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: 4/17/2025
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 -73.64,-170.44 116.83 04/17/2025 10:42:15 -73.65,-170.46 116.84 0.69 23
2 04/17/2025 11:32:37 73.58, -2.98 63.09 04/17/2025 11:31:35 73.58, -2.93 63.10 1.69 62
3 04/19/2025 21:03:38 73.65,-145.88 62.33 04/19/2025 21:04:11 73.64,-145.99 62.32 3.55 33
4 04/19/2025 21:54:21 -73.61, 21.53 117.74 04/19/2025 21:53:32 -73.60, 21.59 117.73 1.82 49
5 04/22/2025 07:25:21 -73.68,-121.38 118.47 04/22/2025 07:26:06 -73.69,-121.44 118.48 1.90 45
6 04/22/2025 08:16:06 73.63, 46.05 61.46 04/22/2025 08:15:26 73.60, 46.06 61.44 2.87 40
7 04/24/2025 17:47:07 73.72, -96.90 60.76 04/24/2025 17:47:59 73.74, -96.85 60.77 3.09 52
8 04/24/2025 18:37:50 -73.66, 70.54 119.31 04/24/2025 18:37:21 -73.66, 70.66 119.31 3.52 29
9 04/27/2025 04:08:51 -73.75, -72.41 119.99 04/27/2025 04:09:54 -73.77, -72.31 120.00 3.46 63
10 04/27/2025 04:59:35 73.66, 95.11 59.90 04/27/2025 04:59:14 73.66, 95.14 59.91 0.92 21
11 04/29/2025 14:30:36 73.77, -47.88 59.27 04/29/2025 14:31:46 73.77, -47.82 59.25 1.93 70
12 04/29/2025 15:21:18 -73.66, 119.70 120.87 04/29/2025 15:21:09 -73.66, 119.61 120.86 2.97 9

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/17/2025
SNOs_Map_NPP_TERRA_20250417.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/17/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA