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: 9/10/2023
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 09/10/2023 05:27:24 70.90, 92.87 65.84 09/10/2023 05:27:01 70.89, 92.81 65.83 2.71 23
2 09/12/2023 16:40:07 71.83, -76.87 67.74 09/12/2023 16:41:14 71.74, -74.49 67.58 83.28 67
3 09/12/2023 17:30:34 -70.97, 91.97 113.15 09/12/2023 17:30:51 -70.97, 91.94 113.15 1.24 17
4 09/12/2023 18:21:19 70.90,-100.61 66.79 09/12/2023 18:20:14 70.88,-100.55 66.77 3.20 65
5 09/15/2023 05:33:48 71.05, 91.02 67.89 09/15/2023 05:34:40 71.05, 91.06 67.88 1.83 52
6 09/15/2023 06:24:29 -70.92,-101.43 112.24 09/15/2023 06:24:05 -70.94,-101.45 112.22 2.68 24
7 09/17/2023 17:37:12 -71.80, 88.90 110.37 09/17/2023 17:38:20 -71.69, 91.10 110.55 77.40 68
8 09/17/2023 18:27:42 70.96,-102.31 68.77 09/17/2023 18:27:54 70.98,-102.37 68.79 2.98 12
9 09/17/2023 19:18:24 -70.87, 65.15 111.31 09/17/2023 19:17:19 -70.88, 65.13 111.30 1.17 65
10 09/20/2023 06:30:53 -71.04,-103.24 110.19 09/20/2023 06:31:44 -71.06,-103.24 110.18 2.11 51
11 09/20/2023 07:21:37 70.93, 64.26 69.71 09/20/2023 07:21:07 70.94, 64.24 69.73 1.50 30
12 09/22/2023 18:34:16 71.63,-105.07 71.40 09/22/2023 18:35:25 71.47,-103.57 71.20 55.57 69
13 09/22/2023 19:24:48 -71.01, 63.32 109.24 09/22/2023 19:24:57 -71.00, 63.35 109.25 1.44 9
14 09/22/2023 20:15:32 70.90,-129.19 70.67 09/22/2023 20:14:20 70.88,-129.19 70.64 3.21 72

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/10/2023
SNOs_Map_NOAA-21_TERRA_20230910.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/10/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA