Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/4/2022
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 12/05/2022 19:12:18 -79.24, 40.08 77.07 12/05/2022 19:11:14 -79.24, 40.02 77.04 1.14 64
2 12/05/2022 20:03:12 79.56,-155.10 103.44 12/05/2022 20:02:09 79.56,-155.20 103.48 2.15 63
3 12/05/2022 20:52:49 -77.72, 23.78 79.16 12/05/2022 20:52:04 -77.72, 23.79 79.15 0.31 45
4 12/05/2022 21:43:46 78.22,-171.44 101.50 12/05/2022 21:43:02 78.22,-171.47 101.51 0.76 44
5 12/05/2022 22:32:57 -74.90, 8.78 82.49 12/05/2022 22:32:31 -74.90, 8.82 82.49 1.30 26
6 12/05/2022 23:23:59 75.70, 173.69 98.42 12/05/2022 23:23:34 75.70, 173.70 98.43 0.27 25
7 12/06/2022 00:12:30 -69.95, -6.41 87.70 12/06/2022 00:12:23 -69.94, -6.37 87.71 1.35 7
8 12/06/2022 01:03:36 71.03, 159.18 93.41 12/06/2022 01:03:30 71.02, 159.20 93.41 0.69 6
9 12/06/2022 01:51:44 -63.61, -24.44 93.94 12/06/2022 01:51:56 -63.61, -24.44 93.94 0.16 12
10 12/06/2022 02:42:00 61.94, 144.27 84.47 12/06/2022 02:42:13 61.94, 144.27 84.47 0.09 13
11 12/06/2022 03:28:16 -47.76, -40.36 108.81 12/06/2022 03:28:46 -47.76, -40.39 108.79 1.92 30
12 12/06/2022 04:18:16 45.11, 128.00 68.77 12/06/2022 04:18:48 45.11, 127.97 68.79 2.25 32
13 12/06/2022 05:31:27 -52.86, 130.09 40.39 12/06/2022 05:32:20 -52.84, 130.08 40.49 2.67 53
14 12/06/2022 06:21:15 55.77, -61.03 137.30 12/06/2022 06:22:11 55.77, -61.02 137.19 0.16 56
15 12/06/2022 07:08:14 -67.58, 115.95 52.95 12/06/2022 07:09:26 -67.58, 115.94 53.03 1.03 72

Figure of NOAA-21 and NPP satellite orbits during SNOs since TLE Epoch: 12/4/2022
SNOs_Map_NOAA-21_NPP_20221204.jpg

Download SNOs between NOAA-21 and NPP since TLE EPOCH: 12/04/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and NPP