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: 7/30/2023
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 07/31/2023 20:09:19 71.02,-127.76 52.92 07/31/2023 20:10:30 70.99,-127.46 52.86 11.17 71
2 07/31/2023 20:59:59 -70.82, 39.90 127.29 07/31/2023 20:59:57 -70.80, 39.90 127.31 2.31 2
3 07/31/2023 21:50:36 70.35,-152.03 52.22 07/31/2023 21:49:25 70.41,-153.02 52.34 37.25 71
4 08/03/2023 09:03:09 70.89, 38.99 53.42 08/03/2023 09:03:53 70.91, 39.04 53.42 2.22 44
5 08/03/2023 09:53:51 -70.80,-153.53 126.68 08/03/2023 09:53:19 -70.77,-153.51 126.70 3.02 32
6 08/05/2023 21:06:33 -71.80, 36.62 124.94 08/05/2023 21:07:39 -71.67, 39.23 125.20 92.03 66
7 08/05/2023 21:57:01 70.87,-154.45 54.08 08/05/2023 21:57:15 70.85,-154.41 54.04 3.27 14
8 08/05/2023 22:47:43 -70.77, 13.03 126.02 08/05/2023 22:46:40 -70.76, 13.11 126.03 3.19 63
9 08/08/2023 10:00:07 -70.91,-155.28 125.20 08/08/2023 10:01:12 -70.93,-155.31 125.19 2.92 65
10 08/08/2023 10:50:51 70.81, 12.19 54.71 08/08/2023 10:50:35 70.82, 12.18 54.72 1.00 16
11 08/08/2023 11:41:20 -70.03,-179.25 126.11 08/08/2023 11:40:12 -70.07, 178.75 125.96 75.84 68
12 08/10/2023 22:53:59 -70.90, 11.26 124.48 08/10/2023 22:54:33 -70.87, 11.24 124.51 2.79 34
13 08/10/2023 23:44:42 70.75, 178.82 55.38 08/10/2023 23:43:56 70.76, 178.74 55.40 3.23 46

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/30/2023
SNOs_Map_NOAA-21_TERRA_20230730.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/30/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA