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: 1/20/2020
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 10:38:53 69.24, 17.73 88.96 01/22/2020 10:40:01 69.11, 19.57 88.77 74.29 68
2 01/22/2020 11:29:20 -68.34,-173.75 91.99 01/22/2020 11:29:43 -68.33,-173.77 92.00 1.55 23
3 01/22/2020 12:20:04 68.23, -6.30 87.89 01/22/2020 12:19:10 68.23, -6.25 87.89 2.04 54
4 01/25/2020 02:55:33 68.55, 134.44 87.61 01/25/2020 02:56:45 68.50, 134.67 87.55 10.48 72
5 01/25/2020 03:46:12 -68.29, -57.91 92.66 01/25/2020 03:46:17 -68.28, -57.96 92.67 2.43 5
6 01/25/2020 04:36:56 68.18, 109.54 87.22 01/25/2020 04:35:44 68.18, 109.55 87.22 0.54 72
7 01/27/2020 19:12:22 68.39,-109.58 86.79 01/27/2020 19:13:19 68.39,-109.60 86.78 0.96 57
8 01/27/2020 20:03:04 -68.30, 57.86 93.33 01/27/2020 20:02:49 -68.29, 57.91 93.33 2.03 15
9 01/27/2020 20:53:36 67.54,-133.88 85.89 01/27/2020 20:52:26 67.62,-135.23 86.01 57.70 70
10 01/30/2020 11:29:14 68.35, 6.26 86.03 01/30/2020 11:29:53 68.34, 6.20 86.02 2.46 39
11 01/30/2020 12:19:56 -68.25, 173.70 94.08 01/30/2020 12:19:23 -68.25, 173.72 94.09 0.76 33
12 02/02/2020 02:55:38 -69.27, -46.51 93.75 02/02/2020 02:56:46 -69.19, -44.53 93.90 78.60 68
13 02/02/2020 03:46:07 68.36, 122.02 85.30 02/02/2020 03:46:26 68.35, 122.07 85.28 2.03 19
14 02/02/2020 04:36:48 -68.21, -70.46 94.88 02/02/2020 04:35:57 -68.20, -70.48 94.88 0.82 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/20/2020
SNOs_Map_NPP_TERRA_20200120.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/20/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service