Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/16/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 08/18/2023 11:54:22 -71.83, 174.59 121.17 08/18/2023 11:55:28 -71.77, 177.29 121.35 94.03 66
2 08/18/2023 12:44:50 70.90, -16.45 57.85 08/18/2023 12:45:05 70.92, -16.41 57.86 3.19 15
3 08/18/2023 13:35:32 -70.81, 151.01 122.24 08/18/2023 13:34:30 -70.81, 151.08 122.23 2.51 62
4 08/21/2023 00:47:57 -70.98, -17.36 121.26 08/21/2023 00:49:01 -70.95, -17.37 121.29 2.55 64
5 08/21/2023 01:38:41 70.87, 150.12 58.64 08/21/2023 01:38:24 70.86, 150.16 58.64 1.35 17
6 08/21/2023 02:29:09 -70.05, -41.25 122.22 08/21/2023 02:28:01 -70.09, -43.31 122.08 78.44 68
7 08/23/2023 13:41:48 -70.95, 149.21 120.44 08/23/2023 13:42:19 -70.93, 149.24 120.48 3.31 31
8 08/23/2023 14:32:32 70.85, -43.31 59.46 08/23/2023 14:31:42 70.83, -43.24 59.45 3.04 50
9 08/26/2023 01:44:58 71.14, 148.11 60.61 08/26/2023 01:46:09 71.09, 148.49 60.54 14.57 71
10 08/26/2023 02:35:37 -70.89, -44.14 119.65 08/26/2023 02:35:36 -70.87, -44.19 119.66 2.15 1
11 08/26/2023 03:26:15 70.47, 123.84 59.93 08/26/2023 03:25:04 70.50, 122.92 60.01 34.49 71
12 08/28/2023 14:38:46 70.97, -45.07 61.32 08/28/2023 14:39:28 70.96, -45.06 61.29 1.91 42
13 08/28/2023 15:29:28 -70.88, 122.40 118.78 08/28/2023 15:28:53 -70.85, 122.43 118.80 3.31 35

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/16/2023
SNOs_Map_NOAA-21_TERRA_20230816.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA