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: 3/12/2020
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 03/13/2020 02:56:00 68.97, 133.76 71.70 03/13/2020 02:57:10 68.87, 135.04 71.56 52.19 70
2 03/13/2020 03:46:31 -68.30, -58.04 109.00 03/13/2020 03:46:48 -68.32, -58.01 108.99 2.30 17
3 03/13/2020 04:37:15 68.17, 109.45 70.85 03/13/2020 04:36:16 68.15, 109.43 70.83 2.12 59
4 03/15/2020 19:12:45 68.39,-109.70 70.04 03/15/2020 19:13:47 68.36,-109.70 70.01 2.78 62
5 03/15/2020 20:03:26 -68.26, 57.79 110.11 03/15/2020 20:03:17 -68.27, 57.82 110.11 1.32 9
6 03/15/2020 20:54:02 67.69,-134.20 69.30 03/15/2020 20:52:51 67.75,-135.14 69.39 40.31 71
7 03/18/2020 11:29:40 68.35, 6.12 68.94 03/18/2020 11:30:15 68.35, 6.18 68.94 2.38 35
8 03/18/2020 12:20:21 -68.22, 173.61 111.22 03/18/2020 12:19:46 -68.20, 173.63 111.23 1.69 35
9 03/21/2020 02:56:00 -68.92, -46.18 111.52 03/21/2020 02:57:10 -68.80, -45.03 111.68 47.90 70
10 03/21/2020 03:46:34 68.26, 122.01 67.78 03/21/2020 03:46:44 68.28, 121.98 67.80 2.60 10
11 03/21/2020 04:37:15 -68.12, -70.50 112.38 03/21/2020 04:36:15 -68.14, -70.56 112.36 2.81 60
12 03/23/2020 19:12:44 -68.35, 70.35 113.18 03/23/2020 19:13:45 -68.34, 70.29 113.20 3.15 61
13 03/23/2020 20:03:28 68.23,-122.18 66.69 03/23/2020 20:03:12 68.20,-122.23 66.66 3.20 16
14 03/23/2020 20:54:01 -67.66, 45.85 113.91 03/23/2020 20:52:50 -67.67, 44.78 113.88 44.92 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/12/2020
SNOs_Map_NPP_TERRA_20200312.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/12/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service