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: 3/21/2023
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,-127.35 70.30 03/21/2023 20:13:34 70.66,-127.33 70.28 1.91 33
2 03/21/2023 21:03:42 -70.54, 40.19 109.86 03/21/2023 21:03:00 -70.57, 40.19 109.83 2.99 42
3 03/24/2023 09:06:59 70.64, 39.22 69.26 03/24/2023 09:07:16 70.65, 39.22 69.26 1.00 17
4 03/24/2023 09:57:41 -70.56,-153.33 110.85 03/24/2023 09:56:42 -70.56,-153.27 110.84 1.95 59
5 03/26/2023 21:10:20 -71.11, 37.65 111.25 03/26/2023 21:11:31 -70.96, 38.57 111.44 36.91 71
6 03/26/2023 22:00:57 70.62,-154.23 68.23 03/26/2023 22:00:58 70.61,-154.29 68.22 2.51 1
7 03/26/2023 22:51:38 -70.48, 13.31 111.93 03/26/2023 22:50:24 -70.52, 13.22 111.89 5.35 74
8 03/29/2023 10:04:11 -70.73,-155.19 112.65 03/29/2023 10:05:16 -70.72,-155.24 112.66 1.77 65
9 03/29/2023 10:54:55 70.61, 12.31 67.22 03/29/2023 10:54:39 70.59, 12.23 67.20 3.41 16
10 03/29/2023 11:45:24 -69.84,-179.17 113.61 03/29/2023 11:44:16 -69.89, 178.89 113.48 74.72 68
11 03/31/2023 22:58:08 -70.72, 11.34 113.65 03/31/2023 22:58:55 -70.72, 11.32 113.66 0.65 47
12 03/31/2023 23:48:52 70.61, 178.83 66.22 03/31/2023 23:48:18 70.59, 178.79 66.21 2.28 34
13 04/03/2023 11:52:06 -70.72, 177.85 114.63 04/03/2023 11:52:34 -70.74, 177.91 114.62 2.64 28
14 04/03/2023 12:42:50 70.61, -14.66 65.25 04/03/2023 12:41:57 70.61, -14.62 65.25 1.40 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/21/2023
SNOs_Map_NPP_TERRA_20230321.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/21/2023 in txt file.

Historial Predications of SNOs between NPP and TERRA