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: 3/20/2023
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 75.24, -10.34 73.91 03/25/2023 11:43:17 75.26, -12.12 74.10 50.50 70
2 03/25/2023 12:35:18 -75.56, 156.00 105.73 03/25/2023 12:34:10 -75.54, 156.02 105.73 2.40 68
3 03/25/2023 13:26:03 75.53, -36.60 74.23 03/25/2023 13:25:10 75.55, -36.67 74.27 3.29 53
4 03/25/2023 14:16:48 -75.57, 130.60 105.75 03/25/2023 14:16:09 -75.55, 130.57 105.75 1.80 39
5 03/25/2023 15:07:34 75.58, -62.15 74.27 03/25/2023 15:07:09 75.57, -62.13 74.25 2.18 25
6 03/25/2023 15:58:18 -75.57, 105.20 105.77 03/25/2023 15:58:08 -75.56, 105.13 105.77 2.27 10
7 03/25/2023 16:49:04 75.59, -87.55 74.25 03/25/2023 16:49:08 75.58, -87.58 74.23 1.71 4
8 03/25/2023 17:39:48 -75.58, 79.80 105.78 03/25/2023 17:40:07 -75.58, 79.68 105.79 3.38 19
9 03/25/2023 18:30:34 75.60,-112.95 74.23 03/25/2023 18:31:07 75.59,-113.03 74.22 2.36 33
10 03/25/2023 19:21:19 -75.64, 54.25 105.75 03/25/2023 19:22:05 -75.64, 54.38 105.77 3.60 46
11 03/25/2023 20:12:04 75.61,-138.35 74.21 03/25/2023 20:13:06 75.60,-138.48 74.20 3.56 62
12 03/25/2023 21:02:50 -75.69, 28.70 105.71 03/25/2023 21:04:04 -75.65, 28.93 105.79 7.85 74

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/20/2023
SNOs_Map_NOAA-21_NOAA-19_20230321.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 03/20/2023 in txt file.

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