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: 8/25/2023
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 08/26/2023 16:07:40 -69.98, 114.21 120.41 08/26/2023 16:08:23 -69.98, 114.20 120.41 0.66 43
2 08/26/2023 16:58:24 69.85, -78.29 59.48 08/26/2023 16:57:50 69.88, -78.30 59.51 3.42 34
3 08/29/2023 07:34:07 70.71, 61.51 61.29 08/29/2023 07:35:15 70.57, 63.29 61.09 67.80 68
4 08/29/2023 08:24:36 -69.94,-129.97 119.51 08/29/2023 08:24:54 -69.96,-129.95 119.49 2.87 18
5 08/29/2023 09:15:20 69.82, 37.52 60.38 08/29/2023 09:14:22 69.81, 37.47 60.37 2.12 58
6 08/31/2023 23:50:50 70.00, 178.39 61.49 08/31/2023 23:51:55 70.03, 178.39 61.52 3.61 65
7 09/01/2023 00:41:32 -69.91, -14.16 118.59 09/01/2023 00:41:25 -69.92, -14.13 118.58 1.83 7
8 09/01/2023 01:32:09 69.42, 153.87 60.92 09/01/2023 01:30:58 69.48, 152.91 61.01 37.99 71
9 09/03/2023 16:07:46 69.98, -65.82 62.44 09/03/2023 16:08:26 69.96, -65.83 62.42 2.27 40
10 09/03/2023 16:58:27 -69.83, 101.71 117.70 09/03/2023 16:57:56 -69.85, 101.65 117.68 2.94 31
11 09/06/2023 07:34:09 -70.71,-118.52 115.83 09/06/2023 07:35:17 -70.63,-116.62 115.96 70.53 68
12 09/06/2023 08:24:40 69.91, 50.04 63.36 09/06/2023 08:24:55 69.91, 49.99 63.36 1.94 15
13 09/06/2023 09:15:22 -69.82,-142.51 116.73 09/06/2023 09:14:25 -69.81,-142.52 116.73 1.00 57

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/25/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230825.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/25/2023 in txt file.

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