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: 6/18/2023
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 06/18/2023 23:39:05 70.72,-179.67 47.30 06/18/2023 23:39:39 70.74,-179.66 47.31 1.61 34
2 06/19/2023 00:29:47 -70.63, -12.21 132.80 06/19/2023 00:29:05 -70.62, -12.18 132.80 1.51 42
3 06/21/2023 11:42:22 -71.17, 178.80 132.25 06/21/2023 11:43:33 -71.06, 179.81 132.41 38.11 71
4 06/21/2023 12:32:59 70.69, -13.10 47.25 06/21/2023 12:33:00 70.70, -13.08 47.25 0.70 1
5 06/21/2023 13:23:40 -70.55, 154.45 132.90 06/21/2023 13:22:27 -70.53, 154.33 132.90 4.87 73
6 06/24/2023 00:36:08 -70.77, -14.02 132.64 06/24/2023 00:36:57 -70.78, -13.98 132.64 1.84 49
7 06/24/2023 01:26:52 70.67, 153.46 47.25 06/24/2023 01:26:19 70.68, 153.54 47.27 3.39 33
8 06/26/2023 12:39:33 71.53, -16.11 48.24 06/26/2023 12:40:40 71.45, -13.95 48.06 77.05 67
9 06/26/2023 13:30:02 -70.75, 152.54 132.60 06/26/2023 13:30:17 -70.75, 152.62 132.60 2.93 15
10 06/26/2023 14:20:45 70.60, -39.90 47.25 06/26/2023 14:19:40 70.59, -39.95 47.25 2.01 65
11 06/29/2023 01:33:13 70.79, 151.68 47.56 06/29/2023 01:34:11 70.78, 151.67 47.54 0.72 58
12 06/29/2023 02:23:55 -70.68, -40.83 132.56 06/29/2023 02:23:37 -70.69, -40.82 132.54 1.15 18
13 07/01/2023 14:27:06 70.73, -41.70 47.65 07/01/2023 14:27:30 70.75, -41.74 47.67 3.19 24
14 07/01/2023 15:17:49 -70.67, 125.71 132.41 07/01/2023 15:16:56 -70.66, 125.78 132.41 2.60 53

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 6/18/2023
SNOs_Map_NOAA-21_TERRA_20230618.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 06/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA