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: 2/6/2020
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 02/07/2020 11:29:27 -68.38,-173.85 96.27 02/07/2020 11:30:04 -68.35,-173.84 96.31 3.38 37
2 02/07/2020 12:20:11 68.26, -6.38 83.60 02/07/2020 12:19:31 68.25, -6.33 83.59 2.41 40
3 02/10/2020 02:55:50 68.94, 133.86 83.48 02/10/2020 02:57:00 68.83, 134.97 83.32 45.91 70
4 02/10/2020 03:46:22 -68.31, -57.99 97.19 02/10/2020 03:46:37 -68.34, -58.00 97.17 2.57 15
5 02/10/2020 04:37:06 68.19, 109.48 82.68 02/10/2020 04:36:05 68.17, 109.44 82.66 2.67 61
6 02/12/2020 19:12:37 68.44,-109.71 82.08 02/12/2020 19:13:40 68.41,-109.68 82.04 3.25 63
7 02/12/2020 20:03:18 -68.30, 57.79 98.08 02/12/2020 20:03:10 -68.32, 57.83 98.07 2.55 8
8 02/12/2020 20:53:55 67.80,-134.27 81.39 02/12/2020 20:52:43 67.86,-135.05 81.49 33.67 72
9 02/15/2020 11:29:32 68.37, 6.14 81.11 02/15/2020 11:30:13 68.38, 6.15 81.11 1.20 41
10 02/15/2020 12:20:13 -68.23, 173.65 99.06 02/15/2020 12:19:44 -68.24, 173.60 99.05 1.94 29
11 02/18/2020 02:55:58 -69.28, -46.63 98.87 02/18/2020 02:57:06 -69.14, -44.69 99.08 78.12 68
12 02/18/2020 03:46:27 68.36, 121.92 80.17 02/18/2020 03:46:45 68.35, 121.98 80.15 2.43 18
13 02/18/2020 04:37:08 -68.22, -70.57 100.00 02/18/2020 04:36:16 -68.21, -70.57 100.01 0.93 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/6/2020
SNOs_Map_NPP_TERRA_20200206.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/06/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service