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: 9/21/2023
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 09/22/2023 18:34:15 71.57,-104.96 71.33 09/22/2023 18:35:24 71.46,-103.59 71.19 49.92 69
2 09/22/2023 19:24:47 -71.02, 63.32 109.23 09/22/2023 19:24:54 -71.03, 63.39 109.22 3.26 7
3 09/22/2023 20:15:30 70.84,-129.09 70.61 09/22/2023 20:14:18 70.86,-129.20 70.63 4.82 72
4 09/25/2023 07:27:59 71.04, 62.48 71.76 09/25/2023 07:28:41 71.05, 62.45 71.77 2.20 42
5 09/25/2023 08:18:41 -70.95,-130.05 108.32 09/25/2023 08:18:06 -70.96,-130.04 108.31 1.28 35
6 09/27/2023 19:31:15 -71.41, 61.05 106.89 09/27/2023 19:32:26 -71.29, 61.83 107.03 30.70 71
7 09/27/2023 20:21:53 70.98,-130.91 72.69 09/27/2023 20:21:52 70.99,-130.97 72.70 2.41 1
8 09/27/2023 21:12:32 -70.74, 36.82 107.56 09/27/2023 21:11:19 -70.80, 36.39 107.48 17.03 73
9 09/30/2023 08:25:03 -71.05,-131.81 106.28 09/30/2023 08:25:40 -71.03,-131.88 106.30 3.17 37
10 09/30/2023 09:15:47 70.94, 35.69 73.63 09/30/2023 09:15:02 70.95, 35.65 73.64 1.74 45
11 10/02/2023 20:28:15 71.11,-132.70 74.75 10/02/2023 20:29:24 71.09,-132.77 74.73 3.29 69
12 10/02/2023 21:18:57 -71.01, 34.78 105.34 10/02/2023 21:18:49 -71.02, 34.78 105.33 0.95 8

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/21/2023
SNOs_Map_NOAA-21_TERRA_20230921.jpg

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

Historial Predications of SNOs between NOAA-21 and TERRA