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: 3/22/2020
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 03/23/2020 19:12:45 -68.37, 70.33 113.16 03/23/2020 19:13:46 -68.35, 70.29 113.19 2.51 61
2 03/23/2020 20:03:29 68.23,-122.19 66.69 03/23/2020 20:03:13 68.23,-122.20 66.69 0.53 16
3 03/23/2020 20:54:02 -67.67, 45.83 113.90 03/23/2020 20:52:51 -67.68, 44.79 113.86 43.78 71
4 03/26/2020 11:29:39 -68.33,-173.85 114.25 03/26/2020 11:30:13 -68.34,-173.83 114.25 1.61 34
5 03/26/2020 12:20:23 68.20, -6.38 65.60 03/26/2020 12:19:40 68.22, -6.33 65.62 3.12 43
6 03/29/2020 02:55:57 68.65, 134.18 65.04 03/29/2020 02:57:09 68.54, 134.67 64.92 23.18 72
7 03/29/2020 03:46:34 -68.30, -58.04 115.34 03/29/2020 03:46:42 -68.27, -58.02 115.36 2.48 8
8 03/29/2020 04:37:18 68.17, 109.43 64.52 03/29/2020 04:36:09 68.15, 109.48 64.51 2.87 69
9 03/31/2020 19:12:47 68.35,-109.66 63.69 03/31/2020 19:13:40 68.35,-109.67 63.69 0.59 53
10 03/31/2020 20:03:28 -68.21, 57.84 116.47 03/31/2020 20:03:11 -68.21, 57.79 116.47 2.16 17
11 03/31/2020 20:53:58 67.33,-133.77 62.63 03/31/2020 20:52:50 67.40,-135.49 62.73 73.96 68
12 04/03/2020 11:29:42 68.32, 6.14 62.64 04/03/2020 11:30:08 68.34, 6.20 62.64 2.69 26
13 04/03/2020 12:20:23 -68.18, 173.65 117.53 04/03/2020 12:19:39 -68.19, 173.66 117.52 1.18 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/22/2020
SNOs_Map_NPP_TERRA_20200322.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/22/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service