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: 12/17/2023
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 12/19/2023 07:34:48 69.98, 62.33 93.31 12/19/2023 07:35:51 69.96, 62.35 93.28 2.95 63
2 12/19/2023 08:25:29 -69.84,-130.13 86.84 12/19/2023 08:25:21 -69.85,-130.17 86.83 1.72 8
3 12/19/2023 09:16:05 69.30, 37.96 92.61 12/19/2023 09:14:55 69.36, 36.81 92.69 45.74 70
4 12/21/2023 23:51:43 69.96, 178.14 93.32 12/21/2023 23:52:21 69.94, 178.20 93.30 3.10 38
5 12/22/2023 00:42:24 -69.81, -14.32 86.83 12/22/2023 00:41:51 -69.83, -14.31 86.81 2.23 33
6 12/24/2023 15:18:06 -70.68, 125.47 85.95 12/24/2023 15:19:14 -70.55, 127.33 86.12 69.84 68
7 12/24/2023 16:08:37 69.89, -65.98 93.23 12/24/2023 16:08:51 69.90, -65.98 93.24 1.00 14
8 12/24/2023 16:59:19 -69.79, 101.48 86.87 12/24/2023 16:58:21 -69.79, 101.51 86.87 1.16 58
9 12/27/2023 07:34:47 -69.99,-117.66 86.74 12/27/2023 07:35:52 -70.00,-117.60 86.74 2.85 65
10 12/27/2023 08:25:30 69.83, 49.89 93.09 12/27/2023 08:25:20 69.83, 49.81 93.10 2.94 10
11 12/27/2023 09:16:06 -69.41,-142.19 87.34 12/27/2023 09:14:55 -69.45,-143.07 87.27 34.63 71
12 12/29/2023 23:51:41 -69.93, -1.81 86.93 12/29/2023 23:52:22 -69.91, -1.84 86.95 2.45 41
13 12/30/2023 00:42:25 69.82, 165.66 92.96 12/30/2023 00:41:49 69.80, 165.65 92.94 3.17 36

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/17/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231217.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/17/2023 in txt file.

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