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: 2/11/2024
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 02/13/2024 07:34:26 -70.99,-119.06 95.40 02/13/2024 07:35:32 -70.87,-116.34 95.65 99.48 66
2 02/13/2024 08:24:52 69.92, 49.95 83.46 02/13/2024 08:25:14 69.95, 49.96 83.48 3.29 22
3 02/13/2024 09:15:34 -69.85,-142.62 96.64 02/13/2024 09:14:44 -69.83,-142.58 96.65 1.92 50
4 02/15/2024 23:51:00 -70.16, -1.92 97.20 02/15/2024 23:52:12 -70.08, -1.63 97.31 14.21 72
5 02/16/2024 00:41:42 69.94, 165.72 82.56 02/16/2024 00:41:40 69.92, 165.80 82.54 3.27 2
6 02/16/2024 01:32:23 -69.80, -26.75 97.60 02/16/2024 01:31:10 -69.80, -26.73 97.59 0.93 73
7 02/18/2024 16:07:47 -69.97, 114.16 98.34 02/18/2024 16:08:39 -70.00, 114.15 98.32 3.41 52
8 02/18/2024 16:58:31 69.85, -78.36 81.54 02/18/2024 16:58:07 69.84, -78.43 81.53 3.19 24
9 02/18/2024 17:48:57 -68.92, 90.29 99.46 02/18/2024 17:47:50 -69.00, 88.10 99.27 88.17 67
10 02/21/2024 08:24:37 -69.95,-130.02 99.31 02/21/2024 08:25:05 -69.92,-130.06 99.34 3.36 28
11 02/21/2024 09:15:21 69.84, 37.45 80.57 02/21/2024 09:14:32 69.81, 37.44 80.55 3.22 49
12 02/23/2024 23:50:47 70.15, 178.15 79.94 02/23/2024 23:51:58 70.08, 178.42 79.84 13.11 71
13 02/24/2024 00:41:26 -69.90, -14.14 100.35 02/24/2024 00:41:29 -69.91, -14.18 100.34 1.93 3
14 02/24/2024 01:32:09 69.74, 153.40 79.48 02/24/2024 01:30:57 69.74, 153.24 79.50 6.32 72

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/11/2024
SNOs_Map_NOAA-21_LANDSAT-9_20240211.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/11/2024 in txt file.

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