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: 4/17/2023
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 04/19/2023 07:09:21 70.14, 68.75 58.96 04/19/2023 07:10:15 70.15, 68.75 58.97 1.13 54
2 04/19/2023 08:00:03 -70.05,-123.80 121.14 04/19/2023 07:59:45 -70.03,-123.78 121.16 2.44 18
3 04/19/2023 08:50:32 69.14, 44.83 57.91 04/19/2023 08:49:25 69.21, 42.75 58.04 82.80 67
4 04/21/2023 23:26:10 70.09,-175.39 58.00 04/21/2023 23:26:42 70.12,-175.41 58.02 3.11 32
5 04/22/2023 00:16:52 -70.01, -7.95 122.11 04/22/2023 00:16:12 -70.01, -7.93 122.10 0.58 40
6 04/24/2023 14:52:24 -70.70, 132.13 122.26 04/24/2023 14:53:33 -70.60, 133.53 122.40 52.59 69
7 04/24/2023 15:42:58 70.06, -59.56 57.07 04/24/2023 15:43:08 70.05, -59.62 57.06 2.64 10
8 04/24/2023 16:33:40 -69.98, 107.89 123.03 04/24/2023 16:32:37 -70.00, 107.94 123.01 3.18 63
9 04/27/2023 07:09:03 -70.15,-111.22 123.70 04/27/2023 07:10:06 -70.17,-111.22 123.69 1.48 63
10 04/27/2023 07:59:47 70.05, 56.26 56.19 04/27/2023 07:59:33 70.05, 56.27 56.19 0.64 14
11 04/27/2023 08:50:21 -69.53,-135.67 124.36 04/27/2023 08:49:10 -69.56,-136.78 124.30 43.27 71
12 04/29/2023 23:25:52 -70.15, 4.58 124.54 04/29/2023 23:26:31 -70.13, 4.62 124.57 2.75 39
13 04/30/2023 00:16:35 69.99, 172.13 55.29 04/30/2023 00:15:58 70.01, 172.10 55.31 2.20 37

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/17/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230418.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/17/2023 in txt file.

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