Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/30/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 10/01/2023 15:42:35 70.48, -60.30 73.64 10/01/2023 15:43:45 70.37, -59.08 73.53 46.79 70
2 10/01/2023 16:33:08 -69.92, 107.88 106.92 10/01/2023 16:33:21 -69.93, 107.92 106.91 2.04 13
3 10/01/2023 17:23:52 69.79, -84.62 72.98 10/01/2023 17:22:49 69.77, -84.65 72.95 2.55 63
4 10/04/2023 07:59:20 69.99, 56.23 74.18 10/04/2023 08:00:21 69.98, 56.23 74.16 1.28 61
5 10/04/2023 08:50:01 -69.85,-136.24 105.95 10/04/2023 08:49:51 -69.87,-136.29 105.94 2.39 10
6 10/04/2023 09:40:36 69.25, 31.93 73.46 10/04/2023 09:39:26 69.32, 30.61 73.54 52.42 70
7 10/07/2023 00:16:13 69.93, 172.09 75.15 10/07/2023 00:16:50 69.93, 172.05 75.14 1.53 37
8 10/07/2023 01:06:55 -69.85, -20.46 104.93 10/07/2023 01:06:20 -69.82, -20.46 104.96 2.82 35
9 10/09/2023 15:42:32 -70.58, 119.55 103.19 10/09/2023 15:43:41 -70.50, 121.13 103.28 59.09 69
10 10/09/2023 16:33:05 69.89, -72.07 76.13 10/09/2023 16:33:17 69.90, -72.10 76.14 1.28 12
11 10/09/2023 17:23:47 -69.80, 95.38 103.96 10/09/2023 17:22:47 -69.79, 95.39 103.96 0.61 60
12 10/12/2023 07:59:14 -69.97,-123.72 102.80 10/12/2023 08:00:18 -69.95,-123.78 102.82 2.98 64
13 10/12/2023 08:49:58 69.86, 43.75 77.11 10/12/2023 08:49:45 69.83, 43.70 77.08 3.37 13
14 10/12/2023 09:40:32 -69.34,-148.18 103.41 10/12/2023 09:39:21 -69.40,-149.25 103.34 42.78 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/30/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230930.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/30/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8