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: 12/3/2022
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 -79.28, 39.78 77.01 12/05/2022 19:11:15 -79.28, 39.71 76.97 1.41 64
2 12/05/2022 20:03:14 79.63,-155.70 103.56 12/05/2022 20:02:11 79.63,-155.81 103.59 2.36 63
3 12/05/2022 20:52:52 -77.85, 23.15 79.00 12/05/2022 20:52:07 -77.85, 23.15 78.98 0.05 45
4 12/05/2022 21:43:48 78.30,-171.92 101.61 12/05/2022 21:43:04 78.31,-171.96 101.63 0.96 44
5 12/05/2022 22:33:01 -75.10, 8.21 82.27 12/05/2022 22:32:35 -75.10, 8.25 82.27 1.05 26
6 12/05/2022 23:24:02 75.85, 173.21 98.59 12/05/2022 23:23:37 75.85, 173.21 98.60 0.08 25
7 12/06/2022 00:12:37 -70.32, -6.99 87.32 12/06/2022 00:12:30 -70.32, -6.96 87.32 1.14 7
8 12/06/2022 01:03:40 71.25, 158.81 93.63 12/06/2022 01:03:34 71.24, 158.82 93.63 0.50 6
9 12/06/2022 01:51:54 -64.17, -24.94 93.40 12/06/2022 01:52:06 -64.17, -24.95 93.39 0.31 12
10 12/06/2022 02:42:08 62.40, 143.90 84.91 12/06/2022 02:42:21 62.40, 143.90 84.91 0.08 13
11 12/06/2022 03:28:25 -48.29, -40.58 108.32 12/06/2022 03:28:55 -48.29, -40.61 108.31 2.00 30
12 12/06/2022 04:18:15 45.06, 128.02 68.73 12/06/2022 04:18:47 45.06, 127.99 68.75 2.32 32
13 12/06/2022 05:31:25 -52.97, 130.14 40.47 12/06/2022 05:32:18 -52.94, 130.14 40.57 2.94 53
14 12/06/2022 06:21:22 55.36, -61.26 137.63 12/06/2022 06:22:18 55.36, -61.26 137.52 0.07 56
15 12/06/2022 07:08:17 -67.41, 115.75 52.79 12/06/2022 07:09:29 -67.40, 115.73 52.87 1.31 72

Figure of NOAA-21 and NPP satellite orbits during SNOs since TLE Epoch: 12/3/2022
SNOs_Map_NOAA-21_NPP_20221203.jpg

Download SNOs between NOAA-21 and NPP since TLE EPOCH: 12/03/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and NPP