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: 11/29/2023
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 11/30/2023 15:18:01 70.72, -54.57 92.30 11/30/2023 15:19:08 70.63, -52.54 92.19 75.42 67
2 11/30/2023 16:08:29 -69.89, 114.05 88.55 11/30/2023 16:08:49 -69.91, 114.05 88.53 2.56 20
3 11/30/2023 16:59:13 69.77, -78.47 91.35 11/30/2023 16:58:17 69.75, -78.53 91.32 3.36 56
4 12/03/2023 07:34:43 69.95, 62.41 91.92 12/03/2023 07:35:48 69.96, 62.38 91.93 1.97 65
5 12/03/2023 08:25:25 -69.85,-130.13 88.18 12/03/2023 08:25:18 -69.85,-130.14 88.18 0.72 7
6 12/03/2023 09:16:02 69.37, 37.88 91.34 12/03/2023 09:14:51 69.41, 36.90 91.39 38.68 71
7 12/05/2023 23:51:39 69.93, 178.20 92.26 12/05/2023 23:52:16 69.91, 178.19 92.24 1.79 37
8 12/06/2023 00:42:21 -69.83, -14.33 87.85 12/06/2023 00:41:46 -69.80, -14.32 87.87 2.53 35
9 12/08/2023 15:17:58 -70.44, 125.86 86.92 12/08/2023 15:19:08 -70.37, 127.09 87.01 46.68 70
10 12/08/2023 16:08:33 69.87, -65.94 92.50 12/08/2023 16:08:42 69.87, -65.97 92.50 1.26 9
11 12/08/2023 16:59:15 -69.77, 101.53 87.60 12/08/2023 16:58:12 -69.76, 101.51 87.60 0.70 63
12 12/11/2023 07:34:45 -69.98,-117.64 87.14 12/11/2023 07:35:41 -69.95,-117.61 87.17 3.23 56
13 12/11/2023 08:25:28 69.82, 49.90 92.71 12/11/2023 08:25:08 69.84, 49.88 92.72 1.55 20

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231129.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/29/2023 in txt file.

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