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: 4/25/2023
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 04/26/2023 23:32:28 70.56,-177.67 56.83 04/26/2023 23:32:46 70.58,-177.62 56.84 2.94 18
2 04/27/2023 00:23:09 -70.42, -10.13 123.33 04/27/2023 00:22:12 -70.42, -10.19 123.32 2.09 57
3 04/29/2023 11:35:39 -70.96,-179.10 123.55 04/29/2023 11:36:50 -70.86,-178.25 123.68 32.71 71
4 04/29/2023 12:26:17 70.54, -11.10 56.01 04/29/2023 12:26:17 70.56, -11.05 56.02 3.01 0
5 04/29/2023 13:16:57 -70.35, 156.52 124.21 04/29/2023 13:15:44 -70.35, 156.30 124.19 8.11 73
6 05/02/2023 00:29:22 -70.65, -12.04 124.65 05/02/2023 00:30:24 -70.64, -11.98 124.67 2.07 62
7 05/02/2023 01:20:05 70.49, 155.52 55.18 05/02/2023 01:19:48 70.50, 155.46 55.19 2.50 17
8 05/02/2023 02:10:33 -69.66, -35.90 125.69 05/02/2023 02:09:25 -69.74, -37.95 125.55 79.58 68
9 05/04/2023 13:23:10 -70.61, 154.56 125.44 05/04/2023 13:23:54 -70.59, 154.55 125.46 1.77 44
10 05/04/2023 14:13:54 70.51, -37.96 54.45 05/04/2023 14:13:17 70.50, -37.92 54.44 1.54 37
11 05/07/2023 02:16:57 -70.59, -38.87 126.18 05/07/2023 02:17:21 -70.61, -38.81 126.16 3.09 24
12 05/07/2023 03:07:41 70.49, 128.60 53.71 05/07/2023 03:06:45 70.47, 128.63 53.69 3.10 56

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_NOAA-21_TERRA_20230425.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/25/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA