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: 1/20/2025
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 71.20, 95.97 90.08 01/26/2025 05:04:57 71.26, 98.27 90.00 82.39 67
2 01/26/2025 05:54:42 -71.86, -95.56 89.34 01/26/2025 05:55:53 -71.86, -95.51 89.36 1.75 71
3 01/26/2025 06:45:33 71.91, 71.82 90.69 01/26/2025 06:46:39 71.88, 71.76 90.66 3.26 66
4 01/26/2025 07:36:38 -71.91,-120.95 89.32 01/26/2025 07:37:24 -71.91,-120.98 89.32 1.46 46
5 01/26/2025 08:27:30 71.90, 46.32 90.67 01/26/2025 08:28:09 71.89, 46.38 90.65 2.63 39
6 01/26/2025 09:18:35 -71.90,-146.45 89.34 01/26/2025 09:18:54 -71.92,-146.37 89.33 3.34 19
7 01/26/2025 10:09:26 71.95, 20.93 90.69 01/26/2025 10:09:40 71.94, 20.90 90.69 1.06 14
8 01/26/2025 11:00:31 -71.95,-171.84 89.32 01/26/2025 11:00:25 -71.97,-171.85 89.29 2.97 6
9 01/26/2025 11:51:23 71.94, -4.57 90.67 01/26/2025 11:51:10 71.95, -4.48 90.67 3.01 13
10 01/26/2025 12:42:27 -71.99, 162.76 89.30 01/26/2025 12:41:55 -71.98, 162.77 89.30 1.69 32
11 01/26/2025 13:33:19 71.99, -29.96 90.70 01/26/2025 13:32:41 72.00, -29.96 90.72 1.50 38
12 01/26/2025 14:24:23 -72.04, 137.37 89.27 01/26/2025 14:23:26 -72.03, 137.29 89.26 2.73 57
13 01/26/2025 15:15:15 72.03, -55.36 90.72 01/26/2025 15:14:11 72.01, -55.34 90.70 3.16 64
14 01/26/2025 16:06:14 -72.34, 112.48 89.02 01/26/2025 16:05:02 -72.34, 111.32 88.94 39.46 72
15 01/26/2025 16:57:01 72.58, -79.71 91.20 01/26/2025 16:55:52 72.57, -81.83 91.30 70.51 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 1/20/2025
SNOs_Map_NOAA-19_NPP_20250120.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 01/20/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP