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: 9/20/2023
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 06:30:52 -71.02,-103.21 110.21 09/20/2023 06:31:43 -71.04,-103.28 110.20 3.05 51
2 09/20/2023 07:21:37 70.95, 64.22 69.73 09/20/2023 07:21:06 70.93, 64.22 69.72 2.20 31
3 09/22/2023 18:34:14 71.55,-104.92 71.31 09/22/2023 18:35:24 71.42,-103.65 71.15 47.26 70
4 09/22/2023 19:24:47 -71.00, 63.35 109.25 09/22/2023 19:24:55 -71.00, 63.34 109.26 0.47 8
5 09/22/2023 20:15:31 70.88,-129.14 70.64 09/22/2023 20:14:18 70.88,-129.18 70.65 1.49 73
6 09/25/2023 07:28:00 71.07, 62.43 71.79 09/25/2023 07:28:41 71.07, 62.47 71.79 1.44 41
7 09/25/2023 08:18:41 -70.93,-130.02 108.34 09/25/2023 08:18:07 -70.92,-130.10 108.35 3.04 34
8 09/27/2023 19:31:15 -71.39, 61.09 106.91 09/27/2023 19:32:26 -71.30, 61.85 107.02 28.72 71
9 09/27/2023 20:21:54 71.02,-130.96 72.72 09/27/2023 20:21:52 71.00,-130.95 72.70 1.80 2
10 09/27/2023 21:12:32 -70.72, 36.85 107.58 09/27/2023 21:11:19 -70.81, 36.41 107.47 19.22 73
11 09/30/2023 08:25:04 -71.08,-131.86 106.25 09/30/2023 08:25:39 -71.09,-131.79 106.24 2.72 35
12 09/30/2023 09:15:48 70.97, 35.63 73.66 09/30/2023 09:15:02 70.95, 35.65 73.64 2.58 46
13 10/02/2023 20:28:15 71.14,-132.76 74.79 10/02/2023 20:29:22 71.13,-132.69 74.77 2.50 67
14 10/02/2023 21:18:56 -70.99, 34.81 105.36 10/02/2023 21:18:48 -71.01, 34.77 105.34 2.85 8

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2023
SNOs_Map_NOAA-21_TERRA_20230920.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/20/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA