:12:01 -73.56, -43.29 120.78 3.08 13

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/15/2025
SNOs_Map_NOAA-20_TERRA_20250415.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA