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: 3/6/2023
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 03/07/2023 14:53:18 -70.13, 132.89 104.63 03/07/2023 14:54:17 -70.13, 132.84 104.64 1.58 59
2 03/07/2023 15:44:02 70.01, -59.63 75.24 03/07/2023 15:43:44 70.03, -59.65 75.25 1.80 18
3 03/07/2023 16:34:33 -69.34, 108.67 105.49 03/07/2023 16:33:23 -69.41, 107.14 105.34 60.43 70
4 03/10/2023 07:10:11 -70.13,-111.34 105.68 03/10/2023 07:10:42 -70.11,-111.29 105.71 2.59 31
5 03/10/2023 08:00:55 70.01, 56.13 74.19 03/10/2023 08:00:09 70.01, 56.21 74.19 3.07 46
6 03/12/2023 22:36:25 70.34,-163.23 73.51 03/12/2023 22:37:36 70.27,-162.80 73.40 17.99 71
7 03/12/2023 23:27:03 -70.04, 4.56 106.84 03/12/2023 23:27:08 -70.05, 4.51 106.83 2.17 5
8 03/13/2023 00:17:47 69.93, 172.03 73.04 03/13/2023 00:16:35 69.94, 172.00 73.06 1.45 72
9 03/15/2023 14:53:14 70.12, -47.11 72.20 03/15/2023 14:54:02 70.14, -47.09 72.22 3.15 48
10 03/15/2023 15:43:56 -70.02, 120.36 107.92 03/15/2023 15:43:32 -70.03, 120.39 107.90 1.88 24
11 03/18/2023 06:19:39 -71.06,-100.15 107.86 03/18/2023 06:20:45 -70.95, -97.63 108.06 92.00 66
12 03/18/2023 07:10:06 70.07, 68.75 71.09 03/18/2023 07:10:26 70.07, 68.71 71.09 1.64 20
13 03/18/2023 08:00:48 -69.96,-123.78 109.04 03/18/2023 07:59:56 -69.96,-123.81 109.03 0.97 52

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/6/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230306.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/06/2023 in txt file.

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