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: 9/1/2023
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 07:59:19 70.02, 56.23 62.00 09/02/2023 08:00:13 70.00, 56.28 61.97 2.97 54
2 09/02/2023 08:50:00 -69.89,-136.25 118.13 09/02/2023 08:49:43 -69.89,-136.24 118.13 0.36 17
3 09/02/2023 09:40:30 69.01, 32.31 60.99 09/02/2023 09:39:23 69.06, 30.30 61.09 80.34 67
4 09/05/2023 00:16:13 69.95, 172.11 62.90 09/05/2023 00:16:41 69.95, 172.10 62.90 0.45 28
5 09/05/2023 01:06:55 -69.86, -20.45 117.17 09/05/2023 01:06:11 -69.84, -20.42 117.20 3.18 44
6 09/07/2023 15:42:28 -70.21, 120.15 115.85 09/07/2023 15:43:40 -70.15, 120.62 115.93 19.08 72
7 09/07/2023 16:33:09 69.93, -72.11 63.88 09/07/2023 16:33:09 69.93, -72.04 63.87 2.66 0
8 09/07/2023 17:23:50 -69.80, 95.41 116.25 09/07/2023 17:22:39 -69.82, 95.44 116.22 3.17 71
9 09/10/2023 07:59:20 -69.99,-123.74 115.07 09/10/2023 08:00:10 -70.00,-123.70 115.07 2.03 50
10 09/10/2023 08:50:04 69.87, 43.74 64.82 09/10/2023 08:49:37 69.89, 43.79 64.84 2.63 27
11 09/10/2023 09:40:29 -68.88,-147.53 116.18 09/10/2023 09:39:22 -68.96,-149.82 116.06 92.03 67
12 09/12/2023 23:25:49 70.87,-176.69 66.84 09/12/2023 23:26:55 70.76,-174.33 66.68 87.08 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 0.33 23
14 09/13/2023 01:06:59 69.82, 159.59 65.78 09/13/2023 01:06:05 69.82, 159.59 65.79 0.67 54

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/1/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230901.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/01/2023 in txt file.

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