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: 4/25/2020
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 04/27/2020 10:39:06 68.80, 18.21 54.63 04/27/2020 10:40:17 68.65, 19.03 54.48 36.93 71
2 04/27/2020 11:29:40 -68.28,-173.80 125.90 04/27/2020 11:29:52 -68.26,-173.81 125.93 2.12 12
3 04/27/2020 12:20:24 68.16, -6.33 53.96 04/27/2020 12:19:19 68.15, -6.30 53.96 1.55 65
4 04/30/2020 02:55:53 68.36, 134.55 53.36 04/30/2020 02:56:49 68.36, 134.56 53.35 0.87 56
5 04/30/2020 03:46:34 -68.22, -57.95 126.80 04/30/2020 03:46:19 -68.25, -57.93 126.77 3.22 15
6 04/30/2020 04:37:06 67.45, 110.31 52.42 04/30/2020 04:35:57 67.52, 108.87 52.50 61.97 69
7 05/02/2020 19:12:46 68.31,-109.61 52.51 05/02/2020 19:13:16 68.28,-109.64 52.48 3.39 30
8 05/02/2020 20:03:27 -68.16, 57.90 127.66 05/02/2020 20:02:46 -68.18, 57.87 127.64 1.84 41
9 05/05/2020 10:39:01 -68.64,-161.57 127.93 05/05/2020 10:40:13 -68.54,-161.07 128.03 22.82 72
10 05/05/2020 11:29:40 68.26, 6.23 51.68 05/05/2020 11:29:43 68.26, 6.23 51.68 0.27 3
11 05/05/2020 12:20:22 -68.16, 173.67 128.43 05/05/2020 12:19:13 -68.15, 173.74 128.44 2.76 69
12 05/08/2020 02:55:51 -68.37, -45.45 128.94 05/08/2020 02:56:43 -68.35, -45.42 128.96 2.79 52
13 05/08/2020 03:46:34 68.21, 122.07 50.90 05/08/2020 03:46:10 68.23, 122.08 50.91 2.23 24
14 05/08/2020 04:37:02 -67.36, -69.56 129.98 05/08/2020 04:35:53 -67.40, -71.24 129.92 71.66 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/25/2020
SNOs_Map_NPP_TERRA_20200425.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/25/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service