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: 10/11/2023
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 10/12/2023 07:59:13 -69.97,-123.72 102.80 10/12/2023 08:00:25 -69.97,-123.79 102.80 2.66 72
2 10/12/2023 08:49:57 69.85, 43.76 77.10 10/12/2023 08:49:52 69.87, 43.71 77.11 2.67 5
3 10/12/2023 09:40:36 -69.61,-148.56 103.14 10/12/2023 09:39:24 -69.64,-148.96 103.10 16.08 72
4 10/15/2023 00:16:06 -69.97, -7.94 101.80 10/15/2023 00:16:54 -69.98, -7.90 101.79 1.75 48
5 10/15/2023 01:06:50 69.85, 159.54 78.10 10/15/2023 01:06:21 69.87, 159.59 78.12 2.70 29
6 10/17/2023 15:42:33 70.92, -60.98 80.14 10/17/2023 15:43:39 70.81, -58.43 80.02 94.04 66
7 10/17/2023 16:32:58 -69.93, 107.90 100.86 10/17/2023 16:33:23 -69.94, 107.93 100.85 1.41 25
8 10/17/2023 17:23:42 69.82, -84.63 79.05 10/17/2023 17:22:50 69.82, -84.58 79.06 1.91 52
9 10/20/2023 07:59:09 70.05, 56.17 80.23 10/20/2023 08:00:21 70.01, 56.28 80.19 6.61 72
10 10/20/2023 08:49:50 -69.90,-136.28 99.91 10/20/2023 08:49:51 -69.90,-136.23 99.91 2.06 1
11 10/20/2023 09:40:31 69.69, 31.34 79.90 10/20/2023 09:39:18 69.73, 31.18 79.93 7.68 73
12 10/23/2023 00:15:58 69.94, 172.12 81.07 10/23/2023 00:16:48 69.93, 172.06 81.05 3.02 50
13 10/23/2023 01:06:40 -69.84, -20.41 99.02 10/23/2023 01:06:18 -69.82, -20.45 99.04 2.45 22

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/11/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231011.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/11/2023 in txt file.

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