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: 10/20/2025
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 10/21/2025 14:52:32 74.61, -54.86 85.59 10/21/2025 14:52:45 74.62, -54.83 85.60 1.75 13
2 10/21/2025 15:43:15 -74.54, 112.64 94.47 10/21/2025 15:42:06 -74.55, 112.68 94.45 1.82 69
3 10/24/2025 00:23:35 74.86, 161.72 86.70 10/24/2025 00:24:47 74.75, 162.40 86.56 23.58 72
4 10/24/2025 01:14:14 -74.60, -30.25 93.57 10/24/2025 01:14:09 -74.62, -30.22 93.55 2.81 5
5 10/24/2025 02:04:46 73.94, 138.77 85.73 10/24/2025 02:03:40 73.96, 135.94 85.86 87.10 66
6 10/26/2025 10:45:12 -74.66,-173.16 92.68 10/26/2025 10:46:11 -74.66,-173.20 92.70 1.52 59
7 10/26/2025 11:35:56 74.59, -5.64 87.25 10/26/2025 11:35:30 74.62, -5.62 87.29 3.58 26
8 10/28/2025 21:06:55 74.66,-148.57 88.14 10/28/2025 21:07:32 74.68,-148.55 88.14 1.53 37
9 10/28/2025 21:57:38 -74.60, 18.93 91.93 10/28/2025 21:56:53 -74.60, 18.93 91.92 0.54 45
10 10/31/2025 07:28:37 -74.68,-124.02 91.06 10/31/2025 07:28:54 -74.67,-123.96 91.07 1.90 17
11 10/31/2025 08:19:21 74.60, 43.50 88.87 10/31/2025 08:18:14 74.58, 43.50 88.86 2.05 67
12 11/02/2025 16:59:41 -75.00, 92.33 89.94 11/02/2025 17:00:51 -74.91, 93.57 90.09 37.13 70
13 11/02/2025 17:50:19 74.64, -99.34 89.68 11/02/2025 17:50:14 74.67, -99.34 89.71 3.35 5

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/20/2025
SNOs_Map_NPP_TERRA_20251021.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/20/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA