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: 4/28/2020
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 04/30/2020 02:55:53 68.35, 134.57 53.35 04/30/2020 02:56:49 68.37, 134.57 53.36 1.72 56
2 04/30/2020 03:46:34 -68.21, -57.94 126.81 04/30/2020 03:46:20 -68.20, -58.00 126.82 3.11 14
3 04/30/2020 04:37:07 67.49, 110.26 52.47 04/30/2020 04:35:57 67.53, 108.88 52.51 59.06 70
4 05/02/2020 19:12:46 68.30,-109.59 52.49 05/02/2020 19:13:16 68.29,-109.63 52.48 1.77 30
5 05/02/2020 20:03:27 -68.15, 57.91 127.66 05/02/2020 20:02:46 -68.18, 57.87 127.64 2.97 41
6 05/05/2020 10:39:01 -68.63,-161.56 127.93 05/05/2020 10:40:13 -68.54,-161.07 128.03 22.08 72
7 05/05/2020 11:29:40 68.25, 6.24 51.67 05/05/2020 11:29:43 68.26, 6.23 51.69 1.81 3
8 05/05/2020 12:20:22 -68.15, 173.68 128.44 05/05/2020 12:19:13 -68.16, 173.74 128.44 2.26 69
9 05/08/2020 02:55:51 -68.37, -45.44 128.94 05/08/2020 02:56:43 -68.35, -45.42 128.96 2.05 52
10 05/08/2020 03:46:34 68.20, 122.08 50.89 05/08/2020 03:46:11 68.18, 122.02 50.86 3.49 23
11 05/08/2020 04:37:02 -67.35, -69.56 129.98 05/08/2020 04:35:53 -67.40, -71.24 129.92 72.04 69
12 05/10/2020 18:22:19 69.28, -98.22 51.29 05/10/2020 18:23:26 69.20, -96.09 51.20 84.24 67
13 05/10/2020 19:12:45 -68.32, 70.39 129.69 05/10/2020 19:13:10 -68.32, 70.44 129.70 1.78 25
14 05/10/2020 20:03:28 68.16,-122.09 50.14 05/10/2020 20:02:38 68.14,-122.13 50.12 2.08 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/28/2020
SNOs_Map_NPP_TERRA_20200428.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/28/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service