Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/21/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 12/21/2023 23:51:42 69.93, 178.19 93.30 12/21/2023 23:52:20 69.94, 178.21 93.30 1.68 38
2 12/22/2023 00:42:24 -69.84, -14.36 86.80 12/22/2023 00:41:50 -69.83, -14.31 86.81 2.41 34
3 12/24/2023 15:18:04 -70.61, 125.58 86.02 12/24/2023 15:19:13 -70.52, 127.28 86.16 63.70 69
4 12/24/2023 16:08:36 69.87, -65.95 93.21 12/24/2023 16:08:50 69.87, -66.01 93.21 2.46 14
5 12/24/2023 16:59:18 -69.78, 101.50 86.89 12/24/2023 16:58:20 -69.76, 101.47 86.90 2.84 58
6 12/27/2023 07:34:47 -69.98,-117.66 86.75 12/27/2023 07:35:51 -69.98,-117.62 86.76 1.61 64
7 12/27/2023 08:25:31 69.87, 49.82 93.14 12/27/2023 08:25:18 69.87, 49.87 93.14 1.93 13
8 12/27/2023 09:16:05 -69.36,-142.11 87.40 12/27/2023 09:14:54 -69.43,-143.09 87.30 39.41 71
9 12/29/2023 23:51:41 -69.94, -1.82 86.92 12/29/2023 23:52:19 -69.95, -1.78 86.92 1.57 38
10 12/30/2023 00:42:25 69.83, 165.66 92.97 12/30/2023 00:41:46 69.83, 165.71 92.97 2.09 39
11 01/01/2024 15:18:00 70.43, -54.11 93.41 01/01/2024 15:19:10 70.31, -52.99 93.26 43.72 70
12 01/01/2024 16:08:33 -69.86, 114.08 87.19 01/01/2024 16:08:46 -69.88, 114.02 87.17 3.32 13
13 01/01/2024 16:59:17 69.75, -78.44 92.70 01/01/2024 16:58:13 69.76, -78.49 92.72 2.58 64

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/21/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231221.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/21/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9