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: 6/19/2023
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 06/21/2023 11:42:22 -71.17, 178.79 132.24 06/21/2023 11:43:33 -71.06, 179.80 132.41 38.66 71
2 06/21/2023 12:32:59 70.70, -13.11 47.26 06/21/2023 12:33:00 70.69, -13.09 47.25 1.02 1
3 06/21/2023 13:23:40 -70.55, 154.44 132.90 06/21/2023 13:22:26 -70.58, 154.40 132.86 3.62 74
4 06/24/2023 00:36:09 -70.78, -14.03 132.63 06/24/2023 00:36:58 -70.78, -13.98 132.64 1.94 49
5 06/24/2023 01:26:52 70.62, 153.54 47.20 06/24/2023 01:26:21 70.63, 153.46 47.22 2.97 31
6 06/26/2023 12:39:33 71.54, -16.12 48.24 06/26/2023 12:40:40 71.45, -13.94 48.07 77.73 67
7 06/26/2023 13:30:01 -70.71, 152.61 132.64 06/26/2023 13:30:18 -70.70, 152.54 132.65 2.57 17
8 06/26/2023 14:20:45 70.60, -39.91 47.25 06/26/2023 14:19:40 70.60, -39.95 47.26 1.34 65
9 06/29/2023 01:33:13 70.79, 151.67 47.56 06/29/2023 01:34:11 70.80, 151.69 47.56 0.86 58
10 06/29/2023 02:23:55 -70.69, -40.84 132.55 06/29/2023 02:23:37 -70.71, -40.81 132.53 2.25 18
11 07/01/2023 14:27:06 70.73, -41.71 47.66 07/01/2023 14:27:31 70.72, -41.79 47.64 3.18 25
12 07/01/2023 15:17:48 -70.63, 125.78 132.46 07/01/2023 15:16:57 -70.63, 125.73 132.44 2.14 51

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 6/19/2023
SNOs_Map_NOAA-21_TERRA_20230619.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 06/19/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA