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: 4/22/2023
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 04/24/2023 14:52:29 -70.91, 131.78 122.04 04/24/2023 14:53:37 -70.77, 133.76 122.23 73.89 68
2 04/24/2023 15:42:59 70.06, -59.56 57.07 04/24/2023 15:43:15 70.06, -59.63 57.07 2.70 16
3 04/24/2023 16:33:41 -69.98, 107.88 123.03 04/24/2023 16:32:45 -69.95, 107.85 123.05 3.34 56
4 04/27/2023 07:09:04 -70.20,-111.29 123.65 04/27/2023 07:10:15 -70.22,-111.19 123.65 4.09 71
5 04/27/2023 07:59:47 70.04, 56.27 56.18 04/27/2023 07:59:43 70.05, 56.22 56.19 2.37 4
6 04/27/2023 08:50:27 -69.85,-136.13 124.04 04/27/2023 08:49:14 -69.89,-136.37 123.98 10.49 73
7 04/29/2023 23:25:52 -70.13, 4.61 124.56 04/29/2023 23:26:45 -70.12, 4.55 124.58 2.57 53
8 04/30/2023 00:16:36 70.02, 172.08 55.32 04/30/2023 00:16:12 70.01, 172.04 55.30 2.36 24
9 04/30/2023 01:07:03 -69.14, -19.32 125.60 04/30/2023 01:05:55 -69.19, -21.44 125.50 84.12 68
10 05/02/2023 15:42:41 -70.12, 120.41 125.38 05/02/2023 15:43:13 -70.10, 120.40 125.41 2.30 32
11 05/02/2023 16:33:25 70.02, -72.12 54.50 05/02/2023 16:32:40 69.99, -72.12 54.47 3.24 45
12 05/05/2023 07:08:55 70.59, 68.16 54.33 05/05/2023 07:10:05 70.48, 69.20 54.19 40.32 70
13 05/05/2023 07:59:29 -70.07,-123.72 126.22 05/05/2023 07:59:41 -70.05,-123.79 126.24 3.38 12
14 05/05/2023 08:50:13 69.97, 43.75 53.67 05/05/2023 08:49:07 69.99, 43.77 53.69 2.55 66

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/22/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230423.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/22/2023 in txt file.

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