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: 9/16/2023
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 09/17/2023 17:37:12 -71.80, 88.91 110.37 09/17/2023 17:38:19 -71.72, 91.16 110.51 78.70 67
2 09/17/2023 18:27:43 71.00,-102.39 68.81 09/17/2023 18:27:54 70.97,-102.39 68.78 3.74 11
3 09/17/2023 19:18:24 -70.87, 65.16 111.32 09/17/2023 19:17:19 -70.86, 65.10 111.32 2.05 65
4 09/20/2023 06:30:53 -71.04,-103.24 110.19 09/20/2023 06:31:44 -71.03,-103.29 110.21 2.15 51
5 09/20/2023 07:21:37 70.92, 64.27 69.70 09/20/2023 07:21:07 70.92, 64.20 69.70 2.49 30
6 09/22/2023 18:34:15 71.57,-104.96 71.33 09/22/2023 18:35:24 71.48,-103.55 71.21 50.73 69
7 09/22/2023 19:24:48 -71.01, 63.32 109.24 09/22/2023 19:24:56 -71.01, 63.36 109.25 1.23 8
8 09/22/2023 20:15:31 70.90,-129.17 70.66 09/22/2023 20:14:18 70.89,-129.17 70.66 1.17 73
9 09/25/2023 07:27:59 71.04, 62.49 71.76 09/25/2023 07:28:42 71.04, 62.43 71.76 2.18 43
10 09/25/2023 08:18:41 -70.94,-130.04 108.33 09/25/2023 08:18:07 -70.96,-130.05 108.31 1.52 34
11 09/27/2023 19:31:16 -71.45, 60.98 106.85 09/27/2023 19:32:27 -71.31, 61.86 107.01 34.96 71
12 09/27/2023 20:21:54 71.03,-130.99 72.74 09/27/2023 20:21:53 71.01,-130.95 72.71 3.04 1
13 09/27/2023 21:12:33 -70.78, 36.75 107.51 09/27/2023 21:11:20 -70.82, 36.42 107.46 12.84 73

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/16/2023
SNOs_Map_NOAA-21_TERRA_20230916.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA