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: 3/2/2025
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 03/02/2025 15:33:11 73.49, -62.96 80.75 03/02/2025 15:34:22 73.51, -62.86 80.74 3.72 71
2 03/02/2025 16:23:53 -73.41, 104.54 99.36 03/02/2025 16:23:45 -73.39, 104.54 99.39 3.16 8
3 03/02/2025 17:14:23 72.59, -86.38 79.72 03/02/2025 17:13:18 72.62, -89.25 79.96 95.35 65
4 03/05/2025 02:45:36 73.46, 129.01 79.76 03/05/2025 02:45:57 73.45, 129.08 79.74 2.54 21
5 03/05/2025 03:36:18 -73.38, -63.48 100.36 03/05/2025 03:35:19 -73.38, -63.41 100.35 2.35 59
6 03/07/2025 13:07:16 -73.50, 153.51 101.16 03/07/2025 13:08:11 -73.46, 153.50 101.21 3.45 55
7 03/07/2025 13:58:00 73.39, -38.94 78.71 03/07/2025 13:57:31 73.40, -38.96 78.73 1.02 29
8 03/09/2025 23:29:06 73.98, 176.95 78.43 03/09/2025 23:30:14 73.87, 178.75 78.19 56.77 68
9 03/10/2025 00:19:39 -73.43, -14.45 102.20 03/10/2025 00:19:43 -73.41, -14.53 102.22 3.21 4
10 03/10/2025 01:10:18 73.08, 153.63 77.40 03/10/2025 01:09:07 73.14, 152.59 77.54 34.06 71
11 03/12/2025 10:41:21 73.49, 10.00 76.90 03/12/2025 10:41:52 73.51, 10.07 76.91 3.24 31
12 03/12/2025 11:32:03 -73.38, 177.56 103.24 03/12/2025 11:31:15 -73.37, 177.45 103.23 3.54 48
13 03/14/2025 21:03:01 -73.54, 34.47 104.02 03/14/2025 21:04:03 -73.53, 34.53 104.05 1.92 62
14 03/14/2025 21:53:45 73.45,-158.03 75.88 03/14/2025 21:53:23 73.47,-157.93 75.89 3.70 22

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/2/2025
SNOs_Map_NOAA-21_TERRA_20250302.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/02/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA