Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/27/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 03/28/2023 22:36:18 70.78,-163.90 67.62 03/28/2023 22:37:26 70.68,-162.23 67.46 61.99 68
2 03/28/2023 23:26:48 -70.06, 4.56 113.16 03/28/2023 23:27:05 -70.07, 4.51 113.14 2.61 17
3 03/29/2023 00:17:32 69.94, 172.04 66.71 03/29/2023 00:16:32 69.97, 172.01 66.75 3.18 60
4 03/31/2023 14:52:57 70.16, -47.15 65.93 03/31/2023 14:54:02 70.15, -47.14 65.90 1.88 65
5 03/31/2023 15:43:38 -70.02, 120.39 114.24 03/31/2023 15:43:32 -70.04, 120.34 114.23 2.68 6
6 03/31/2023 16:34:16 69.59, -71.66 65.30 03/31/2023 16:33:05 69.60, -72.62 65.35 37.18 71
7 04/03/2023 07:09:47 70.09, 68.74 64.82 04/03/2023 07:10:29 70.12, 68.70 64.83 3.11 42
8 04/03/2023 08:00:29 -70.00,-123.80 115.30 04/03/2023 07:59:59 -70.01,-123.82 115.29 1.28 30
9 04/05/2023 22:36:09 -70.98, 15.80 115.27 04/05/2023 22:37:16 -70.87, 18.05 115.46 82.83 67
10 04/05/2023 23:26:38 70.09,-175.47 63.79 04/05/2023 23:26:55 70.10,-175.44 63.79 1.44 17
11 04/06/2023 00:17:20 -69.99, -8.01 116.33 04/06/2023 00:16:25 -69.99, -7.96 116.33 1.98 55
12 04/08/2023 14:52:44 -70.15, 132.91 117.16 04/08/2023 14:53:54 -70.15, 132.88 117.16 1.18 70
13 04/08/2023 15:43:28 70.05, -59.62 62.73 04/08/2023 15:43:21 70.03, -59.64 62.71 1.87 7
14 04/08/2023 16:34:06 -69.74, 108.16 117.61 04/08/2023 16:32:53 -69.82, 107.70 117.51 19.81 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/27/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230327.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/27/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8