Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/18/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 03/25/2023 11:44:27 75.25, -10.37 73.92 03/25/2023 11:43:17 75.26, -12.13 74.10 49.73 70
2 03/25/2023 12:35:17 -75.52, 156.12 105.78 03/25/2023 12:34:10 -75.54, 156.02 105.73 3.36 67
3 03/25/2023 13:26:03 75.54, -36.63 74.24 03/25/2023 13:25:10 75.55, -36.68 74.27 1.75 53
4 03/25/2023 14:16:48 -75.57, 130.57 105.74 03/25/2023 14:16:09 -75.55, 130.58 105.75 2.56 39
5 03/25/2023 15:07:33 75.55, -62.04 74.22 03/25/2023 15:07:09 75.56, -62.13 74.25 3.17 24
6 03/25/2023 15:58:18 -75.58, 105.17 105.76 03/25/2023 15:58:08 -75.56, 105.13 105.77 2.36 10
7 03/25/2023 16:49:04 75.60, -87.58 74.26 03/25/2023 16:49:08 75.58, -87.58 74.23 2.98 4
8 03/25/2023 17:39:48 -75.59, 79.77 105.78 03/25/2023 17:40:07 -75.58, 79.68 105.79 2.98 19
9 03/25/2023 18:30:34 75.61,-112.98 74.24 03/25/2023 18:31:07 75.59,-113.03 74.21 2.83 33
10 03/25/2023 19:21:18 -75.60, 54.37 105.79 03/25/2023 19:22:06 -75.59, 54.23 105.80 4.06 48
11 03/25/2023 20:12:04 75.62,-138.38 74.22 03/25/2023 20:13:06 75.60,-138.48 74.19 3.39 62
12 03/25/2023 21:02:50 -75.70, 28.68 105.70 03/25/2023 21:04:04 -75.65, 28.93 105.79 8.99 74

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/18/2023
SNOs_Map_NOAA-21_NOAA-19_20230318.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 03/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and NOAA-19