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: 8/22/2023
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 08/23/2023 12:51:35 71.80, -19.65 60.45 08/23/2023 12:52:41 71.70, -17.18 60.25 86.71 66
2 08/23/2023 13:42:02 -70.93, 149.19 120.47 08/23/2023 13:42:18 -70.93, 149.24 120.48 1.94 16
3 08/23/2023 14:32:46 70.81, -43.31 59.42 08/23/2023 14:31:42 70.79, -43.31 59.41 2.60 64
4 08/26/2023 01:45:16 70.97, 148.32 60.43 08/26/2023 01:46:11 70.99, 148.33 60.44 2.56 55
5 08/26/2023 02:35:58 -70.88, -44.22 119.66 08/26/2023 02:35:36 -70.87, -44.20 119.66 0.97 22
6 08/28/2023 13:48:45 -71.91, 145.84 117.70 08/28/2023 13:49:51 -71.80, 148.64 117.92 97.55 66
7 08/28/2023 14:39:12 70.92, -45.10 61.26 08/28/2023 14:39:29 70.90, -45.15 61.24 2.72 17
8 08/28/2023 15:29:54 -70.83, 122.37 118.83 08/28/2023 15:28:53 -70.84, 122.42 118.81 2.09 61
9 08/31/2023 02:42:24 -70.99, -46.02 117.78 08/31/2023 02:43:22 -70.99, -46.02 117.80 0.43 58
10 08/31/2023 03:33:08 70.88, 121.48 62.12 08/31/2023 03:32:45 70.90, 121.50 62.13 1.98 23
11 09/02/2023 14:45:54 71.89, -48.41 64.07 09/02/2023 14:47:00 71.78, -45.74 63.87 93.11 66
12 09/02/2023 15:36:20 -70.96, 120.55 116.90 09/02/2023 15:36:38 -70.96, 120.60 116.91 1.91 18
13 09/02/2023 16:27:04 70.85, -71.96 63.00 09/02/2023 16:26:01 70.87, -71.89 63.02 3.17 63

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/22/2023
SNOs_Map_NOAA-21_TERRA_20230822.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/22/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA