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: 4/16/2023
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 04/16/2023 20:47:51 -70.51, 43.58 119.80 04/16/2023 20:48:01 -70.51, 43.58 119.80 0.14 10
2 04/16/2023 21:38:35 70.39,-148.93 60.07 04/16/2023 21:37:24 70.42,-148.89 60.10 2.94 71
3 04/19/2023 08:51:00 70.61, 42.63 59.44 04/19/2023 08:52:10 70.59, 42.63 59.40 3.14 70
4 04/19/2023 09:41:41 -70.48,-149.83 120.73 04/19/2023 09:41:35 -70.50,-149.85 120.70 2.56 6
5 04/19/2023 10:32:16 69.89, 18.38 58.66 04/19/2023 10:31:06 69.96, 17.05 58.78 51.51 70
6 04/21/2023 21:44:49 70.60,-150.81 58.55 04/21/2023 21:45:42 70.59,-150.78 58.53 1.31 53
7 04/21/2023 22:35:30 -70.45, 16.74 121.62 04/21/2023 22:35:08 -70.44, 16.66 121.63 3.05 22
8 04/24/2023 10:38:38 70.54, 15.82 57.63 04/24/2023 10:39:15 70.55, 15.75 57.64 3.05 37
9 04/24/2023 11:29:20 -70.45,-176.71 122.48 04/24/2023 11:28:40 -70.46,-176.73 122.46 1.38 40
10 04/26/2023 23:32:28 70.54,-177.65 56.81 04/26/2023 23:32:46 70.57,-177.62 56.84 3.36 18
11 04/27/2023 00:23:10 -70.45, -10.18 123.30 04/27/2023 00:22:12 -70.43, -10.18 123.32 2.38 58
12 04/29/2023 11:35:39 -70.92,-179.03 123.59 04/29/2023 11:36:51 -70.81,-178.33 123.73 28.42 72
13 04/29/2023 12:26:18 70.56, -11.13 56.03 04/29/2023 12:26:17 70.55, -11.05 56.02 3.09 1
14 04/29/2023 13:16:57 -70.31, 156.58 124.25 04/29/2023 13:15:44 -70.35, 156.31 124.19 11.54 73

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/16/2023
SNOs_Map_NOAA-21_TERRA_20230417.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA