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: 12/23/2025
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 12/23/2025 12:41:11 -75.65, 155.26 80.60 12/23/2025 12:42:16 -75.56, 158.69 80.88 95.29 65
2 12/23/2025 13:31:42 74.93, -35.26 98.59 12/23/2025 13:31:46 74.91, -35.32 98.57 2.71 4
3 12/23/2025 14:22:21 -74.70, 132.70 81.68 12/23/2025 14:21:09 -74.78, 132.02 81.55 21.68 72
4 12/25/2025 23:02:43 74.98,-178.13 98.59 12/25/2025 23:03:42 74.98,-178.19 98.59 1.61 59
5 12/25/2025 23:53:26 -74.94, -10.69 81.46 12/25/2025 23:53:04 -74.91, -10.71 81.48 3.26 22
6 12/28/2025 09:24:27 -74.98,-153.56 81.50 12/28/2025 09:25:00 -74.97,-153.61 81.52 2.32 33
7 12/28/2025 10:15:12 74.94, 13.89 98.45 12/28/2025 10:14:18 74.92, 13.94 98.44 2.71 54
8 12/30/2025 18:55:40 -75.60, 61.84 80.93 12/30/2025 18:56:46 -75.51, 64.78 81.18 81.93 66
9 12/30/2025 19:46:13 74.99,-129.01 98.38 12/30/2025 19:46:13 75.00,-128.88 98.38 3.77 0
10 12/30/2025 20:36:50 -74.65, 39.26 82.01 12/30/2025 20:35:39 -74.73, 38.12 81.85 34.88 71
11 01/02/2026 05:17:13 75.00, 88.22 98.22 01/02/2026 05:18:09 75.02, 88.12 98.22 3.18 56
12 01/02/2026 06:07:56 -74.95,-104.30 81.86 01/02/2026 06:07:31 -74.96,-104.37 81.84 2.51 25
13 01/04/2026 15:38:57 -75.00, 112.80 82.02 01/04/2026 15:39:26 -75.01, 112.72 82.02 2.19 29

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/23/2025
SNOs_Map_NPP_TERRA_20251223.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/23/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA