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: 12/8/2022
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 12/10/2022 11:29:32 70.36, 3.73 93.19 12/10/2022 11:30:43 70.31, 4.16 93.14 16.96 71
2 12/10/2022 12:20:01 -70.10, 171.48 87.07 12/10/2022 12:20:15 -70.08, 171.47 87.09 2.09 14
3 12/10/2022 13:10:45 69.98, -21.02 92.81 12/10/2022 13:09:42 69.98, -21.03 92.82 0.87 63
4 12/13/2022 07:53:28 -70.15,-121.95 86.80 12/13/2022 07:54:28 -70.16,-121.99 86.79 1.98 60
5 12/13/2022 08:44:12 70.03, 45.54 93.09 12/13/2022 08:43:55 70.05, 45.51 93.11 2.86 17
6 12/13/2022 09:34:40 -69.71,-146.63 87.24 12/13/2022 09:33:28 -69.78,-147.24 87.17 24.65 72
7 12/16/2022 04:17:40 70.10, 112.07 93.32 12/16/2022 04:18:09 70.10, 112.01 93.31 2.39 29
8 12/16/2022 05:08:13 -70.04, -80.47 86.75 12/16/2022 05:07:38 -70.05, -80.43 86.74 1.89 35
9 12/18/2022 23:51:10 70.30, 178.41 93.63 12/18/2022 23:52:20 70.28, 178.72 93.60 11.97 70
10 12/19/2022 00:41:41 -70.11, -13.95 86.57 12/19/2022 00:41:51 -70.12, -13.88 86.56 2.92 10
11 12/19/2022 01:32:24 69.98, 153.57 93.29 12/19/2022 01:31:19 69.96, 153.53 93.28 2.78 65
12 12/21/2022 20:15:07 -70.15, 52.64 86.50 12/21/2022 20:16:03 -70.18, 52.64 86.47 3.12 56
13 12/21/2022 21:05:50 70.04,-139.88 93.39 12/21/2022 21:05:30 70.06,-139.88 93.42 2.64 20
14 12/21/2022 21:56:17 -69.61, 28.11 87.05 12/21/2022 21:55:05 -69.69, 27.24 86.95 34.78 72

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/8/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221209.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/08/2022 in txt file.

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