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: 11/27/2023
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 11/27/2023 23:51:33 -69.92, -1.76 88.98 11/27/2023 23:52:20 -69.94, -1.79 88.96 2.51 47
2 11/28/2023 00:42:17 69.81, 165.71 90.92 11/28/2023 00:41:47 69.84, 165.72 90.95 3.37 30
3 11/30/2023 15:18:01 70.70, -54.54 92.28 11/30/2023 15:19:09 70.60, -52.58 92.16 73.10 68
4 11/30/2023 16:08:29 -69.86, 114.08 88.57 11/30/2023 16:08:50 -69.89, 114.02 88.55 3.48 21
5 11/30/2023 16:59:13 69.76, -78.45 91.33 11/30/2023 16:58:17 69.78, -78.48 91.35 3.08 56
6 12/03/2023 07:34:44 69.98, 62.36 91.95 12/03/2023 07:35:49 69.95, 62.36 91.92 2.95 65
7 12/03/2023 08:25:26 -69.87,-130.17 88.16 12/03/2023 08:25:19 -69.84,-130.16 88.19 3.54 7
8 12/03/2023 09:16:03 69.40, 37.84 91.37 12/03/2023 09:14:51 69.46, 36.96 91.44 35.10 72
9 12/05/2023 23:51:38 69.90, 178.25 92.22 12/05/2023 23:52:16 69.92, 178.20 92.24 3.01 38
10 12/06/2023 00:42:20 -69.79, -14.28 87.88 12/06/2023 00:41:46 -69.81, -14.31 87.86 2.58 34
11 12/08/2023 15:18:00 -70.51, 125.76 86.85 12/08/2023 15:19:09 -70.39, 127.13 86.99 52.31 69
12 12/08/2023 16:08:34 69.88, -65.96 92.52 12/08/2023 16:08:43 69.89, -65.94 92.53 1.56 9
13 12/08/2023 16:59:16 -69.77, 101.52 87.59 12/08/2023 16:58:13 -69.79, 101.55 87.58 2.11 63

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231127.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/27/2023 in txt file.

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