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: 8/15/2023
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 08/15/2023 23:50:59 70.93, 176.96 57.08 08/15/2023 23:51:46 70.95, 177.00 57.09 2.95 47
2 08/16/2023 00:41:41 -70.84, -15.58 123.01 08/16/2023 00:41:11 -70.84, -15.52 123.01 2.18 30
3 08/18/2023 11:54:22 -71.83, 174.60 121.17 08/18/2023 11:55:28 -71.77, 177.30 121.35 93.93 66
4 08/18/2023 12:44:50 70.90, -16.45 57.85 08/18/2023 12:45:06 70.87, -16.49 57.82 3.25 16
5 08/18/2023 13:35:32 -70.80, 151.02 122.24 08/18/2023 13:34:30 -70.81, 151.08 122.23 2.59 62
6 08/21/2023 00:47:57 -70.97, -17.36 121.26 08/21/2023 00:49:01 -70.96, -17.36 121.29 1.51 64
7 08/21/2023 01:38:41 70.87, 150.13 58.64 08/21/2023 01:38:24 70.87, 150.16 58.64 1.16 17
8 08/21/2023 02:29:09 -70.04, -41.24 122.22 08/21/2023 02:28:01 -70.10, -43.31 122.07 78.53 68
9 08/23/2023 13:41:47 -70.95, 149.22 120.45 08/23/2023 13:42:18 -70.93, 149.25 120.47 2.08 31
10 08/23/2023 14:32:31 70.84, -43.30 59.46 08/23/2023 14:31:41 70.84, -43.23 59.46 2.66 50
11 08/26/2023 01:44:58 71.13, 148.12 60.60 08/26/2023 01:46:09 71.10, 148.51 60.55 14.23 71
12 08/26/2023 02:35:37 -70.88, -44.13 119.66 08/26/2023 02:35:36 -70.88, -44.17 119.65 1.56 1
13 08/26/2023 03:26:15 70.46, 123.85 59.92 08/26/2023 03:25:04 70.51, 122.94 60.01 34.59 71
14 08/28/2023 14:38:46 70.97, -45.06 61.31 08/28/2023 14:39:28 70.97, -45.04 61.30 0.75 42
15 08/28/2023 15:29:28 -70.87, 122.42 118.79 08/28/2023 15:28:53 -70.86, 122.45 118.79 1.24 35

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/15/2023
SNOs_Map_NOAA-21_TERRA_20230815.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/15/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA