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: 12/4/2023
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 12/05/2023 23:51:38 69.90, 178.25 92.23 12/05/2023 23:52:15 69.92, 178.21 92.25 2.98 37
2 12/06/2023 00:42:20 -69.80, -14.29 87.87 12/06/2023 00:41:45 -69.81, -14.32 87.87 1.14 35
3 12/08/2023 15:17:58 -70.43, 125.89 86.94 12/08/2023 15:19:09 -70.32, 127.02 87.06 43.79 71
4 12/08/2023 16:08:34 69.90, -65.98 92.53 12/08/2023 16:08:42 69.88, -65.96 92.51 2.28 8
5 12/08/2023 16:59:15 -69.75, 101.56 87.62 12/08/2023 16:58:12 -69.77, 101.52 87.60 2.83 63
6 12/11/2023 07:34:45 -69.96,-117.62 87.15 12/11/2023 07:35:41 -69.96,-117.59 87.16 1.17 56
7 12/11/2023 08:25:29 69.86, 49.85 92.75 12/11/2023 08:25:08 69.85, 49.90 92.74 2.21 21
8 12/11/2023 09:15:58 -69.07,-141.70 88.06 12/11/2023 09:14:49 -69.13,-143.43 87.97 68.98 69
9 12/13/2023 23:51:38 -69.89, -1.73 87.03 12/13/2023 23:52:06 -69.90, -1.79 87.02 2.30 28
10 12/14/2023 00:42:22 69.78, 165.73 92.87 12/14/2023 00:41:33 69.78, 165.70 92.87 1.24 49
11 12/16/2023 15:17:51 69.98, -53.42 93.22 12/16/2023 15:19:00 70.00, -53.37 93.23 3.29 69
12 12/16/2023 16:08:33 -69.88, 114.05 86.90 12/16/2023 16:08:30 -69.90, 114.12 86.88 3.43 3
13 12/16/2023 16:59:13 69.56, -78.17 92.79 12/16/2023 16:58:00 69.61, -78.63 92.85 18.53 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/4/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231204.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/04/2023 in txt file.

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