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 -70.80, 133.80 122.21 74.65 68
2 04/24/2023 15:43:00 70.12, -59.64 57.13 04/24/2023 15:43:15 70.09, -59.59 57.10 3.24 15
3 04/24/2023 16:33:41 -69.98, 107.88 123.03 04/24/2023 16:32:45 -69.98, 107.89 123.02 0.39 56
4 04/27/2023 07:09:05 -70.26,-111.38 123.59 04/27/2023 07:10:16 -70.24,-111.16 123.62 8.40 71
5 04/27/2023 07:59:48 70.09, 56.18 56.23 04/27/2023 07:59:44 70.08, 56.26 56.22 3.07 4
6 04/27/2023 08:50:28 -69.90,-136.21 123.98 04/27/2023 08:49:15 -69.92,-136.34 123.95 5.32 73
7 04/29/2023 23:25:52 -70.14, 4.60 124.56 04/29/2023 23:26:48 -70.12, 4.54 124.58 2.59 56
8 04/30/2023 00:16:36 70.03, 172.08 55.32 04/30/2023 00:16:15 70.01, 172.03 55.31 2.44 21
9 04/30/2023 01:07:05 -69.25, -19.47 125.49 04/30/2023 01:05:56 -69.31, -21.30 125.39 72.18 69
10 05/02/2023 15:42:41 -70.13, 120.40 125.38 05/02/2023 15:43:18 -70.11, 120.39 125.40 2.05 37
11 05/02/2023 16:33:25 70.03, -72.13 54.51 05/02/2023 16:32:45 70.00, -72.12 54.48 3.11 40
12 05/05/2023 07:09:00 70.86, 67.71 54.62 05/05/2023 07:10:08 70.75, 69.56 54.45 68.96 68
13 05/05/2023 07:59:29 -70.09,-123.74 126.21 05/05/2023 07:59:48 -70.10,-123.76 126.20 1.78 19
14 05/05/2023 08:50:13 69.98, 43.73 53.68 05/05/2023 08:49:15 69.98, 43.72 53.68 0.14 58

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/22/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230422.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