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: 4/2/2026
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 04/04/2026 00:40:06 -75.52, -23.50 109.72 04/04/2026 00:41:10 -75.54, -23.54 109.72 2.87 64
2 04/04/2026 01:30:52 75.49, 143.89 70.24 04/04/2026 01:30:29 75.47, 143.95 70.22 2.80 23
3 04/06/2026 11:01:55 75.52, 1.05 69.35 04/06/2026 11:02:07 75.52, 1.10 69.34 1.51 12
4 04/06/2026 11:52:37 -75.45, 168.60 110.75 04/06/2026 11:51:28 -75.45, 168.59 110.73 0.80 69
5 04/08/2026 20:32:58 75.56,-141.80 68.49 04/08/2026 20:33:45 75.54,-141.80 68.46 1.70 47
6 04/08/2026 21:23:40 -75.48, 25.76 111.62 04/08/2026 21:23:06 -75.48, 25.70 111.61 1.54 34
7 04/11/2026 06:04:09 75.97, 74.10 68.08 04/11/2026 06:05:17 75.84, 76.07 67.81 55.11 68
8 04/11/2026 06:54:43 -75.52,-117.11 112.47 04/11/2026 06:54:43 -75.54,-117.11 112.45 2.25 0
9 04/11/2026 07:45:17 74.93, 51.96 66.84 04/11/2026 07:44:11 74.98, 49.11 67.10 82.32 66
10 04/13/2026 16:25:45 -75.56, 100.01 113.30 04/13/2026 16:26:19 -75.57, 100.00 113.31 0.61 34
11 04/13/2026 17:16:30 75.50, -92.49 66.62 04/13/2026 17:15:37 75.52, -92.47 66.64 1.56 53
12 04/16/2026 01:56:48 -75.61, -42.89 114.11 04/16/2026 01:57:55 -75.62, -42.81 114.13 2.52 67
13 04/16/2026 02:47:33 75.56, 124.60 65.81 04/16/2026 02:47:13 75.56, 124.70 65.82 2.96 20

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/2/2026
SNOs_Map_NPP_TERRA_20260403.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/02/2026 in txt file.

Historial Predications of SNOs between NPP and TERRA