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: 6/14/2025
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 06/15/2025 11:51:29 -74.34, 170.39 128.69 06/15/2025 11:52:38 -74.25, 172.04 128.89 50.69 69
2 06/15/2025 12:42:06 73.87, -21.14 50.78 06/15/2025 12:42:03 73.88, -21.11 50.79 0.91 3
3 06/15/2025 13:32:41 -73.46, 147.16 129.68 06/15/2025 13:31:31 -73.49, 145.75 129.54 44.79 70
4 06/17/2025 22:13:13 74.36,-165.10 51.28 06/17/2025 22:14:22 74.24,-163.46 51.04 51.37 69
5 06/17/2025 23:03:46 -73.90, 3.38 129.25 06/17/2025 23:03:48 -73.91, 3.47 129.25 3.14 2
6 06/17/2025 23:54:23 73.43, 171.79 50.22 06/17/2025 23:53:14 73.48, 170.25 50.39 49.36 69
7 06/20/2025 08:34:56 -74.53,-140.97 128.55 06/20/2025 08:36:03 -74.46,-138.44 128.80 75.50 67
8 06/20/2025 09:25:29 73.88, 28.00 50.71 06/20/2025 09:25:32 73.88, 27.93 50.71 1.92 3
9 06/20/2025 10:16:08 -73.65,-164.15 129.55 06/20/2025 10:14:56 -73.70,-164.78 129.45 20.40 72
10 06/22/2025 18:56:40 74.57,-116.51 51.51 06/22/2025 18:57:46 74.47,-113.90 51.23 78.29 66
11 06/22/2025 19:47:10 -73.91, 52.51 129.25 06/22/2025 19:47:17 -73.92, 52.53 129.24 2.02 7
12 06/22/2025 20:37:51 73.64,-139.56 50.46 06/22/2025 20:36:39 73.71,-140.25 50.59 22.82 72
13 06/25/2025 06:08:53 73.91, 77.08 50.81 06/25/2025 06:09:00 73.91, 77.04 50.82 1.75 7
14 06/25/2025 06:59:35 -73.82,-115.39 129.29 06/25/2025 06:58:22 -73.83,-115.47 129.25 2.82 73
15 06/27/2025 15:40:06 74.71, -67.71 51.82 06/27/2025 15:41:11 74.62, -64.52 51.51 94.41 65
16 06/27/2025 16:30:34 -73.93, 101.60 129.07 06/27/2025 16:30:44 -73.96, 101.65 129.05 3.31 10

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 6/14/2025
SNOs_Map_NOAA-21_TERRA_20250614.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 06/14/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA