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: 8/30/2024
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 08/31/2024 06:45:21 -70.11,-105.03 118.39 08/31/2024 06:45:49 -70.09,-105.06 118.41 2.86 28
2 08/31/2024 07:36:05 70.00, 62.44 61.52 08/31/2024 07:35:16 69.99, 62.44 61.50 2.04 49
3 09/02/2024 22:11:34 70.33,-156.89 62.80 09/02/2024 22:12:45 70.27,-156.54 62.73 14.70 71
4 09/02/2024 23:02:13 -70.07, 10.82 117.46 09/02/2024 23:02:17 -70.05, 10.78 117.48 3.01 4
5 09/02/2024 23:52:57 69.97, 178.29 62.45 09/02/2024 23:51:44 69.94, 178.27 62.43 2.69 73
6 09/05/2024 14:28:23 70.15, -40.83 63.60 09/05/2024 14:29:13 70.17, -40.79 63.61 2.54 50
7 09/05/2024 15:19:05 -70.05, 126.64 116.49 09/05/2024 15:18:43 -70.06, 126.69 116.49 1.84 22
8 09/05/2024 16:09:32 69.04, -64.58 62.49 09/05/2024 16:08:26 69.06, -67.02 62.57 96.75 66
9 09/08/2024 06:45:14 70.09, 75.05 64.54 09/08/2024 06:45:39 70.11, 75.03 64.56 2.04 25
10 09/08/2024 07:35:56 -70.00,-117.48 115.55 09/08/2024 07:35:09 -70.00,-117.49 115.54 0.84 47
11 09/10/2024 22:11:23 -70.32, 23.19 114.24 09/10/2024 22:12:34 -70.27, 23.52 114.29 13.54 71
12 09/10/2024 23:02:04 70.06,-169.10 65.51 09/10/2024 23:02:03 70.05,-169.15 65.50 2.27 1
13 09/10/2024 23:52:46 -69.96, -1.63 114.58 09/10/2024 23:51:33 -69.94, -1.67 114.59 2.44 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/30/2024
SNOs_Map_NOAA-21_LANDSAT-9_20240830.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/30/2024 in txt file.

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