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: 12/11/2023
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 12/11/2023 07:34:44 -69.94,-117.59 87.18 12/11/2023 07:35:48 -69.95,-117.64 87.17 2.55 64
2 12/11/2023 08:25:28 69.82, 49.89 92.71 12/11/2023 08:25:15 69.85, 49.86 92.74 3.11 13
3 12/11/2023 09:16:02 -69.31,-142.04 87.81 12/11/2023 09:14:51 -69.41,-143.10 87.70 43.26 71
4 12/13/2023 23:51:40 -69.94, -1.82 86.98 12/13/2023 23:52:19 -69.96, -1.76 86.96 2.84 39
5 12/14/2023 00:42:24 69.83, 165.66 92.92 12/14/2023 00:41:47 69.80, 165.66 92.88 3.51 37
6 12/16/2023 15:18:04 70.57, -54.35 93.82 12/16/2023 15:19:13 70.43, -52.84 93.66 58.26 69
7 12/16/2023 16:08:35 -69.89, 114.02 86.88 12/16/2023 16:08:51 -69.89, 114.02 86.88 0.57 16
8 12/16/2023 16:59:19 69.78, -78.51 93.02 12/16/2023 16:58:18 69.78, -78.49 93.02 0.80 61
9 12/19/2023 07:34:48 69.95, 62.38 93.28 12/19/2023 07:35:52 69.96, 62.36 93.28 1.33 64
10 12/19/2023 08:25:30 -69.85,-130.15 86.83 12/19/2023 08:25:22 -69.86,-130.15 86.82 0.53 8
11 12/19/2023 09:16:06 69.32, 37.93 92.63 12/19/2023 09:14:56 69.36, 36.82 92.70 44.09 70
12 12/21/2023 23:51:42 69.92, 178.20 93.28 12/21/2023 23:52:22 69.91, 178.17 93.27 1.75 40
13 12/22/2023 00:42:24 -69.82, -14.33 86.82 12/22/2023 00:41:52 -69.81, -14.34 86.83 1.06 32
14 12/24/2023 15:18:06 -70.68, 125.47 85.95 12/24/2023 15:19:14 -70.62, 127.42 86.06 72.04 68
15 12/24/2023 16:08:37 69.89, -65.99 93.24 12/24/2023 16:08:52 69.90, -65.97 93.24 0.81 15
16 12/24/2023 16:59:19 -69.79, 101.48 86.87 12/24/2023 16:58:22 -69.80, 101.52 86.86 1.86 57

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/11/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231211.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/11/2023 in txt file.

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