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: 4/12/2020
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 04/14/2020 02:55:53 68.38, 134.53 58.73 04/14/2020 02:57:01 68.38, 134.52 58.72 0.34 68
2 04/14/2020 03:46:34 -68.24, -57.98 121.43 04/14/2020 03:46:31 -68.27, -57.98 121.40 2.73 3
3 04/14/2020 04:37:14 67.90, 109.76 58.22 04/14/2020 04:36:02 67.93, 109.27 58.26 20.93 72
4 04/16/2020 19:12:47 68.31,-109.61 57.71 04/16/2020 19:13:29 68.31,-109.66 57.71 2.12 42
5 04/16/2020 20:03:29 -68.23, 57.81 122.40 04/16/2020 20:02:59 -68.21, 57.84 122.42 2.37 30
6 04/19/2020 10:39:10 -69.06,-162.15 122.45 04/19/2020 10:40:19 -68.97,-160.61 122.56 62.44 69
7 04/19/2020 11:29:42 68.30, 6.17 56.76 04/19/2020 11:29:56 68.30, 6.21 56.76 1.59 14
8 04/19/2020 12:20:23 -68.16, 173.67 123.40 04/19/2020 12:19:27 -68.14, 173.65 123.42 2.55 56
9 04/22/2020 02:55:52 -68.36, -45.44 124.08 04/22/2020 02:56:56 -68.39, -45.43 124.05 3.61 64
10 04/22/2020 03:46:36 68.24, 122.02 55.79 04/22/2020 03:46:24 68.21, 122.00 55.76 3.16 12
11 04/22/2020 04:37:11 -67.77, -70.08 124.70 04/22/2020 04:35:59 -67.83, -70.81 124.63 31.73 72
12 04/24/2020 19:12:45 -68.30, 70.41 125.03 04/24/2020 19:13:23 -68.30, 70.35 125.03 2.54 38
13 04/24/2020 20:03:29 68.18,-122.14 54.85 04/24/2020 20:02:50 68.18,-122.15 54.84 1.08 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/12/2020
SNOs_Map_NPP_TERRA_20200412.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/12/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service