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: 12/5/2022
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 19:12:19 -79.27, 39.86 77.02 12/05/2022 19:11:15 -79.27, 39.80 76.99 1.35 64
2 12/05/2022 20:03:12 79.55,-155.05 103.43 12/05/2022 20:02:09 79.55,-155.16 103.47 2.18 63
3 12/05/2022 20:52:51 -77.80, 23.41 79.07 12/05/2022 20:52:06 -77.80, 23.41 79.05 0.11 45
4 12/05/2022 21:43:46 78.21,-171.40 101.49 12/05/2022 21:43:02 78.21,-171.44 101.51 0.79 44
5 12/05/2022 22:33:00 -75.04, 8.39 82.34 12/05/2022 22:32:34 -75.03, 8.43 82.34 1.11 26
6 12/05/2022 23:23:59 75.70, 173.72 98.41 12/05/2022 23:23:34 75.69, 173.72 98.42 0.23 25
7 12/06/2022 00:12:35 -70.20, -6.80 87.44 12/06/2022 00:12:28 -70.20, -6.77 87.45 1.19 7
8 12/06/2022 01:03:36 71.02, 159.20 93.40 12/06/2022 01:03:30 71.02, 159.21 93.40 0.65 6
9 12/06/2022 01:51:51 -63.99, -24.78 93.57 12/06/2022 01:52:03 -63.99, -24.78 93.57 0.26 12
10 12/06/2022 02:42:01 61.99, 144.23 84.51 12/06/2022 02:42:14 61.99, 144.23 84.52 0.05 13
11 12/06/2022 03:28:22 -48.10, -40.50 108.50 12/06/2022 03:28:52 -48.10, -40.53 108.48 1.96 30
12 12/06/2022 04:18:16 45.10, 128.01 68.77 12/06/2022 04:18:48 45.10, 127.98 68.78 2.26 32
13 12/06/2022 05:31:28 -52.82, 130.06 40.35 12/06/2022 05:32:21 -52.79, 130.06 40.45 2.89 53
14 12/06/2022 06:21:17 55.67, -61.09 137.38 12/06/2022 06:22:13 55.67, -61.08 137.27 0.18 56
15 12/06/2022 07:08:19 -67.32, 115.64 52.71 12/06/2022 07:09:31 -67.31, 115.62 52.79 1.24 72

Figure of NOAA-21 and NPP satellite orbits during SNOs since TLE Epoch: 12/5/2022
SNOs_Map_NOAA-21_NPP_20221205.jpg

Download SNOs between NOAA-21 and NPP since TLE EPOCH: 12/05/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and NPP