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: 6/29/2023
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 07/01/2023 15:17:36 -70.05, 126.70 133.07 07/01/2023 15:18:31 -70.05, 126.65 133.07 2.07 55
2 07/01/2023 16:08:20 69.93, -65.82 46.82 07/01/2023 16:07:58 69.95, -65.85 46.84 1.92 22
3 07/01/2023 16:58:48 -69.10, 102.70 134.05 07/01/2023 16:57:40 -69.18, 100.74 133.89 78.03 68
4 07/04/2023 07:34:29 -70.01,-117.47 132.90 07/04/2023 07:35:05 -70.02,-117.53 132.90 2.54 36
5 07/04/2023 08:25:13 69.90, 50.00 47.00 07/04/2023 08:24:32 69.91, 49.96 47.01 1.79 41
6 07/06/2023 23:00:51 70.66,-170.03 48.05 07/06/2023 23:02:00 70.55,-168.51 47.88 57.24 69
7 07/06/2023 23:51:23 -70.03, -1.73 132.62 07/06/2023 23:51:38 -70.01, -1.67 132.64 3.03 15
8 07/07/2023 00:42:06 69.87, 165.81 47.23 07/07/2023 00:41:05 69.91, 165.83 47.27 3.55 61
9 07/09/2023 15:17:33 70.06, -53.31 47.72 07/09/2023 15:18:41 70.09, -53.32 47.74 3.46 68
10 07/09/2023 16:08:15 -69.95, 114.16 132.39 07/09/2023 16:08:12 -69.93, 114.09 132.41 3.65 3
11 07/09/2023 16:58:53 69.59, -77.99 47.23 07/09/2023 16:57:41 69.66, -78.65 47.34 26.66 72
12 07/12/2023 07:34:25 70.04, 62.48 48.05 07/12/2023 07:35:13 70.04, 62.47 48.04 0.77 48
13 07/12/2023 08:25:07 -69.93,-130.04 132.06 07/12/2023 08:24:43 -69.94,-130.03 132.06 0.27 24

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230629.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/29/2023 in txt file.

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