Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/20/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 01/21/2025 20:12:53 73.75,-133.59 93.77 01/21/2025 20:14:01 73.67,-131.72 93.56 58.96 68
2 01/21/2025 21:03:26 -73.18, 35.03 86.88 01/21/2025 21:03:32 -73.18, 34.95 86.88 2.65 6
3 01/21/2025 21:54:06 72.90,-157.06 92.81 01/21/2025 21:52:54 72.96,-157.80 92.93 25.15 72
4 01/24/2025 07:25:09 73.23, 59.49 92.62 01/24/2025 07:25:57 73.23, 59.40 92.61 2.85 48
5 01/24/2025 08:15:52 -73.16,-133.04 87.47 01/24/2025 08:15:20 -73.17,-133.06 87.45 1.39 32
6 01/26/2025 17:47:07 -74.09, 82.06 87.02 01/26/2025 17:48:12 -73.98, 85.30 87.33 99.87 65
7 01/26/2025 18:37:35 73.23,-108.60 92.01 01/26/2025 18:37:44 73.23,-108.59 92.01 0.33 9
8 01/26/2025 19:28:18 -73.16, 58.88 88.09 01/26/2025 19:27:07 -73.17, 58.96 88.06 3.34 71
9 01/29/2025 04:59:16 -73.31, -84.19 88.54 01/29/2025 05:00:10 -73.31, -84.10 88.56 2.84 54
10 01/29/2025 05:49:59 73.19, 83.39 91.32 01/29/2025 05:49:30 73.18, 83.33 91.32 2.15 29
11 01/31/2025 16:11:41 -73.28, 107.78 89.25 01/31/2025 16:11:56 -73.27, 107.84 89.27 2.10 15
12 01/31/2025 17:02:24 73.16, -84.64 90.61 01/31/2025 17:01:16 73.14, -84.74 90.61 3.58 68
13 02/03/2025 02:33:23 73.33, 132.24 90.12 02/03/2025 02:34:17 73.34, 132.35 90.10 3.52 54
14 02/03/2025 03:24:06 -73.26, -60.28 89.98 02/03/2025 03:23:41 -73.23, -60.20 90.00 3.34 25

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/20/2025
SNOs_Map_NPP_TERRA_20250120.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/20/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA