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: 4/18/2023
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 04/19/2023 08:50:59 70.57, 42.70 59.39 04/19/2023 08:52:10 70.58, 42.61 59.39 3.14 71
2 04/19/2023 09:41:41 -70.49,-149.85 120.71 04/19/2023 09:41:35 -70.49,-149.87 120.72 0.59 6
3 04/19/2023 10:32:16 69.90, 18.37 58.67 04/19/2023 10:31:06 69.95, 17.04 58.77 51.11 70
4 04/21/2023 21:44:49 70.55,-150.74 58.50 04/21/2023 21:45:43 70.58,-150.80 58.52 3.33 54
5 04/21/2023 22:35:31 -70.47, 16.71 121.60 04/21/2023 22:35:08 -70.49, 16.72 121.59 1.96 23
6 04/24/2023 10:38:39 70.55, 15.80 57.65 04/24/2023 10:39:16 70.53, 15.73 57.62 3.47 37
7 04/24/2023 11:29:20 -70.46,-176.74 122.46 04/24/2023 11:28:40 -70.44,-176.75 122.48 2.35 40
8 04/26/2023 23:32:28 70.56,-177.67 56.83 04/26/2023 23:32:46 70.55,-177.65 56.82 0.96 18
9 04/27/2023 00:23:10 -70.47, -10.21 123.28 04/27/2023 00:22:11 -70.46, -10.13 123.29 2.95 59
10 04/29/2023 11:35:39 -70.94,-179.07 123.57 04/29/2023 11:36:50 -70.84,-178.28 123.70 30.69 71
11 04/29/2023 12:26:17 70.53, -11.08 55.99 04/29/2023 12:26:17 70.53, -11.09 55.99 0.42 0
12 04/29/2023 13:16:57 -70.33, 156.55 124.23 04/29/2023 13:15:43 -70.38, 156.35 124.16 9.61 74
13 05/02/2023 00:29:22 -70.61, -11.98 124.70 05/02/2023 00:30:24 -70.61, -12.03 124.70 2.00 62
14 05/02/2023 01:20:06 70.51, 155.49 55.19 05/02/2023 01:19:47 70.51, 155.49 55.20 0.81 19

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/18/2023
SNOs_Map_NOAA-21_TERRA_20230419.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA