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: 2/5/2023
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 02/07/2023 10:14:22 -70.59,-157.99 94.02 02/07/2023 10:15:33 -70.53,-157.58 94.11 16.51 71
2 02/07/2023 11:05:03 70.32, 9.74 85.69 02/07/2023 11:04:58 70.33, 9.79 85.70 2.36 5
3 02/07/2023 11:55:40 -69.97, 177.60 94.70 02/07/2023 11:54:28 -70.00, 176.97 94.63 24.23 72
4 02/09/2023 23:08:17 -70.70, 8.35 94.71 02/09/2023 23:09:29 -70.59, 8.99 94.86 26.75 72
5 02/09/2023 23:58:56 70.33, 176.25 84.89 02/09/2023 23:58:55 70.33, 176.28 84.89 0.88 1
6 02/10/2023 00:49:35 -70.08, -16.05 95.39 02/10/2023 00:48:23 -70.12, -16.38 95.33 13.20 72
7 02/12/2023 12:02:13 -70.87, 174.60 95.36 02/12/2023 12:03:23 -70.74, 175.70 95.55 43.18 70
8 02/12/2023 12:52:49 70.35, -17.25 84.08 02/12/2023 12:52:51 70.36, -17.19 84.08 2.53 2
9 02/12/2023 13:43:30 -70.20, 150.30 96.09 02/12/2023 13:42:18 -70.21, 150.24 96.07 2.23 72
10 02/15/2023 00:56:07 -70.94, -19.00 96.14 02/15/2023 00:57:17 -70.86, -17.62 96.30 51.03 70
11 02/15/2023 01:46:42 70.37, 149.24 83.24 02/15/2023 01:46:47 70.36, 149.31 83.23 2.63 5
12 02/15/2023 02:37:23 -70.22, -43.21 96.93 02/15/2023 02:36:14 -70.22, -43.25 96.92 1.48 69
13 02/17/2023 13:50:01 -71.07, 147.31 96.88 02/17/2023 13:51:10 -70.95, 149.03 97.08 63.42 69
14 02/17/2023 14:40:33 70.34, -44.20 82.34 02/17/2023 14:40:42 70.34, -44.22 82.34 0.94 9
15 02/17/2023 15:31:15 -70.24, 123.28 97.78 02/17/2023 15:30:08 -70.26, 123.31 97.76 2.30 67

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/5/2023
SNOs_Map_NOAA-21_TERRA_20230205.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/05/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA