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: 3/9/2023
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 03/09/2023 21:01:18 -70.43, 40.43 105.20 03/09/2023 21:01:53 -70.46, 40.43 105.18 3.13 35
2 03/09/2023 21:52:02 70.32,-152.08 74.67 03/09/2023 21:51:16 70.33,-152.09 74.69 0.98 46
3 03/12/2023 09:55:12 -70.44,-153.07 106.19 03/12/2023 09:55:38 -70.45,-153.04 106.19 1.23 26
4 03/12/2023 10:45:56 70.33, 14.41 73.69 03/12/2023 10:45:01 70.31, 14.43 73.67 2.60 55
5 03/14/2023 21:58:37 71.25,-155.21 73.69 03/14/2023 21:59:44 71.14,-153.09 73.49 76.88 67
6 03/14/2023 22:49:05 -70.42, 13.48 107.21 03/14/2023 22:49:22 -70.41, 13.45 107.23 2.42 17
7 03/14/2023 23:39:49 70.32,-179.04 72.67 03/14/2023 23:38:44 70.32,-179.01 72.68 1.15 65
8 03/17/2023 10:52:21 70.84, 12.01 72.24 03/17/2023 10:53:32 70.74, 12.85 72.10 32.50 71
9 03/17/2023 11:42:57 -70.43, 180.00 108.21 03/17/2023 11:43:02 -70.44,-179.95 108.20 2.66 5
10 03/17/2023 12:33:39 70.22, -12.37 71.56 03/17/2023 12:32:26 70.24, -12.57 71.60 8.05 73
11 03/19/2023 23:46:07 70.50, 179.09 70.87 03/19/2023 23:47:16 70.53, 179.09 70.89 3.16 69
12 03/20/2023 00:36:49 -70.40, -13.43 109.25 03/20/2023 00:36:43 -70.40, -13.46 109.26 1.12 6
13 03/20/2023 01:27:23 69.77, 154.84 70.08 03/20/2023 01:26:13 69.86, 153.46 70.23 53.79 70
14 03/22/2023 12:39:59 70.50, -14.38 69.86 03/22/2023 12:40:55 70.51, -14.37 69.86 0.84 56
15 03/22/2023 13:30:41 -70.40, 153.10 110.27 03/22/2023 13:30:22 -70.37, 153.07 110.29 3.12 19

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/9/2023
SNOs_Map_NOAA-21_TERRA_20230309.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/09/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA