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: 4/27/2023
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 04/29/2023 11:35:43 -70.68,-178.67 123.84 04/29/2023 11:36:54 -70.68,-178.53 123.85 5.32 71
2 04/29/2023 12:26:26 70.51, -11.09 55.97 04/29/2023 12:26:19 70.49, -11.15 55.95 3.11 7
3 04/29/2023 13:17:01 -70.05, 156.94 124.52 04/29/2023 13:15:49 -70.11, 155.96 124.42 37.58 72
4 05/02/2023 00:29:38 -70.61, -12.05 124.69 05/02/2023 00:30:25 -70.59, -12.06 124.72 2.03 47
5 05/02/2023 01:20:22 70.49, 155.45 55.18 05/02/2023 01:19:48 70.51, 155.47 55.20 1.97 34
6 05/04/2023 12:33:10 71.58, -14.51 55.59 05/04/2023 12:34:15 71.49, -11.71 55.43 98.95 65
7 05/04/2023 13:23:35 -70.60, 154.47 125.45 05/04/2023 13:23:55 -70.58, 154.52 125.48 3.09 20
8 05/04/2023 14:14:18 70.43, -37.95 54.37 05/04/2023 14:13:19 70.43, -38.03 54.38 2.92 59
9 05/07/2023 01:26:49 70.64, 153.59 53.89 05/07/2023 01:28:00 70.63, 153.54 53.86 2.68 71
10 05/07/2023 02:17:31 -70.55, -38.94 126.23 05/07/2023 02:17:25 -70.53, -38.95 126.24 2.05 6
11 05/07/2023 03:08:06 69.96, 129.29 53.16 05/07/2023 03:06:56 70.00, 127.95 53.24 50.98 70
12 05/09/2023 14:20:45 70.60, -39.83 53.15 05/09/2023 14:21:29 70.60, -39.90 53.14 2.57 44
13 05/09/2023 15:11:27 -70.50, 127.64 126.96 05/09/2023 15:10:54 -70.50, 127.62 126.96 0.90 33

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/27/2023
SNOs_Map_NOAA-21_TERRA_20230427.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/27/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA