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: 3/25/2023
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 75.26, -10.40 73.93 03/25/2023 11:43:17 75.24, -12.19 74.08 50.57 70
2 03/25/2023 12:35:17 -75.53, 156.07 105.76 03/25/2023 12:34:09 -75.56, 156.10 105.71 2.90 68
3 03/25/2023 13:26:03 75.55, -36.67 74.25 03/25/2023 13:25:10 75.53, -36.74 74.26 2.70 53
4 03/25/2023 14:16:47 -75.54, 130.67 105.78 03/25/2023 14:16:08 -75.57, 130.65 105.73 3.41 39
5 03/25/2023 15:07:33 75.56, -62.07 74.23 03/25/2023 15:07:09 75.55, -62.19 74.24 3.74 24
6 03/25/2023 15:58:18 -75.60, 105.12 105.74 03/25/2023 15:58:07 -75.59, 105.20 105.75 2.47 11
7 03/25/2023 16:49:04 75.61, -87.62 74.27 03/25/2023 16:49:07 75.60, -87.49 74.25 3.51 3
8 03/25/2023 17:39:48 -75.61, 79.72 105.76 03/25/2023 17:40:06 -75.60, 79.75 105.77 1.06 18
9 03/25/2023 18:30:34 75.62,-113.02 74.25 03/25/2023 18:31:06 75.62,-112.94 74.23 2.04 32
10 03/25/2023 19:21:18 -75.61, 54.32 105.77 03/25/2023 19:22:05 -75.61, 54.30 105.79 0.60 47
11 03/25/2023 20:12:04 75.63,-138.42 74.24 03/25/2023 20:13:05 75.63,-138.40 74.21 0.59 61
12 03/25/2023 21:02:49 -75.67, 28.77 105.74 03/25/2023 21:04:04 -75.63, 28.85 105.81 5.28 75

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/25/2023
SNOs_Map_NOAA-21_NOAA-19_20230325.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 03/25/2023 in txt file.

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