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: 9/18/2023
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 09/20/2023 06:30:53 -71.05,-103.26 110.18 09/20/2023 06:31:43 -71.06,-103.24 110.18 1.25 50
2 09/20/2023 07:21:37 70.93, 64.26 69.71 09/20/2023 07:21:06 70.95, 64.25 69.74 2.43 31
3 09/22/2023 18:34:15 71.58,-104.98 71.34 09/22/2023 18:35:24 71.45,-103.61 71.17 50.56 69
4 09/22/2023 19:24:48 -71.03, 63.30 109.23 09/22/2023 19:24:55 -71.02, 63.38 109.23 2.71 7
5 09/22/2023 20:15:31 70.85,-129.10 70.62 09/22/2023 20:14:19 70.85,-129.22 70.62 4.40 72
6 09/25/2023 07:28:00 71.04, 62.47 71.77 09/25/2023 07:28:42 71.04, 62.43 71.76 1.85 42
7 09/25/2023 08:18:41 -70.96,-130.06 108.31 09/25/2023 08:18:06 -70.95,-130.06 108.32 0.58 35
8 09/27/2023 19:31:15 -71.41, 61.05 106.89 09/27/2023 19:32:26 -71.27, 61.81 107.05 30.89 71
9 09/27/2023 20:21:53 70.99,-130.91 72.69 09/27/2023 20:21:52 70.97,-130.99 72.68 3.15 1
10 09/27/2023 21:12:32 -70.74, 36.82 107.55 09/27/2023 21:11:19 -70.79, 36.38 107.49 17.03 73
11 09/30/2023 08:25:03 -71.04,-131.80 106.28 09/30/2023 08:25:39 -71.07,-131.82 106.26 3.29 36
12 09/30/2023 09:15:47 70.94, 35.69 73.63 09/30/2023 09:15:02 70.93, 35.62 73.62 2.50 45

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/18/2023
SNOs_Map_NOAA-21_TERRA_20230918.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA