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: 4/24/2023
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 04/24/2023 10:38:39 70.56, 15.78 57.66 04/24/2023 10:39:15 70.56, 15.77 57.65 0.58 36
2 04/24/2023 11:29:21 -70.48,-176.77 122.44 04/24/2023 11:28:40 -70.46,-176.72 122.46 2.71 41
3 04/26/2023 22:42:01 -71.53, 13.37 122.14 04/26/2023 22:43:07 -71.46, 16.09 122.30 96.45 66
4 04/26/2023 23:32:28 70.54,-177.64 56.81 04/26/2023 23:32:45 70.55,-177.64 56.82 1.79 17
5 04/27/2023 00:23:10 -70.45, -10.19 123.30 04/27/2023 00:22:10 -70.45, -10.13 123.29 2.00 60
6 04/29/2023 11:35:36 -70.86,-178.92 123.66 04/29/2023 11:36:47 -70.77,-178.38 123.77 22.22 71
7 04/29/2023 12:26:16 70.54, -11.10 56.01 04/29/2023 12:26:13 70.51, -11.09 55.98 2.87 3
8 04/29/2023 13:16:53 -70.19, 156.77 124.37 04/29/2023 13:15:41 -70.25, 156.18 124.29 23.19 72
9 05/02/2023 00:29:20 -70.62, -11.99 124.68 05/02/2023 00:30:16 -70.64, -11.96 124.67 2.73 56
10 05/02/2023 01:20:04 70.51, 155.49 55.20 05/02/2023 01:19:40 70.49, 155.49 55.18 2.20 24
11 05/04/2023 13:23:08 -70.61, 154.57 125.44 05/04/2023 13:23:42 -70.59, 154.59 125.47 2.84 34
12 05/04/2023 14:13:52 70.51, -37.96 54.45 05/04/2023 14:13:05 70.49, -37.89 54.43 3.18 47
13 05/07/2023 01:26:24 71.25, 152.74 54.52 05/07/2023 01:27:32 71.14, 154.41 54.36 60.91 68
14 05/07/2023 02:16:55 -70.58, -38.83 126.20 05/07/2023 02:17:06 -70.55, -38.83 126.22 2.67 11
15 05/07/2023 03:07:39 70.48, 128.64 53.70 05/07/2023 03:06:29 70.45, 128.68 53.68 3.09 70

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/24/2023
SNOs_Map_NOAA-21_TERRA_20230424.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/24/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA