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: 6/25/2020
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 06/27/2020 19:12:35 -68.33, 70.46 135.05 06/27/2020 19:13:16 -68.33, 70.44 135.05 0.69 41
2 06/27/2020 20:03:19 68.19,-122.07 44.82 06/27/2020 20:02:43 68.22,-122.05 44.85 2.71 36
3 06/30/2020 10:38:59 68.89, 18.16 45.69 06/30/2020 10:40:09 68.76, 19.23 45.54 45.06 70
4 06/30/2020 11:29:31 -68.27,-173.71 134.95 06/30/2020 11:29:46 -68.27,-173.74 134.95 1.60 15
5 06/30/2020 12:20:15 68.14, -6.23 44.92 06/30/2020 12:19:13 68.15, -6.24 44.94 1.68 62
6 07/03/2020 02:55:46 68.35, 134.63 45.34 07/03/2020 02:56:45 68.36, 134.62 45.34 1.27 59
7 07/03/2020 03:46:27 -68.22, -57.87 134.80 07/03/2020 03:46:16 -68.21, -57.94 134.81 2.77 11
8 07/03/2020 04:37:01 67.55, 110.27 44.52 07/03/2020 04:35:51 67.64, 109.05 44.64 52.63 70
9 07/05/2020 19:12:42 68.31,-109.54 45.54 07/05/2020 19:13:15 68.29,-109.59 45.52 2.29 33
10 07/05/2020 20:03:24 -68.22, 57.89 134.55 07/05/2020 20:02:45 -68.20, 57.93 134.57 2.82 39
11 07/08/2020 10:39:00 -68.76,-161.67 133.71 07/08/2020 10:40:11 -68.68,-160.88 133.81 33.20 71
12 07/08/2020 11:29:37 68.26, 6.29 45.79 07/08/2020 11:29:43 68.28, 6.28 45.80 2.11 6
13 07/08/2020 12:20:18 -68.12, 173.79 134.36 07/08/2020 12:19:14 -68.13, 173.73 134.34 2.65 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/25/2020
SNOs_Map_NPP_TERRA_20200625.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/25/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service