Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/19/2025
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 01/26/2025 05:03:50 71.21, 96.00 90.09 01/26/2025 05:04:57 71.25, 98.28 89.99 81.93 67
2 01/26/2025 05:54:42 -71.87, -95.53 89.33 01/26/2025 05:55:53 -71.85, -95.49 89.37 3.17 71
3 01/26/2025 06:45:34 71.87, 71.74 90.66 01/26/2025 06:46:39 71.87, 71.78 90.65 1.35 65
4 01/26/2025 07:36:38 -71.92,-120.92 89.31 01/26/2025 07:37:24 -71.90,-120.96 89.33 2.27 46
5 01/26/2025 08:27:30 71.91, 46.35 90.68 01/26/2025 08:28:10 71.93, 46.30 90.69 2.19 40
6 01/26/2025 09:18:35 -71.92,-146.42 89.33 01/26/2025 09:18:54 -71.91,-146.35 89.34 2.60 19
7 01/26/2025 10:09:27 71.91, 20.85 90.66 01/26/2025 10:09:40 71.93, 20.92 90.68 3.31 13
8 01/26/2025 11:00:31 -71.96,-171.81 89.31 01/26/2025 11:00:25 -71.96,-171.83 89.30 0.47 6
9 01/26/2025 11:51:23 71.96, -4.54 90.69 01/26/2025 11:51:10 71.94, -4.46 90.66 3.48 13
10 01/26/2025 12:42:27 -72.01, 162.79 89.28 01/26/2025 12:41:56 -72.02, 162.70 89.26 3.56 31
11 01/26/2025 13:33:19 72.00, -29.93 90.71 01/26/2025 13:32:41 71.99, -29.94 90.71 1.23 38
12 01/26/2025 14:24:24 -72.00, 137.30 89.30 01/26/2025 14:23:26 -72.02, 137.31 89.27 2.16 58
13 01/26/2025 15:15:15 72.05, -55.33 90.73 01/26/2025 15:14:12 72.05, -55.42 90.75 3.24 63
14 01/26/2025 16:06:14 -72.35, 112.52 89.01 01/26/2025 16:05:02 -72.33, 111.34 88.95 39.81 72
15 01/26/2025 16:57:01 72.60, -79.68 91.21 01/26/2025 16:55:52 72.56, -81.81 91.29 70.95 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 1/19/2025
SNOs_Map_NOAA-19_NPP_20250119.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 01/19/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP