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: 2/27/2025
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 02/28/2025 05:11:28 -73.46, -87.45 98.36 02/28/2025 05:12:09 -73.46, -87.36 98.38 2.96 41
2 02/28/2025 06:02:12 73.34, 80.12 81.50 02/28/2025 06:01:30 73.34, 80.06 81.50 2.27 42
3 03/02/2025 15:33:11 73.49, -62.95 80.75 03/02/2025 15:34:23 73.46, -62.97 80.70 3.67 72
4 03/02/2025 16:23:53 -73.41, 104.55 99.36 03/02/2025 16:23:45 -73.39, 104.56 99.38 2.24 8
5 03/02/2025 17:14:23 72.59, -86.38 79.72 03/02/2025 17:13:18 72.62, -89.25 79.96 95.36 65
6 03/05/2025 02:45:36 73.46, 129.01 79.76 03/05/2025 02:45:57 73.44, 129.06 79.73 2.99 21
7 03/05/2025 03:36:18 -73.37, -63.48 100.36 03/05/2025 03:35:19 -73.37, -63.43 100.36 1.81 59
8 03/07/2025 13:07:16 -73.50, 153.51 101.16 03/07/2025 13:08:10 -73.49, 153.55 101.19 1.61 54
9 03/07/2025 13:58:00 73.40, -38.95 78.72 03/07/2025 13:57:30 73.42, -38.92 78.74 2.49 30
10 03/09/2025 23:29:05 73.93, 177.06 78.38 03/09/2025 23:30:14 73.80, 178.61 78.13 50.43 69
11 03/10/2025 00:19:39 -73.44, -14.46 102.20 03/10/2025 00:19:41 -73.46, -14.44 102.18 2.24 2
12 03/10/2025 01:10:17 73.04, 153.73 77.35 03/10/2025 01:09:06 73.12, 152.57 77.52 38.50 71
13 03/12/2025 10:41:21 73.50, 9.98 76.91 03/12/2025 10:41:50 73.51, 10.08 76.90 3.28 29
14 03/12/2025 11:32:03 -73.39, 177.54 103.23 03/12/2025 11:31:13 -73.37, 177.47 103.23 3.23 50

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/27/2025
SNOs_Map_NOAA-21_TERRA_20250227.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/27/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA