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: 2/16/2023
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 02/17/2023 13:50:01 -70.60, 148.05 97.38 02/17/2023 13:51:12 -70.53, 148.40 97.48 15.26 71
2 02/17/2023 14:40:42 70.33, -44.21 82.32 02/17/2023 14:40:37 70.31, -44.25 82.31 2.34 5
3 02/17/2023 15:31:19 -69.97, 123.65 98.07 02/17/2023 15:30:07 -69.99, 122.95 98.01 26.77 72
4 02/20/2023 02:43:54 -70.45, -45.20 98.44 02/20/2023 02:45:06 -70.44, -45.22 98.46 1.16 72
5 02/20/2023 03:34:38 70.34, 122.28 81.43 02/20/2023 03:34:29 70.32, 122.28 81.42 1.56 9
6 02/20/2023 04:25:12 -69.82, -69.61 99.13 02/20/2023 04:24:01 -69.90, -70.67 98.99 41.18 71
7 02/22/2023 15:37:50 -70.47, 121.27 99.33 02/22/2023 15:38:57 -70.46, 121.32 99.37 2.64 67
8 02/22/2023 16:28:33 70.31, -71.17 80.49 02/22/2023 16:28:20 70.33, -71.19 80.51 2.56 13
9 02/22/2023 17:19:05 -69.69, 97.09 100.19 02/22/2023 17:17:55 -69.75, 95.64 100.05 56.35 70
10 02/25/2023 04:31:45 -70.46, -72.19 100.28 02/25/2023 04:32:47 -70.47, -72.14 100.29 2.33 62
11 02/25/2023 05:22:29 70.36, 95.28 79.60 02/25/2023 05:22:10 70.34, 95.34 79.58 2.71 19
12 02/25/2023 06:12:57 -69.52, -96.14 101.31 02/25/2023 06:11:49 -69.55, -98.12 101.18 76.86 68
13 02/27/2023 17:25:39 -70.41, 94.40 101.29 02/27/2023 17:26:37 -70.43, 94.32 101.28 3.31 58
14 02/27/2023 18:16:24 70.36, -98.21 78.65 02/27/2023 18:15:59 70.34, -98.14 78.63 3.63 25

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2023
SNOs_Map_NOAA-21_TERRA_20230216.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA