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: 8/31/2023
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 09/02/2023 07:59:18 69.97, 56.30 61.95 09/02/2023 08:00:13 70.00, 56.28 61.97 2.79 55
2 09/02/2023 08:50:00 -69.89,-136.26 118.12 09/02/2023 08:49:43 -69.88,-136.25 118.13 1.05 17
3 09/02/2023 09:40:30 69.02, 32.30 60.99 09/02/2023 09:39:22 69.11, 30.36 61.14 77.91 68
4 09/05/2023 00:16:13 69.95, 172.10 62.91 09/05/2023 00:16:41 69.94, 172.09 62.90 0.76 28
5 09/05/2023 01:06:54 -69.81, -20.38 117.23 09/05/2023 01:06:11 -69.83, -20.43 117.20 2.91 43
6 09/07/2023 15:42:28 -70.22, 120.15 115.85 09/07/2023 15:43:40 -70.15, 120.62 115.93 19.34 72
7 09/07/2023 16:33:09 69.94, -72.12 63.88 09/07/2023 16:33:09 69.93, -72.05 63.87 2.90 0
8 09/07/2023 17:23:50 -69.80, 95.41 116.25 09/07/2023 17:22:39 -69.82, 95.44 116.23 2.58 71
9 09/10/2023 07:59:20 -69.99,-123.75 115.07 09/10/2023 08:00:10 -70.00,-123.70 115.07 1.86 50
10 09/10/2023 08:50:04 69.88, 43.74 64.82 09/10/2023 08:49:37 69.88, 43.79 64.83 2.14 27
11 09/10/2023 09:40:29 -68.89,-147.53 116.18 09/10/2023 09:39:22 -68.95,-149.82 116.06 91.96 67
12 09/12/2023 23:25:49 70.87,-176.69 66.84 09/12/2023 23:26:55 70.75,-174.33 66.67 87.24 66
13 09/13/2023 00:16:15 -69.94, -7.90 114.12 09/13/2023 00:16:38 -69.94, -7.89 114.12 0.25 23
14 09/13/2023 01:06:59 69.82, 159.58 65.78 09/13/2023 01:06:05 69.82, 159.59 65.78 0.29 54

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/31/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230831.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/31/2023 in txt file.

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