Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/18/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 09/30/2023 06:21:35 -74.09,-106.42 103.10 09/30/2023 06:20:28 -74.06,-109.18 102.98 84.43 67
2 09/30/2023 07:12:29 74.49, 59.86 77.36 09/30/2023 07:11:16 74.44, 59.12 77.36 22.84 73
3 09/30/2023 08:03:16 -74.63,-133.20 102.48 09/30/2023 08:02:15 -74.62,-133.14 102.48 2.55 61
4 09/30/2023 08:54:01 74.60, 34.21 77.50 09/30/2023 08:53:11 74.62, 34.14 77.54 3.27 50
5 09/30/2023 09:44:46 -74.64,-158.60 102.44 09/30/2023 09:44:13 -74.66,-158.52 102.42 2.72 33
6 09/30/2023 10:35:32 74.66, 8.68 77.59 09/30/2023 10:35:09 74.66, 8.75 77.60 2.24 23
7 09/30/2023 11:26:15 -74.65, 176.00 102.40 09/30/2023 11:26:11 -74.65, 175.96 102.40 1.45 4
8 09/30/2023 12:17:01 74.66, -16.72 77.63 09/30/2023 12:17:07 74.65, -16.77 77.62 2.09 6
9 09/30/2023 13:07:45 -74.66, 150.60 102.37 09/30/2023 13:08:09 -74.68, 150.57 102.35 2.76 24
10 09/30/2023 13:58:31 74.67, -42.12 77.67 09/30/2023 13:59:05 74.69, -42.15 77.68 1.85 34
11 09/30/2023 14:49:16 -74.72, 125.08 102.27 09/30/2023 14:50:07 -74.72, 125.19 102.29 3.32 51
12 09/30/2023 15:40:02 74.73, -67.65 77.76 09/30/2023 15:41:03 74.73, -67.53 77.74 3.49 61
13 09/30/2023 16:30:50 -74.92, 99.14 102.02 09/30/2023 16:32:02 -74.90, 100.22 102.11 31.21 72

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 9/18/2023
SNOs_Map_NOAA-20_NOAA-19_20230918.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 09/18/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and NOAA-19