Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/20/2023
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 03/21/2023 20:13:01 70.68,-127.36 70.30 03/21/2023 20:13:34 70.65,-127.34 70.27 3.32 33
2 03/21/2023 21:03:42 -70.54, 40.18 109.86 03/21/2023 21:03:00 -70.56, 40.18 109.84 1.71 42
3 03/24/2023 09:06:59 70.65, 39.21 69.27 03/24/2023 09:07:16 70.64, 39.20 69.25 1.29 17
4 03/24/2023 09:57:41 -70.56,-153.33 110.84 03/24/2023 09:56:42 -70.55,-153.29 110.86 2.49 59
5 03/26/2023 21:10:19 -71.06, 37.73 111.30 03/26/2023 21:11:30 -70.99, 38.62 111.41 33.20 71
6 03/26/2023 22:00:57 70.63,-154.24 68.24 03/26/2023 22:00:57 70.65,-154.24 68.25 1.52 0
7 03/26/2023 22:51:37 -70.44, 13.39 111.98 03/26/2023 22:50:24 -70.50, 13.19 111.91 9.84 73
8 03/29/2023 10:04:11 -70.74,-155.21 112.64 03/29/2023 10:05:15 -70.74,-155.20 112.64 0.64 64
9 03/29/2023 10:54:55 70.62, 12.29 67.23 03/29/2023 10:54:38 70.61, 12.27 67.22 1.32 17
10 03/29/2023 11:45:24 -69.85,-179.18 113.60 03/29/2023 11:44:16 -69.86, 178.84 113.51 75.58 68
11 03/31/2023 22:58:09 -70.73, 11.32 113.63 03/31/2023 22:58:55 -70.73, 11.33 113.65 1.17 46
12 03/31/2023 23:48:53 70.62, 178.81 66.24 03/31/2023 23:48:18 70.60, 178.80 66.22 2.84 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/20/2023
SNOs_Map_NPP_TERRA_20230320.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/20/2023 in txt file.

Historial Predications of SNOs between NPP and TERRA