Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and METOP-B Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/27/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (METOP-B) Time (METOP-B) Lat,Lon (METOP-B) SZA (METOP-B ) Distance(km) Time Diff (sec)
1 09/10/2025 08:46:47 -75.05,-145.55 109.41 09/10/2025 08:47:54 -74.99,-142.69 109.64 82.38 67
2 09/10/2025 09:37:28 74.85, 22.34 70.38 09/10/2025 09:38:37 74.82, 24.17 70.23 53.53 69
3 09/10/2025 10:28:10 -74.72,-170.00 109.76 09/10/2025 10:29:22 -74.68,-168.87 109.88 33.46 72
4 09/10/2025 11:18:52 74.57, -2.26 70.08 09/10/2025 11:20:05 74.51, -1.99 70.00 10.33 73
5 09/10/2025 12:09:35 -74.49, 165.26 109.99 09/10/2025 12:10:48 -74.47, 165.23 110.03 2.27 73
6 09/10/2025 13:00:20 74.48, -27.40 70.01 09/10/2025 13:01:27 74.49, -27.38 70.01 1.74 67
7 09/10/2025 13:51:05 -74.50, 139.87 109.96 09/10/2025 13:52:09 -74.50, 139.97 109.98 3.28 64
8 09/10/2025 14:41:50 74.48, -52.79 70.04 09/10/2025 14:42:49 74.47, -52.76 70.02 1.34 59
9 09/10/2025 15:32:34 -74.46, 114.60 109.98 09/10/2025 15:33:31 -74.49, 114.59 109.96 3.30 57
10 09/10/2025 16:23:19 74.44, -78.05 70.02 09/10/2025 16:24:11 74.46, -78.15 70.03 3.27 52
11 09/10/2025 17:14:04 -74.46, 89.21 109.95 09/10/2025 17:14:53 -74.47, 89.20 109.95 0.61 49
12 09/10/2025 18:04:49 74.45,-103.45 70.06 09/10/2025 18:05:33 74.44,-103.54 70.04 2.91 44
13 09/10/2025 18:55:34 -74.47, 63.82 109.91 09/10/2025 18:56:15 -74.45, 63.82 109.94 2.12 41
14 09/10/2025 19:46:19 74.46,-128.84 70.09 09/10/2025 19:46:54 74.47,-128.80 70.09 2.02 35
15 09/10/2025 20:37:03 -74.43, 38.55 109.93 09/10/2025 20:37:37 -74.43, 38.43 109.93 3.68 34

Figure of NOAA-20 and METOP-B satellite orbits during SNOs since TLE Epoch: 8/27/2025
SNOs_Map_NOAA-20_METOP-B_20250828.jpg

Download SNOs between NOAA-20 and METOP-B since TLE EPOCH: 08/27/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and METOP-B