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: 10/13/2023
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 10/18/2023 12:52:11 -73.82, 156.05 96.51 10/18/2023 12:51:05 -73.79, 152.99 96.40 94.91 66
2 10/18/2023 13:43:08 74.37, -38.02 84.10 10/18/2023 13:41:54 74.35, -38.27 84.11 7.80 74
3 10/18/2023 14:33:53 -74.41, 129.19 95.84 10/18/2023 14:32:51 -74.40, 129.11 95.84 2.78 62
4 10/18/2023 15:24:39 74.43, -63.54 84.19 10/18/2023 15:23:51 74.43, -63.53 84.21 0.84 48
5 10/18/2023 16:15:23 -74.42, 103.79 95.81 10/18/2023 16:14:49 -74.43, 103.72 95.79 2.55 34
6 10/18/2023 17:06:09 74.44, -88.94 84.23 10/18/2023 17:05:49 74.47, -88.93 84.26 3.80 20
7 10/18/2023 17:56:54 -74.48, 78.27 95.72 10/18/2023 17:56:47 -74.47, 78.32 95.73 2.00 7
8 10/18/2023 18:47:39 74.44,-114.33 84.26 10/18/2023 18:47:48 74.46,-114.45 84.28 3.85 9
9 10/18/2023 19:38:24 -74.49, 52.87 95.68 10/18/2023 19:38:45 -74.50, 52.93 95.68 2.31 21
10 10/18/2023 20:29:10 74.50,-139.86 84.35 10/18/2023 20:29:46 74.49,-139.85 84.34 1.00 36
11 10/18/2023 21:19:54 -74.49, 27.48 95.65 10/18/2023 21:20:44 -74.49, 27.40 95.66 2.44 50
12 10/18/2023 22:10:40 74.51,-165.26 84.39 10/18/2023 22:11:44 74.53,-165.24 84.39 2.08 64
13 10/18/2023 23:01:27 -74.65, 1.69 95.46 10/18/2023 23:02:40 -74.62, 2.27 95.52 17.37 73

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 10/13/2023
SNOs_Map_NOAA-21_NOAA-19_20231013.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 10/13/2023 in txt file.

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