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: 12/31/2024
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 01/10/2025 05:54:29 -71.44, -96.61 86.50 01/10/2025 05:55:38 -71.51, -94.85 86.52 62.63 69
2 01/10/2025 06:45:17 71.74, 71.23 93.77 01/10/2025 06:46:29 71.79, 71.95 93.78 25.76 72
3 01/10/2025 07:36:15 -71.99,-121.04 86.01 01/10/2025 07:37:17 -71.98,-121.08 86.04 2.43 62
4 01/10/2025 08:27:09 71.99, 46.23 93.99 01/10/2025 08:28:03 72.00, 46.18 93.99 2.19 54
5 01/10/2025 09:18:12 -71.99,-146.52 86.02 01/10/2025 09:18:47 -71.98,-146.46 86.04 2.47 35
6 01/10/2025 10:09:06 71.99, 20.74 93.97 01/10/2025 10:09:33 72.00, 20.80 93.98 2.71 27
7 01/10/2025 11:00:08 -72.04,-171.91 85.99 01/10/2025 11:00:18 -72.03,-171.94 86.00 1.26 10
8 01/10/2025 11:51:02 72.03, -4.65 94.01 01/10/2025 11:51:04 72.06, -4.68 94.03 2.63 2
9 01/10/2025 12:42:05 -72.04, 162.60 86.00 01/10/2025 12:41:48 -72.03, 162.68 86.00 2.81 17
10 01/10/2025 13:32:58 72.08, -30.04 94.04 01/10/2025 13:32:34 72.06, -30.06 94.02 2.77 24
11 01/10/2025 14:24:01 -72.09, 137.21 85.97 01/10/2025 14:23:19 -72.09, 137.20 85.96 0.31 42
12 01/10/2025 15:14:55 72.08, -55.52 94.03 01/10/2025 15:14:05 72.11, -55.53 94.07 3.58 50
13 01/10/2025 16:05:57 -72.14, 111.82 85.93 01/10/2025 16:04:50 -72.14, 111.73 85.91 3.41 67
14 01/10/2025 16:56:50 72.18, -80.81 94.11 01/10/2025 16:55:36 72.17, -81.01 94.12 6.99 74
15 01/10/2025 17:47:40 -72.83, 87.80 85.30 01/10/2025 17:46:33 -72.80, 85.02 85.20 91.41 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 12/31/2024
SNOs_Map_NOAA-19_NPP_20241231.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 12/31/2024 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP