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: 4/16/2025
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 04/17/2025 10:41:52 -73.67,-170.51 116.80 04/17/2025 10:42:14 -73.67,-170.41 116.82 3.05 22
2 04/17/2025 11:32:36 73.56, -2.94 63.07 04/17/2025 11:31:35 73.55, -2.99 63.07 2.39 61
3 04/19/2025 21:03:38 73.68,-145.95 62.36 04/19/2025 21:04:10 73.66,-145.95 62.34 1.52 32
4 04/19/2025 21:54:20 -73.59, 21.58 117.76 04/19/2025 21:53:32 -73.57, 21.53 117.76 2.26 48
5 04/22/2025 07:25:22 -73.71,-121.44 118.44 04/22/2025 07:26:06 -73.71,-121.39 118.45 1.83 44
6 04/22/2025 08:16:06 73.61, 46.10 61.44 04/22/2025 08:15:26 73.62, 46.10 61.46 2.08 40
7 04/24/2025 17:47:07 73.69, -96.84 60.73 04/24/2025 17:48:00 73.71, -96.91 60.74 3.20 53
8 04/24/2025 18:37:50 -73.64, 70.61 119.34 04/24/2025 18:37:22 -73.64, 70.60 119.34 0.12 28
9 04/27/2025 04:08:51 -73.73, -72.34 120.02 04/27/2025 04:09:55 -73.75, -72.36 120.02 2.29 64
10 04/27/2025 04:59:35 73.64, 95.18 59.87 04/27/2025 04:59:15 73.64, 95.09 59.88 2.87 20
11 04/29/2025 14:30:36 73.74, -47.80 59.23 04/29/2025 14:31:47 73.75, -47.87 59.23 2.31 71
12 04/29/2025 15:21:19 -73.67, 119.66 120.85 04/29/2025 15:21:09 -73.69, 119.67 120.84 1.99 10

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/16/2025
SNOs_Map_NPP_TERRA_20250416.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/16/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA