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: 1/23/2025
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 71.19, 95.95 90.07 01/26/2025 05:04:57 71.27, 98.25 90.02 82.53 67
2 01/26/2025 05:54:42 -71.85, -95.58 89.35 01/26/2025 05:55:53 -71.87, -95.53 89.35 3.28 71
3 01/26/2025 06:45:33 71.90, 71.80 90.69 01/26/2025 06:46:39 71.89, 71.74 90.67 1.97 66
4 01/26/2025 07:36:38 -71.89,-120.98 89.33 01/26/2025 07:37:23 -71.88,-120.92 89.36 2.76 45
5 01/26/2025 08:27:30 71.89, 46.30 90.66 01/26/2025 08:28:09 71.90, 46.36 90.66 2.03 39
6 01/26/2025 09:18:34 -71.94,-146.37 89.31 01/26/2025 09:18:54 -71.93,-146.39 89.32 1.13 20
7 01/26/2025 10:09:26 71.94, 20.91 90.69 01/26/2025 10:09:40 71.95, 20.88 90.70 1.94 14
8 01/26/2025 11:00:31 -71.94,-171.86 89.33 01/26/2025 11:00:24 -71.94,-171.78 89.33 3.04 7
9 01/26/2025 11:51:22 71.98, -4.49 90.71 01/26/2025 11:51:10 71.96, -4.50 90.69 3.03 12
10 01/26/2025 12:42:27 -71.98, 162.74 89.31 01/26/2025 12:41:55 -71.99, 162.74 89.29 1.22 32
11 01/26/2025 13:33:19 71.98, -29.98 90.69 01/26/2025 13:32:41 72.01, -29.98 90.73 3.73 38
12 01/26/2025 14:24:23 -72.03, 137.35 89.28 01/26/2025 14:23:25 -72.00, 137.36 89.30 3.48 58
13 01/26/2025 15:15:15 72.03, -55.38 90.71 01/26/2025 15:14:11 72.02, -55.37 90.72 0.98 64
14 01/26/2025 16:06:14 -72.33, 112.46 89.03 01/26/2025 16:05:02 -72.36, 111.29 88.93 39.78 72
15 01/26/2025 16:57:01 72.58, -79.73 91.19 01/26/2025 16:55:52 72.58, -81.86 91.32 70.62 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 1/23/2025
SNOs_Map_NOAA-19_NPP_20250123.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 01/23/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP