Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/18/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 08/18/2023 16:07:37 69.99, -65.78 56.94 08/18/2023 16:08:14 69.96, -65.80 56.90 3.31 37
2 08/18/2023 16:58:18 -69.85, 101.74 123.20 08/18/2023 16:57:44 -69.84, 101.67 123.21 3.12 34
3 08/21/2023 07:33:57 -70.52,-118.16 121.65 08/21/2023 07:35:07 -70.43,-116.88 121.79 48.70 70
4 08/21/2023 08:24:32 69.93, 50.07 57.75 08/21/2023 08:24:41 69.95, 50.07 57.76 1.98 9
5 08/21/2023 09:15:14 -69.84,-142.48 122.34 08/21/2023 09:14:11 -69.83,-142.46 122.34 1.45 63
6 08/23/2023 23:50:44 -69.99, -1.58 121.31 08/23/2023 23:51:42 -70.01, -1.59 121.30 2.12 58
7 08/24/2023 00:41:28 69.88, 165.91 58.58 08/24/2023 00:41:09 69.91, 165.90 58.62 3.41 19
8 08/24/2023 01:31:58 -69.15, -25.73 122.16 08/24/2023 01:30:49 -69.24, -27.36 122.01 65.47 69
9 08/26/2023 16:07:40 -69.94, 114.26 120.44 08/26/2023 16:08:10 -69.95, 114.21 120.44 1.92 30
10 08/26/2023 16:58:24 69.83, -78.26 59.45 08/26/2023 16:57:37 69.84, -78.30 59.47 1.87 47
11 08/29/2023 07:33:55 70.05, 62.54 60.59 08/29/2023 07:35:07 70.01, 62.57 60.55 3.78 72
12 08/29/2023 08:24:36 -69.90,-129.92 119.55 08/29/2023 08:24:37 -69.91,-129.95 119.54 1.51 1
13 08/29/2023 09:15:18 69.68, 37.72 60.24 08/29/2023 09:14:05 69.74, 37.46 60.31 11.90 73
14 08/31/2023 23:50:49 69.96, 178.44 61.46 08/31/2023 23:51:33 69.95, 178.37 61.44 3.02 44
15 09/01/2023 00:41:31 -69.87, -14.10 118.63 09/01/2023 00:41:03 -69.84, -14.14 118.65 2.68 28

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/18/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230818.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9