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: 2/16/2025
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 02/17/2025 19:15:36 -73.36, 61.64 94.63 02/17/2025 19:16:27 -73.38, 61.59 94.63 1.93 51
2 02/17/2025 20:06:20 73.27,-130.84 85.26 02/17/2025 20:05:47 73.28,-130.93 85.28 2.93 33
3 02/20/2025 05:37:28 73.95, 84.84 85.17 02/20/2025 05:38:36 73.83, 86.92 84.90 65.66 68
4 02/20/2025 06:28:00 -73.36,-106.45 95.52 02/20/2025 06:28:06 -73.37,-106.38 95.52 2.48 6
5 02/20/2025 07:18:40 73.06, 61.52 84.14 02/20/2025 07:17:28 73.17, 60.89 84.30 23.19 72
6 02/22/2025 16:49:41 73.41, -81.98 83.66 02/22/2025 16:50:22 73.41, -81.90 83.64 2.46 41
7 02/22/2025 17:40:23 -73.31, 85.56 96.47 02/22/2025 17:39:45 -73.32, 85.57 96.46 0.60 38
8 02/25/2025 03:11:26 -73.77, -58.21 96.85 02/25/2025 03:12:36 -73.68, -56.98 97.03 39.55 70
9 02/25/2025 04:02:04 73.38, 110.01 82.70 02/25/2025 04:02:00 73.38, 110.07 82.70 2.02 4
10 02/25/2025 04:52:39 -72.93, -81.69 97.81 02/25/2025 04:51:29 -72.96, -83.09 97.68 45.72 70
11 02/27/2025 14:23:42 -73.39, 134.56 98.20 02/27/2025 14:24:18 -73.38, 134.47 98.21 3.34 36
12 02/27/2025 15:14:27 73.35, -58.03 81.75 02/27/2025 15:13:37 73.35, -57.93 81.75 3.08 50
13 03/02/2025 00:45:23 73.48, 158.97 80.97 03/02/2025 00:46:31 73.47, 159.04 80.94 2.45 68
14 03/02/2025 01:36:05 -73.38, -33.49 99.16 03/02/2025 01:35:54 -73.36, -33.52 99.17 2.33 11

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2025
SNOs_Map_NPP_TERRA_20250216.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/16/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA