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: 11/26/2023
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 11/27/2023 23:51:34 -69.95, -1.81 88.95 11/27/2023 23:52:20 -69.94, -1.78 88.95 1.09 46
2 11/28/2023 00:42:18 69.84, 165.67 90.95 11/28/2023 00:41:47 69.84, 165.72 90.95 1.96 31
3 11/30/2023 15:18:00 70.69, -54.52 92.26 11/30/2023 15:19:08 70.55, -52.65 92.11 70.73 68
4 11/30/2023 16:08:29 -69.90, 114.03 88.54 11/30/2023 16:08:48 -69.89, 114.04 88.55 1.01 19
5 11/30/2023 16:59:13 69.80, -78.50 91.37 11/30/2023 16:58:15 69.79, -78.47 91.36 1.67 58
6 12/03/2023 07:34:43 69.98, 62.36 91.95 12/03/2023 07:35:45 70.00, 62.44 91.96 3.46 62
7 12/03/2023 08:25:24 -69.82,-130.08 88.21 12/03/2023 08:25:16 -69.83,-130.16 88.20 3.14 8
8 12/03/2023 09:16:00 69.29, 37.99 91.26 12/03/2023 09:14:50 69.33, 36.81 91.32 46.77 70
9 12/05/2023 23:51:38 69.91, 178.23 92.24 12/05/2023 23:52:12 69.92, 178.23 92.25 1.11 34
10 12/06/2023 00:42:20 -69.81, -14.30 87.86 12/06/2023 00:41:42 -69.82, -14.28 87.86 1.23 38
11 12/08/2023 15:17:55 -70.28, 126.12 87.08 12/08/2023 15:19:07 -70.18, 126.85 87.20 29.64 72
12 12/08/2023 16:08:33 69.87, -65.94 92.50 12/08/2023 16:08:37 69.90, -65.91 92.53 3.42 4
13 12/08/2023 16:59:15 -69.76, 101.54 87.61 12/08/2023 16:58:08 -69.74, 101.51 87.63 2.87 67

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/26/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231126.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/26/2023 in txt file.

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