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: 3/25/2023
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 03/26/2023 07:09:57 -70.11,-111.31 112.04 03/26/2023 07:10:36 -70.11,-111.31 112.05 0.13 39
2 03/26/2023 08:00:41 70.00, 56.17 67.83 03/26/2023 08:00:03 70.01, 56.19 67.84 1.35 38
3 03/28/2023 22:36:17 70.73,-163.83 67.57 03/28/2023 22:37:26 70.65,-162.28 67.43 57.85 69
4 03/28/2023 23:26:48 -70.07, 4.54 113.15 03/28/2023 23:27:05 -70.05, 4.47 113.17 3.36 17
5 03/29/2023 00:17:32 69.95, 172.02 66.73 03/29/2023 00:16:32 69.94, 171.97 66.72 2.52 60
6 03/31/2023 14:52:56 70.13, -47.09 65.89 03/31/2023 14:54:01 70.14, -47.14 65.89 2.69 65
7 03/31/2023 15:43:38 -70.03, 120.37 114.23 03/31/2023 15:43:31 -70.03, 120.34 114.23 1.34 7
8 03/31/2023 16:34:15 69.55, -71.61 65.26 03/31/2023 16:33:04 69.59, -72.63 65.34 39.77 71
9 04/03/2023 07:09:47 70.11, 68.71 64.84 04/03/2023 07:10:27 70.12, 68.72 64.84 1.10 40
10 04/03/2023 08:00:29 -70.02,-123.82 115.28 04/03/2023 07:59:57 -70.02,-123.80 115.28 0.93 32
11 04/05/2023 22:36:07 -70.90, 15.93 115.36 04/05/2023 22:37:15 -70.77, 17.91 115.56 73.64 68
12 04/05/2023 23:26:37 70.06,-175.43 63.76 04/05/2023 23:26:53 70.05,-175.50 63.74 3.24 16
13 04/06/2023 00:17:19 -69.97, -7.96 116.36 04/06/2023 00:16:23 -69.94, -8.01 116.38 3.21 56

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/25/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230325.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/25/2023 in txt file.

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