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: 4/21/2025
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 04/22/2025 07:25:22 -73.71,-121.45 118.44 04/22/2025 07:26:06 -73.72,-121.37 118.45 2.91 44
2 04/22/2025 08:16:06 73.60, 46.11 61.43 04/22/2025 08:15:27 73.59, 46.03 61.43 2.95 39
3 04/24/2025 17:47:08 73.74, -96.95 60.78 04/24/2025 17:48:00 73.75, -96.84 60.77 3.56 52
4 04/24/2025 18:37:50 -73.64, 70.60 119.34 04/24/2025 18:37:23 -73.61, 70.55 119.36 3.29 27
5 04/27/2025 04:08:51 -73.72, -72.34 120.02 04/27/2025 04:09:56 -73.75, -72.37 120.02 2.61 65
6 04/27/2025 04:59:36 73.68, 95.08 59.92 04/27/2025 04:59:16 73.65, 95.09 59.89 3.64 20
7 04/29/2025 14:30:37 73.78, -47.90 59.28 04/29/2025 14:31:48 73.79, -47.80 59.26 3.19 71
8 04/29/2025 15:21:19 -73.67, 119.68 120.86 04/29/2025 15:21:11 -73.67, 119.62 120.85 1.92 8
9 05/02/2025 00:52:28 -74.16, -24.26 121.04 05/02/2025 00:53:38 -74.05, -22.76 121.25 47.40 70
10 05/02/2025 01:43:04 73.69, 144.21 58.42 05/02/2025 01:43:02 73.72, 144.21 58.46 3.90 2
11 05/02/2025 02:33:40 -73.27, -47.53 122.05 05/02/2025 02:32:30 -73.35, -48.89 121.88 44.40 70
12 05/04/2025 11:14:17 74.44, -0.40 58.56 05/04/2025 11:15:23 74.32, 2.33 58.29 83.06 66
13 05/04/2025 12:04:47 -73.73, 168.68 122.25 05/04/2025 12:04:55 -73.74, 168.74 122.24 2.51 8

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/21/2025
SNOs_Map_NPP_TERRA_20250421.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/21/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA