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: 8/18/2023
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 08/18/2023 11:54:23 -71.69, 174.84 121.32 08/18/2023 11:55:31 -71.60, 177.00 121.51 76.56 68
2 08/18/2023 12:44:54 70.90, -16.48 57.85 08/18/2023 12:45:05 70.91, -16.42 57.86 2.56 11
3 08/18/2023 13:35:36 -70.81, 150.99 122.24 08/18/2023 13:34:30 -70.80, 151.06 122.24 3.14 66
4 08/21/2023 00:48:06 -70.95, -17.36 121.29 08/21/2023 00:49:01 -70.94, -17.38 121.30 1.05 55
5 08/21/2023 01:38:50 70.83, 150.14 58.60 08/21/2023 01:38:24 70.86, 150.14 58.63 2.50 26
6 08/23/2023 12:51:36 71.81, -19.68 60.47 08/23/2023 12:52:42 71.69, -17.20 60.24 87.42 66
7 08/23/2023 13:42:03 -70.94, 149.17 120.46 08/23/2023 13:42:19 -70.92, 149.23 120.48 3.21 16
8 08/23/2023 14:32:46 70.77, -43.25 59.39 08/23/2023 14:31:43 70.77, -43.33 59.40 2.97 63
9 08/26/2023 01:45:17 70.98, 148.29 60.44 08/26/2023 01:46:12 70.98, 148.32 60.43 0.87 55
10 08/26/2023 02:35:59 -70.88, -44.23 119.65 08/26/2023 02:35:37 -70.87, -44.20 119.67 2.16 22
11 08/28/2023 13:48:45 -71.92, 145.83 117.70 08/28/2023 13:49:51 -71.81, 148.64 117.91 98.09 66
12 08/28/2023 14:39:12 70.93, -45.11 61.27 08/28/2023 14:39:28 70.95, -45.07 61.29 3.30 16
13 08/28/2023 15:29:54 -70.83, 122.36 118.82 08/28/2023 15:28:53 -70.84, 122.42 118.81 2.41 61
14 08/31/2023 02:42:24 -70.99, -46.02 117.78 08/31/2023 02:43:22 -71.00, -46.00 117.79 1.01 58
15 08/31/2023 03:33:08 70.89, 121.47 62.12 08/31/2023 03:32:45 70.90, 121.51 62.14 2.48 23

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/18/2023
SNOs_Map_NOAA-21_TERRA_20230818.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA