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: 9/24/2023
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 09/25/2023 07:28:00 71.05, 62.45 71.78 09/25/2023 07:28:42 71.03, 62.41 71.75 2.89 42
2 09/25/2023 08:18:41 -70.92,-130.00 108.35 09/25/2023 08:18:07 -70.94,-130.08 108.33 3.34 34
3 09/27/2023 19:31:14 -71.38, 61.11 106.92 09/27/2023 19:32:26 -71.26, 61.79 107.06 27.52 72
4 09/27/2023 20:21:53 71.00,-130.94 72.71 09/27/2023 20:21:51 71.02,-130.92 72.73 2.46 2
5 09/27/2023 21:12:31 -70.71, 36.87 107.59 09/27/2023 21:11:19 -70.77, 36.35 107.51 20.29 72
6 09/30/2023 08:25:03 -71.07,-131.84 106.26 09/30/2023 08:25:39 -71.06,-131.84 106.27 1.26 36
7 09/30/2023 09:15:47 70.96, 35.66 73.65 09/30/2023 09:15:01 70.98, 35.69 73.67 2.55 46
8 10/02/2023 20:28:15 71.13,-132.73 74.77 10/02/2023 20:29:23 71.11,-132.73 74.75 1.50 68
9 10/02/2023 21:18:57 -71.03, 34.74 105.32 10/02/2023 21:18:48 -71.04, 34.81 105.31 2.77 9
10 10/02/2023 22:09:29 70.29,-156.75 73.94 10/02/2023 22:08:21 70.35,-158.56 74.03 68.07 68
11 10/05/2023 09:22:08 71.05, 33.92 75.67 10/05/2023 09:22:32 71.05, 33.86 75.67 1.96 24
12 10/05/2023 10:12:50 -70.95,-158.60 104.42 10/05/2023 10:11:58 -70.93,-158.67 104.44 3.22 52
13 10/07/2023 21:25:18 -71.13, 32.99 103.29 10/07/2023 21:26:18 -71.11, 32.99 103.32 2.33 60
14 10/07/2023 22:16:02 71.03,-159.53 76.62 10/07/2023 22:15:40 71.01,-159.51 76.59 3.01 22

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/24/2023
SNOs_Map_NOAA-21_TERRA_20230924.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/24/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA