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: 4/25/2023
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 04/27/2023 07:09:04 -70.18,-111.25 123.67 04/27/2023 07:10:16 -70.17,-111.26 123.69 1.32 72
2 04/27/2023 07:59:48 70.06, 56.23 56.20 04/27/2023 07:59:43 70.06, 56.24 56.20 0.34 5
3 04/27/2023 08:50:27 -69.82,-136.09 124.06 04/27/2023 08:49:14 -69.90,-136.36 123.98 13.15 73
4 04/29/2023 23:25:53 -70.17, 4.56 124.53 04/29/2023 23:26:44 -70.16, 4.61 124.54 2.12 51
5 04/30/2023 00:16:36 70.05, 172.04 55.35 04/30/2023 00:16:10 70.05, 172.10 55.35 2.53 26
6 04/30/2023 01:07:02 -69.12, -19.29 125.62 04/30/2023 01:05:54 -69.18, -21.45 125.52 85.84 68
7 05/02/2023 15:42:40 -70.11, 120.43 125.40 05/02/2023 15:43:11 -70.12, 120.43 125.39 1.34 31
8 05/02/2023 16:33:24 70.00, -72.09 54.48 05/02/2023 16:32:38 70.01, -72.08 54.49 1.14 46
9 05/05/2023 07:08:53 70.53, 68.26 54.27 05/05/2023 07:10:04 70.43, 69.12 54.14 34.03 71
10 05/05/2023 07:59:29 -70.12,-123.79 126.17 05/05/2023 07:59:38 -70.10,-123.72 126.19 3.54 9
11 05/05/2023 08:50:12 69.96, 43.76 53.66 05/05/2023 08:49:05 69.99, 43.77 53.69 2.73 67
12 05/07/2023 23:25:34 70.13,-175.33 53.10 05/07/2023 23:26:35 70.15,-175.40 53.11 3.32 61
13 05/08/2023 00:16:16 -70.04, -7.87 127.01 05/08/2023 00:16:05 -70.04, -7.91 127.00 1.87 11
14 05/08/2023 01:06:50 69.40, 160.38 52.33 05/08/2023 01:05:40 69.48, 158.96 52.45 55.91 70

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230426.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/25/2023 in txt file.

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