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: 8/11/2023
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 08/13/2023 10:57:13 71.23, 9.91 56.62 08/13/2023 10:58:24 71.12, 10.62 56.47 28.02 71
2 08/13/2023 11:47:50 -70.88, 177.83 123.75 08/13/2023 11:47:52 -70.85, 177.86 123.78 3.18 2
3 08/13/2023 12:38:30 70.56, -14.34 55.93 08/13/2023 12:37:18 70.59, -14.87 56.00 19.82 72
4 08/15/2023 23:50:59 70.93, 176.96 57.08 08/15/2023 23:51:47 70.90, 176.92 57.05 3.15 48
5 08/16/2023 00:41:41 -70.84, -15.57 123.01 08/16/2023 00:41:11 -70.85, -15.50 123.00 3.10 30
6 08/18/2023 11:54:23 -71.87, 174.52 121.12 08/18/2023 11:55:29 -71.74, 177.24 121.38 95.70 66
7 08/18/2023 12:44:50 70.89, -16.45 57.84 08/18/2023 12:45:06 70.88, -16.47 57.83 1.49 16
8 08/18/2023 13:35:32 -70.80, 151.03 122.25 08/18/2023 13:34:31 -70.78, 151.03 122.27 2.49 61
9 08/21/2023 00:47:57 -70.96, -17.34 121.27 08/21/2023 00:49:01 -70.99, -17.32 121.26 2.71 64
10 08/21/2023 01:38:41 70.86, 150.14 58.63 08/21/2023 01:38:25 70.83, 150.11 58.61 3.14 16
11 08/21/2023 02:29:09 -70.03, -41.23 122.23 08/21/2023 02:28:01 -70.13, -43.27 122.05 78.01 68
12 08/23/2023 13:41:47 -70.94, 149.24 120.46 08/23/2023 13:42:19 -70.92, 149.23 120.48 2.03 32
13 08/23/2023 14:32:31 70.84, -43.29 59.45 08/23/2023 14:31:42 70.82, -43.26 59.44 2.12 49

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/11/2023
SNOs_Map_NOAA-21_TERRA_20230811.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/11/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA