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: 7/21/2026
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 07/23/2026 20:49:30 76.11,-146.98 56.72 07/23/2026 20:50:28 76.12,-147.10 56.72 3.42 58
2 07/23/2026 21:40:13 -76.07, 20.48 123.32 07/23/2026 21:39:48 -76.08, 20.45 123.31 0.97 25
3 07/26/2026 06:20:41 76.65, 68.31 57.90 07/26/2026 06:21:47 76.52, 71.22 57.54 76.52 66
4 07/26/2026 07:11:13 -76.12,-122.41 122.75 07/26/2026 07:11:15 -76.09,-122.44 122.78 2.95 2
5 07/26/2026 08:01:48 75.60, 46.62 56.64 07/26/2026 08:00:41 75.66, 44.01 56.92 72.41 67
6 07/28/2026 16:42:12 -76.12, 94.85 122.21 07/28/2026 16:42:41 -76.15, 94.80 122.19 3.13 29
7 07/28/2026 17:32:57 76.07, -97.65 57.74 07/28/2026 17:32:00 76.06, -97.78 57.76 3.29 57
8 07/31/2026 02:13:11 -76.17, -48.06 121.57 07/31/2026 02:14:06 -76.19, -47.99 121.58 2.73 55
9 07/31/2026 03:03:56 76.12, 119.44 58.38 07/31/2026 03:03:25 76.10, 119.41 58.36 2.59 31
10 08/02/2026 11:44:19 -76.58, 167.70 120.47 08/02/2026 11:45:27 -76.47, 169.96 120.77 60.01 68
11 08/02/2026 12:34:55 76.13, -23.33 58.99 08/02/2026 12:34:51 76.12, -23.43 58.99 2.92 4

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/21/2026
SNOs_Map_NPP_TERRA_20260722.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/21/2026 in txt file.

Historial Predications of SNOs between NPP and TERRA