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: 1/21/2020
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 01/22/2020 10:38:52 69.21, 17.76 88.93 01/22/2020 10:40:00 69.13, 19.60 88.79 73.11 68
2 01/22/2020 11:29:20 -68.37,-173.79 91.96 01/22/2020 11:29:42 -68.35,-173.74 91.98 2.90 22
3 01/22/2020 12:20:03 68.20, -6.26 87.86 01/22/2020 12:19:10 68.19, -6.29 87.86 1.25 53
4 01/25/2020 02:55:33 68.57, 134.41 87.64 01/25/2020 02:56:44 68.51, 134.68 87.56 13.09 71
5 01/25/2020 03:46:12 -68.32, -57.95 92.63 01/25/2020 03:46:16 -68.30, -57.95 92.66 2.85 4
6 01/25/2020 04:36:56 68.21, 109.51 87.24 01/25/2020 04:35:43 68.19, 109.57 87.23 3.18 73
7 01/27/2020 19:12:23 68.42,-109.61 86.82 01/27/2020 19:13:19 68.39,-109.60 86.78 3.21 56
8 01/27/2020 20:03:04 -68.27, 57.89 93.35 01/27/2020 20:02:49 -68.29, 57.91 93.34 1.98 15
9 01/27/2020 20:53:36 67.51,-133.85 85.86 01/27/2020 20:52:27 67.56,-135.29 85.96 61.45 69
10 01/30/2020 11:29:15 68.38, 6.22 86.06 01/30/2020 11:29:52 68.38, 6.24 86.06 0.84 37
11 01/30/2020 12:19:56 -68.23, 173.73 94.11 01/30/2020 12:19:23 -68.22, 173.69 94.11 1.72 33
12 02/02/2020 02:55:37 -69.24, -46.47 93.78 02/02/2020 02:56:45 -69.14, -44.58 93.94 75.51 68
13 02/02/2020 03:46:06 68.33, 122.06 85.27 02/02/2020 03:46:24 68.36, 122.09 85.29 3.19 18
14 02/02/2020 04:36:48 -68.23, -70.50 94.85 02/02/2020 04:35:55 -68.21, -70.46 94.87 3.15 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/21/2020
SNOs_Map_NPP_TERRA_20200121.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/21/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service