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: 12/2/2023
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 12/03/2023 07:34:43 69.97, 62.37 91.94 12/03/2023 07:35:47 69.98, 62.40 91.95 1.37 64
2 12/03/2023 08:25:25 -69.87,-130.16 88.16 12/03/2023 08:25:17 -69.86,-130.13 88.17 1.70 8
3 12/03/2023 09:16:01 69.34, 37.93 91.31 12/03/2023 09:14:50 69.43, 36.92 91.41 40.69 71
4 12/05/2023 23:51:38 69.90, 178.24 92.23 12/05/2023 23:52:15 69.90, 178.18 92.22 2.66 37
5 12/06/2023 00:42:20 -69.80, -14.29 87.87 12/06/2023 00:41:45 -69.79, -14.35 87.89 2.87 35
6 12/08/2023 15:17:58 -70.43, 125.89 86.93 12/08/2023 15:19:08 -70.31, 127.01 87.07 44.21 70
7 12/08/2023 16:08:33 69.85, -65.91 92.49 12/08/2023 16:08:41 69.87, -65.97 92.50 2.86 8
8 12/08/2023 16:59:15 -69.75, 101.55 87.62 12/08/2023 16:58:11 -69.76, 101.51 87.61 1.77 64
9 12/11/2023 07:34:45 -69.97,-117.64 87.14 12/11/2023 07:35:39 -69.95,-117.60 87.17 2.94 54
10 12/11/2023 08:25:28 69.82, 49.91 92.70 12/11/2023 08:25:06 69.84, 49.89 92.72 2.27 22
11 12/11/2023 09:15:56 -68.97,-141.57 88.16 12/11/2023 09:14:48 -69.07,-143.51 88.04 78.06 68
12 12/13/2023 23:01:12 70.85,-170.56 93.96 12/13/2023 23:02:19 70.74,-168.18 93.81 88.23 67
13 12/13/2023 23:51:38 -69.90, -1.75 87.02 12/13/2023 23:52:02 -69.92, -1.74 87.00 2.08 24
14 12/14/2023 00:42:22 69.80, 165.71 92.89 12/14/2023 00:41:29 69.80, 165.74 92.89 1.38 53

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/2/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231202.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/02/2023 in txt file.

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